Anna Jacques Hospital v. Sylvia Mathews Burwell , 797 F.3d 1155 ( 2015 )


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  •  United States Court of Appeals
    FOR THE DISTRICT OF COLUMBIA CIRCUIT
    Argued February 6, 2015              Decided August 14, 2015
    No. 14-5125
    ANNA JACQUES HOSPITAL, ET AL.,
    APPELLANTS
    v.
    SYLVIA MATHEWS BURWELL,
    APPELLEE
    Appeal from the United States District Court
    for the District of Columbia
    (No. 1:13-cv-00053)
    Keith D. Barber argued the cause for appellants. With
    him on the briefs were N. Kent Smith and Amy L. Brown.
    Katherine T. Allen, Attorney, U.S. Department of Justice,
    argued the cause for appellee. On the brief were Ronald C.
    Machen, Jr., U.S. Attorney at the time the brief was filed, and
    Michael S. Raab, Attorney. Samantha L. Chaifetz, Attorney,
    and R. Craig Lawrence, Assistant U.S. Attorney, entered
    appearances.
    Before: KAVANAUGH, MILLETT and WILKINS, Circuit
    Judges.
    Opinion for the Court filed by Circuit Judge MILLETT.
    2
    MILLETT, Circuit Judge: The Medicare Act, 42 U.S.C.
    §§ 1395 et seq., established a nationwide, federally funded
    health insurance program for the elderly and individuals with
    disabilities.    Unsurprisingly, reimbursing hospitals for
    Medicare services provided to patients across the entire
    United States is a complicated business. One reason is that
    the cost of providing such care can vary significantly
    depending on where a hospital is located. An influential
    factor in that variation is the wages paid to hospital
    employees, which fluctuate based on the cost of living in
    different geographic areas. To help compensate for those
    disparities, the Medicare Act charges the Secretary of Health
    and Human Services with computing annually a “wage index”
    that compares hospital wages within defined geographic areas
    to a national average, and adjusts Medicare reimbursements
    accordingly.
    This case arises from the Secretary’s decision in 2005 to
    change the boundaries of the geographic areas used to
    compute those regional wage indices. The new lines fell in a
    way that left three multi-campus hospitals straddling different
    geographic areas. One is the Southcoast Hospital Group,
    which found itself with campuses in both the Boston-Quincy,
    Massachusetts region and in the neighboring Providence-New
    Bedford-Fall River (“Providence”) region. 1 Consistent with
    longstanding agency regulations, the Secretary factored all of
    Southcoast’s wages into the Boston-Quincy index because
    that is where its principal campus with the group’s Medicare
    provider and reporting number was situated. Concerned that
    the inclusion of wages from the Providence-area campuses
    lowered their wage index and thus their Medicare
    reimbursements, a group of hospitals challenged the
    1
    Providence is in Rhode Island; New Bedford and Fall River are in
    Massachusetts.
    3
    Secretary’s decision to include wage data from Southcoast
    campuses outside the Boston-Quincy area in calculating the
    index for that area for fiscal years 2006 and 2007.
    We uphold the Secretary’s decision. The Secretary’s
    treatment of Southcoast hewed to the existing administrative
    treatment of such multi-campus hospital groups. And
    reasonably so—there were substantial informational and
    operational obstacles to implementing a different
    computational method quickly in 2006 or retroactively now.
    Moreover, appellants admit that the temporary effect of
    Southcoast’s multi-campus data on the wage index was a
    “one-off” occurrence arising from “unusual circumstances”
    that apparently did not affect any other multi-campus hospital
    group’s treatment. Oral Arg. Tr. 52–53. Nothing in the
    Medicare Act or established principles of administrative
    review mandate that the Secretary individually tailor one
    hospital’s reporting treatment to fit plaintiffs’ preferred
    computational outcome.
    I
    Statutory and Regulatory Framework
    As has oft been noted, Medicare is a “complex and highly
    technical regulatory program.” Thomas Jefferson University
    v. Shalala, 
    512 U.S. 504
    , 512 (1994) (citation omitted). The
    Medicare program is administered by the Centers for
    Medicare and Medicaid Services (“Centers”), a division of the
    Department of Health and Human Services, under the
    executive management of the Secretary of Health and Human
    Services. St. Elizabeth’s Medical Center of Boston, Inc. v.
    Thompson, 
    396 F.3d 1228
    , 1230 (D.C. Cir. 2005). As part of
    the program, health care providers are reimbursed for certain
    costs that they incur in treating Medicare beneficiaries.
    4
    Methodist Hospital of Sacramento v. Shalala, 
    38 F.3d 1225
    ,
    1227 (D.C. Cir. 1994).
    Originally, health care providers were reimbursed for the
    “reasonable costs” of services furnished to Medicare patients.
    Methodist 
    Hospital, 38 F.3d at 1227
    . In 1983, Congress
    substantially revised that payment regime and created the
    Prospective Payment System.              See Social Security
    Amendments of 1983, Pub. L. No. 98-21, § 601, 97 Stat. 65,
    149; see also Methodist 
    Hospital, 38 F.3d at 1227
    . The
    Prospective Payment System reimburses hospitals for medical
    care requiring at least one night’s stay on the basis of a pre-
    established formula, regardless of the actual costs incurred by
    the hospital. 42 U.S.C. § 1395ww(d); see generally Anna
    Jaques Hospital v. Sebelius, 
    583 F.3d 1
    , 2 (D.C. Cir. 2009).
    The payment rates are tied to the national average cost of
    treating a patient’s particular ailment. See 42 U.S.C.
    § 1395ww(d). Congress intended for those rates to “reform
    the financial incentives hospitals face [and] promot[e]
    efficiency in the provision of services[.]” Methodist 
    Hospital, 38 F.3d at 1227
    (quoting H.R. Rep. No. 25, 98th Cong., 1st
    Sess. 132 (1983)).
    In calculating those standard payments, the Secretary is
    required to adjust the “proportion” of the payment attributable
    to “wages and wage-related costs” for “area differences in
    hospital wage levels[.]” 42 U.S.C. § 1395ww(d)(3)(E)(i). To
    ensure uniformity in the adjustment process, the statute
    requires the Secretary to compute a “factor” that “reflect[s]
    the relative hospital wage level in the geographic area of the
    hospital compared to the national average[.]” 
    Id. That “factor”
    is commonly referred to as “the wage index.”
    Southeast Alabama Medical Center v. Sebelius, 
    572 F.3d 912
    ,
    914–915 (D.C. Cir. 2009); see also Changes to the Hospital
    Inpatient Prospective Payment Systems and Fiscal Year 2006
    5
    Rates (“Final 2006 Rules”), 70 Fed. Reg. 47,278, 47,281
    (Aug. 12, 2005) (“The base payment rate is comprised of a
    standardized amount that is divided into a labor-related share
    and a nonlabor-related share. The labor-related share is
    adjusted by the wage index applicable to the area where the
    hospital is located[.]”).
    The wage index must be updated each year “on the basis
    of a survey” of the wage-related costs for hospitals in the
    United States.      42 U.S.C. § 1395ww(d)(3)(E)(i).       The
    Secretary collects annual cost reports from each hospital, see
    Anna 
    Jaques, 583 F.3d at 3
    ; 42 C.F.R. § 413.20(b), and she
    publishes a manual to guide hospitals through the reporting
    process, see Centers for Medicare & Medicaid Services,
    Medicare Provider Reimbursement Manual (“Reimbursement
    Manual”), Part 2, Chapter 1 §§ 100 et seq. 2 Generally, each
    hospital or facility that has been assigned its own Medicare
    provider number must file its own report. 
    Id. § 112
    (“Each
    provider in a chain organization or other group of providers,
    except as noted below, must file a separate, individual cost
    report.”). 3
    A different rule applies, however, for multi-campus
    hospitals. A multi-campus hospital is an organization with
    multiple facilities that operates as a single institution with
    2
    Available    at      http://www.cms.gov/Regulations-and-
    Guidance/Guidance/Manuals/Paper-Based-Manuals-
    Items/CMS021935.html (last visited Aug. 11, 2015).
    3
    Each entity that has been certified to participate in the Medicare
    program is assigned a unique numerical identifier for use in the full
    range of Medicare filings and transactions. See generally HIPAA
    Administrative Simplification: Standard Unique Health Identifier
    for Health Care Providers, 69 Fed. Reg. 3434 (Jan. 23, 2004).
    6
    integrated finances, administration, and organization. See
    Centers for Medicare & Medicaid Services, Medicare State
    Operations Manual (“Operations Manual”), Chapter 2
    §§ 2024, 2779F; 42 C.F.R. §§ 413.65(d)-(e). 4 A multi-
    campus hospital may submit only one cost report each year
    under its “principal provider” number. See Reimbursement
    Manual, Part 2, Chapter 1 § 112 (“Institutions which have
    multiple facilities but only one provider number * * * are
    required to submit one cost report under that principal
    provider number[.]”).
    Multi-campus hospitals often form as the result of a
    hospital merger or joint venture. After such a change, the
    relevant state agency and the Centers regional office ascertain
    whether the hospitals have the extensive legal, financial,
    organizational, and administrative integration that is required
    to be certified to operate as a single institution. See 42 C.F.R.
    § 413.65(d)–(e) (listing criteria to qualify as a single
    institution); Operations Manual, Chapter 2 § 2024 (“When
    two or more hospitals merge,” the agency must decide
    “whether to continue to certify the hospitals separately or
    certify them as a single hospital (i.e., hospital with a main
    campus and an additional location).”). If any of the
    integration criteria is not met, the campuses are treated as
    “[f]ree-standing facilit[ies],” see 42 C.F.R. § 413.65(a)(2),
    and each must operate under its own Medicare provider
    number and submit, inter alia, its own cost reports, see
    Reimbursement Manual, Part 2, Chapter 1 § 112.
    If certified as a single institution, the hospital must
    designate a “main campus,” and that campus’s Medicare
    provider number is adopted by the hospital for common use
    4
    Available      at  http://www.cms.gov/Regulations-and-
    Guidance/Guidance/Manuals/Downloads/som107c02.pdf        (last
    visited Aug. 11, 2015).
    7
    by all of its facilities. See generally Operations Manual,
    Chapter 2 § 2779F. The provider numbers that correspond to
    the other campuses, if any, are retired. See 
    id. § 2779F.
    Multi-campus hospitals also operate under a single provider
    agreement with Medicare, 
    id., through which
    they may bill for
    services provided to Medicare beneficiaries as long as they
    comply with all program requirements, 42 C.F.R. § 489.3.
    Multi-campus hospitals’ subordinate campuses have
    “provider-based” status that entitles them to operate under the
    multi-campus hospital’s number and agreement.                
    Id. § 413.65(a)(2).
    After collecting cost reports from each hospital or
    hospital group, the Secretary removes data that fails to meet
    set criteria for reasonableness, including data that is
    “incomplete[,] inaccurate * * *, or otherwise aberrant[.]”
    Anna 
    Jaques, 583 F.3d at 3
    (quoting Changes to the Hospital
    Inpatient Prospective Payment Systems and Fiscal Year 2005
    Rates (“Final 2005 Rules”), 69 Fed. Reg. 48,916, 49,049–
    49,050 (Aug. 11, 2004)). Because of the extensive amount of
    time required to verify, scrub, and process the data, the
    Secretary calculates each year’s wage index using data from
    cost reports collected three years earlier. See Final 2005
    Rules, 69 Fed. Reg. at 49,049.
    In calculating a proposed wage index, the Secretary first
    determines the regional average hourly wage rate for hospitals
    in the defined geographic area, then calculates the national
    average hourly wage rate, and finally divides the former by
    the latter. See Final 2006 Rules, 70 Fed. Reg. at 47,373–
    47,374. The closer the wage index for an area is to 1.0, the
    closer that area’s wage costs are to the national average.
    The Secretary publishes the proposed wage indices and
    solicits comments from the public. 42 C.F.R. § 412.8. The
    8
    Secretary then promulgates the final wage indices as part of
    the Inpatient Prospective Payment System rules and policies
    for that year. 42 U.S.C. § 1395ww(d)(6). The index for each
    geographic area will be used for one year to adjust the wage
    portion of the prospective reimbursement payment for
    treatment provided in that area. See Southeast Alabama
    Medical 
    Center, 572 F.3d at 915
    .
    Of course, before any relevant wage data can be collected
    or indices calculated, the Secretary must assign Medicare
    hospitals to appropriate geographic regions. For the first two
    decades of the Prospective Payment System, the Secretary
    utilized the Office of Management and Budget’s Metropolitan
    Statistical Areas to delineate the geographic areas for each
    wage index.       See Prospective Payments for Medicare
    Inpatient Hospital Services, 48 Fed. Reg. 39,752, 39,766
    (Sept. 1, 1983).
    In December 2000, the Office of Management and
    Budget announced that it would adopt a new standard for
    demarcating metropolitan areas, known as Core-Based
    Statistical Areas. See Final 2005 Rules, 69 Fed. Reg. at
    49,027 (citing Standards for Defining Metropolitan and
    Micropolitan Statistical Areas, 65 Fed. Reg. 82,228, 82,238
    (Dec. 27, 2000)). After years of study, the Secretary
    determined that, beginning in fiscal year 2005, she would use
    those new Core-Based Statistical Areas to calculate the wage
    indices. Final 2005 Rules, 69 Fed. Reg. at 49,027. The
    Secretary recognized that this change would have
    considerable impact on hospitals. 
    Id. at 49,026–49,034.
    To
    mitigate those effects, the Secretary implemented various
    transitional provisions that, among other things, allowed
    affected hospitals to be temporarily reimbursed on the basis of
    other areas’ wage indices. See 
    id. 9 The
    Secretary later learned that, in three instances, the
    new geographic lines ran through multi-campus hospital
    groups, leaving them straddling the borders of more than one
    Core-Based Statistical Area. Final 2006 Rules, 70 Fed. Reg.
    at 47,444; Changes to the Hospital Inpatient Prospective
    Payment Systems and Fiscal Year 2008 Rates (“Final 2008
    Rules”), 72 Fed. Reg. 47,130, 47,318 (Aug. 22, 2007) (noting
    that only three hospitals were affected).
    That posed a unique problem for the Secretary: Although
    Medicare deemed those multi-campus hospitals to be “merged
    facilities operat[ing] as a single institution,” and thus applied
    their combined wage data to the wage index for the main
    provider’s geographic area, reimbursement for Medicare
    services would be based on the wage index of the area in
    which the patient was discharged. See Final 2006 Rules, 70
    Fed. Reg. at 47,444; 42 C.F.R. § 412.64(b)(5). That meant
    that services provided at certain campuses might be
    reimbursed at a lower rate than services provided at others
    within the same institution.
    Normally, the Secretary can rectify such unfairness in the
    reimbursement process through reclassification, a process by
    which hospitals and hospital facilities can be certified to
    receive payments based on the wage index of a different
    geographic area when their cost reports reflect comparable
    wage costs and proximity to that area. See 42 C.F.R.
    § 412.230. Such reclassification was not an option for the
    campuses of multi-campus hospitals, however, because they
    submitted “a single cost report * * * [which did] not
    differentiate between merged facilities in a single wage index
    area or in multiple wage index areas.” Final 2006 Rules, 70
    Fed. Reg. at 47,444; see also Final 2008 Rules, 72 Fed. Reg.
    at 47,317 (“[T]he Medicare cost report, in its current form,
    does not enable [] multicampus hospital[s] to separately report
    10
    [their] costs by location” because they are “integrated
    institution[s] with one accounting structure.”).
    In response, the Secretary proposed that individual
    campuses manually report campus-specific wage data through
    a supplemental form. Final 2006 Rules, 70 Fed. Reg. at
    47,444. That would allow the Secretary to determine whether
    that specific campus’s wage costs better approximated those
    of its physical situs or of the main provider’s reporting area.
    
    Id. Although the
    Secretary was focused on the patient-
    reimbursement-rate problem, one commenter suggested that,
    if the Secretary obtained this supplemental campus-based
    data, she should also use it to calculate the average hourly
    wage of the geographic area in which a campus was located,
    rather than the geographic area of the main campus. Final
    2006 Rules, 70 Fed. Reg. at 47,445 (Secretary should “modify
    [her] policy and include only salaries and hours of the
    workforce attributable to the campus or campuses in the area
    in order to calculate an area wage index.”). Put simply, the
    commenter suggested that a wage index should be based on
    data solely from campuses within the geographic area, and not
    from campuses situated in another Core-Based Statistical
    Area.
    After studying the issue and the public comments,
    however, the Secretary rejected the collection of such
    supplemental campus-based data at that time as infeasible.
    Final 2006 Rules, 70 Fed. Reg. at 47,445–47,446. Based on
    her analysis, she concluded that any benefit that would arise
    from requiring supplemental data—whether for calculating
    the wage index or for Medicare-reimbursement
    reclassification applications—had not yet been shown to
    justify the substantial administrative burden it would impose
    11
    on hospitals, fiscal intermediaries, and the Secretary. 
    Id. As the
    Secretary explained, calculating the wage index based on
    the geography of individual campuses rather than that of main
    providers “presents certain logistical challenges that [she]
    would like to consider in the context of possible permanent
    cost report changes to accommodate the electronic reporting
    of separate wage data by individual campus,” and she
    anticipated “having a full discussion of these issues as part of
    a future rulemaking.” Final 2006 Rules, 70 Fed. Reg. at
    47,446.
    Many of the Secretary’s concerns overlapped with the
    problems of requiring supplemental data generally. Multi-
    campus hospitals might not have readily available campus-
    specific information because of their complete financial and
    operational integration, as well as the fact that employees
    commonly worked at multiple campuses. See Final 2008
    Rules, 72 Fed. Reg. at 47,318–47,319.            Furthermore,
    whatever information could be collected would have to be
    audited, a process that normally takes three years—far too
    long to permit timely remediation of the problem for 2006 and
    2007.
    And even if reliable calculations could be timely made
    and timely audited, the Secretary determined that
    supplemental campus-based data would be of limited value.
    Because those groups that qualify as multi-campus hospitals,
    by definition, have integrated finances, the average hourly
    wage for each campus would be expected to approximate or
    be nearly identical to the average wage of the entire
    institution. Final 2006 Rules, 70 Fed. Reg. at 47,445.
    The Secretary, in short, “reasonably believe[d] that the
    added precision” that might come from collecting the data on
    a campus-specific basis “would not justify the added
    12
    complication.” ParkView Medical Associates, LP v. Shalala,
    
    158 F.3d 146
    , 149 (D.C. Cir. 1998); accord Atrium Medical
    Center v. Department of Health and Human Services, 
    766 F.3d 560
    , 570 (6th Cir. 2014) (“[T]he Medicare Act allows
    the Secretary to sacrifice complete accuracy for
    ‘administrative simplicity.’”) (citation omitted); Adventist
    GlenOaks Hospital v. Sebelius, 
    663 F.3d 939
    , 945 (7th Cir.
    2011); see also Final 2006 Rules, 70 Fed. Reg. at 47,446;
    Changes to the Hospital Inpatient Prospective Payment
    Systems and Fiscal Year 2007 Rates (“Final 2007 Rules”), 71
    Fed. Reg. 47,870, 48,067 (Aug. 18, 2006).
    The Secretary, however, encouraged additional input on
    how the issue should be handled going forward. Final 2006
    Rules, 70 Fed. Reg. at 47,446. In August 2007, that
    continued study bore fruit, and the Secretary partially revised
    her view. Specifically, she concluded that “allocation of a
    multicampus hospital’s wages and hours across different labor
    markets” could increase the precision of the wage index.
    Final 2008 Rules, 72 Fed. Reg. 47,130, 47,317. She
    accordingly proposed to change course in calculating the
    wage indices starting in fiscal year 2008. 
    Id. The Secretary,
    however, still considered the collection of
    campus-specific wage data from multi-campus hospitals to be
    logistically impracticable, so she sought an alternative means
    of reliably attributing wage costs to individual campuses.
    Final 2008 Rules, 72 Fed. Reg. at 47,317–47,318. The
    Secretary considered three potential proxies for wage data: (i)
    the number of beds in each campus, (ii) the number of
    discharged patients in each campus, or (iii) the number of
    full-time staff in each campus. 
    Id. Each approach
    had problems. Neither the number of
    beds nor the number of discharges bore any logical
    13
    correlation to wage costs. Final 2008 Rules, 72 Fed. Reg. at
    47,317–47,318. And commenters explained that providing
    information about the full-time employees at each campus
    would be extremely burdensome because of the fully
    integrated structure of multi-campus hospitals. 
    Id. In particular,
    one multi-campus hospital noted that “over half of
    the organization’s employees have responsibilities at two and
    three of its campuses[,] * * * some types of employees * * *
    spend time at all three campuses[,] and nurses move from
    facility to facility depending on need.” 
    Id. The least
    problematic approach, the Secretary
    determined, would be to use the number of full-time
    employees to allocate the hospital’s wage-cost data to
    individual campuses. Final 2008 Rules, 72 Fed. Reg. at
    47,319. If that information were not available due to
    difficulties in accurately assigning employees to campuses,
    Medicare discharge data would be used. 
    Id. Once she
    had
    allocated cost report data by campus, the Secretary would use
    that data to calculate the average hourly wage for the
    geographic area in which the campus was located. 
    Id. at 47,317–47,319.
    Factual and Procedural Background
    In 1996, three hospitals in southeastern Massachusetts—
    Tobey Hospital, St. Luke’s Hospital, and Charlton Memorial
    Hospital—merged to form Southcoast Hospital Group.
    Southcoast chose Tobey Hospital as its main campus for
    Medicare purposes, and Southcoast operates as a unified
    hospital under a single Medicare provider agreement and
    provider number. From 1996 until 2005, all of Southcoast’s
    campuses were in the Boston-Quincy geographic area.
    However, when the Secretary switched to Core-Based
    Statistical Areas in fiscal year 2005, Tobey Hospital remained
    14
    in the Boston-Quincy area, but St. Luke’s and Charlton
    Memorial fell within the Providence area. Because Tobey
    Hospital is Southcoast’s main campus and holds the Medicare
    provider number under which Southcoast operates,
    Southcoast continued to provide its multi-campus wage data
    in a single report, which the Secretary then applied to the
    wage index calculation for the Boston-Quincy area. When, in
    2008, the Secretary switched to using Southcoast’s Medicare
    discharge data to allocate the previously submitted and
    audited wage costs to individual campuses, the Boston-
    Quincy wage index increased by .0147. See Final 2008 Rule,
    72 Fed. Reg. at 47318.
    Forty-one other Medicare provider hospitals from
    Massachusetts, Rhode Island, and Vermont (“Providers”),
    which are located in or were reclassified into the Boston-
    Quincy area, filed a complaint with the Centers’ Provider
    Reimbursement Review Board challenging the Secretary’s
    inclusion of Southcoast’s wage data in the wage index for
    fiscal years 2006 and 2007. The Board concluded that it did
    not have the authority to decide the validity of the Secretary’s
    rules, and permitted the Providers to proceed directly to
    judicial review. 42 U.S.C. § 1395oo(f)(1); 42 C.F.R.
    § 405.1842(f)(1)(ii).
    The Providers then filed suit in the United States District
    Court for the District of Columbia.            See 42 U.S.C.
    § 1395oo(f). They argued that the Secretary’s inclusion of
    Southcoast’s unified wage data in calculating the Boston-
    Quincy wage index for fiscal years 2006 and 2007 violated
    the statutory requirement that the wage index “reflect[] the
    relative hospital wage level in the geographic area of the
    hospital compared to the national average hospital wage
    level,” 42 U.S.C. § 1395ww(d)(3)(E)(i), and was arbitrary and
    capricious.
    15
    The district court granted summary judgment for the
    Secretary. Anna Jaques Hospital v. Sebelius, 
    33 F. Supp. 3d 47
    (D.D.C. 2014). The court held that the statutory text, 42
    U.S.C. § 1395ww(d)(3)(E)(i), “expressly leaves the wage
    index calculation to the agency,” and that index “is not
    required to reflect the exact wage differences among
    geographic areas; it is only required to approximate those
    
    differences.” 33 F. Supp. 3d at 54
    . The court further held
    that the Secretary reasonably determined that Southcoast was
    a single hospital, and reasonably continued to treat Southcoast
    as a single hospital in the Boston-Quincy area, where its main
    Medicare provider was located. 
    Id. at 55–57.
    5
    II
    Analysis
    We review the district court’s grant of summary
    judgment de novo, applying the familiar standards of the
    Administrative Procedure Act, which require us to set aside
    an agency’s decision only if it is arbitrary, capricious, an
    abuse of discretion, or otherwise not in accordance with law.
    5 U.S.C. § 706(2); see also St. Luke’s Hospital v. Thompson,
    
    355 F.3d 690
    , 693–694 (D.C. Cir. 2004).
    We review the lawfulness of the Secretary’s transitional
    method of calculating the wage index under the Chevron two-
    5
    The district court’s decision refers to the lead plaintiff in this case
    as “Anna Jaques Hospital,” see Anna Jaques Hospital v. Sebelius,
    
    33 F. Supp. 3d 47
    (D.D.C. 2014), as did we in an earlier litigation,
    Anna Jaques Hospital v. Sebelius, 
    583 F.3d 1
    (D.C. Cir. 2009).
    However, the original complaint and all of the parties’ submissions
    to this court, including the notice of appeal, spell the name as
    “Anna Jacques Hospital.” We will follow the Appellants’ chosen
    spelling.
    16
    step framework, Chevron, U.S.A. Inc. v. Natural Resources
    Defense Council, Inc., 
    467 U.S. 837
    (1984). See also Anna
    
    Jaques, 583 F.3d at 5
    ; Southeast Alabama Medical 
    Center, 572 F.3d at 916
    . When “Congress has directly spoken to the
    precise question at issue[,] * * * that is the end of the
    matter[.]” 
    Chevron, 467 U.S. at 842
    –843. If the statute is
    “silent or ambiguous with respect to the specific issue,” we
    will uphold the Secretary’s interpretation if it is “based on a
    permissible construction of the statute.” 
    Id. at 843.
    Chevron Step One
    It bears noting, at the outset, that the Providers do not
    challenge the Secretary’s adoption of the Core-Based
    Statistical Areas. Nor do they dispute the propriety of the
    Secretary’s decade-long treatment of Southcoast as a unified
    hospital with its wages from all three campuses submitted in a
    single, consolidated cost report within the Boston-Quincy
    area. The question at Chevron step one, then, is whether the
    Medicare Act forbade the Secretary, when calculating the
    Boston-Quincy wage index for 2006 and 2007, from
    continuing for a two-year transitional period to rely upon
    Southcoast’s consolidated cost report, filed under the unified
    hospital’s single, Boston-Quincy-area Medicare provider
    number.
    We see nothing in the statutory text that mandated the
    selective deconsolidation of Southcoast’s wage data while
    other Medicare reporting and operations remained
    consolidated under the main provider and Medicare reporting
    number. Quite the opposite, the statutory text expressly
    affords the Secretary flexibility and discretion in compiling
    data and calculating the wage index.
    The text of the Medicare Act largely leaves the process of
    defining geographic boundaries and computing the wage
    17
    index to the Secretary’s reasoned judgment. The Act requires
    the Secretary to adjust the standard prospective payment rate
    by “a factor (established by the Secretary)” that “reflect[s]”
    the relative wage level “in the geographic area of the hospital
    compared to the national average hospital wage level.” 42
    U.S.C. § 1395ww(d)(3)(E)(i). The statute provides some
    general guidance as to how the Secretary must calculate the
    wage “factor,” by requiring that the wage index be updated at
    least annually “on the basis of a survey conducted by the
    Secretary (and updated as appropriate) of the wages and
    wage-related costs of [participating] hospitals in the United
    States.” 
    Id. In addition,
    any adjustment “shall be made in a
    manner that assures that the aggregate payments * * * are not
    greater or less than those that would have been made in the
    year without the adjustment.” 
    Id. That is
    it. On all other aspects of the wage-index
    calculation, the statute is silent. It says nothing about the
    treatment of unified hospitals with multiple campuses
    working under a single Medicare provider agreement and
    number. Nor does the statute say how the geographic lines
    should be drawn or how to transition changes in those
    boundaries. “[T]he statute leaves considerable ambiguity as
    to the term ‘geographic area,’ which, based only on the literal
    language of the provision, could be as large as a several-state
    region or as small as a city block.” Bellevue Hospital Center
    v. Leavitt, 
    443 F.3d 163
    , 175 (2d Cir. 2006). The statute
    “merely requires the Secretary to develop a mechanism to
    remove the effects of local wage differences”; it “does not
    specify how the Secretary should construct the index” and, in
    fact, “Congress through its silence delegated these decisions
    to the Secretary.” Methodist 
    Hospital, 38 F.3d at 1230
    . That
    is the antithesis of a Chevron step one statutory directive.
    18
    The Providers argue that the Secretary violated the text of
    the statute by creating a wage index for Boston-Quincy that
    “reflect[ed]” the wage level of hospitals from outside of the
    Boston-Quincy area. But that argument overlooks that, for
    purposes of the Medicare program, Southcoast is a single
    “hospital” with a single Medicare agreement and single
    Medicare provider number tied to Tobey Hospital, which sits
    squarely in the Boston-Quincy area.
    Notably, the Medicare statute defines “hospital” as an
    “institution” that provides a number of medical services. 42
    U.S.C. § 1395x(e). Other provisions of the statute, which
    refer to individual campuses of a hospital, make clear that a
    “hospital” can encompass institutions with multiple campuses
    and facilities. See, e.g., 42 U.S.C. § 1395nn(h)(7)(B)
    (referring to “the facilities on the main campus of the
    hospital”) (emphasis added); 42 U.S.C. § 1395nn(i)(3)(D)
    (“Any increase in the number of operating rooms * * * may
    only occur in facilities on the main campus of the applicable
    hospital.”) (emphasis added); see also Community Hospital of
    Chandler, Inc. v. Sullivan, 
    963 F.2d 1206
    , 1212 (9th Cir.
    1992). For statutory purposes, then, Southcoast with all of its
    campuses is one hospital situated in Wareham, Massachusetts
    (Tobey Hospital’s location), which is within the Boston-
    Quincy area.
    The Secretary’s use of Southcoast’s wages to calculate
    the Boston-Quincy wage index thus fully comported with the
    statutory requirement that the wage index reflect wage costs
    “in the geographic area of the hospital,” 42 U.S.C.
    § 1395ww(d)(3)(E)(i). Beyond that, the question of how to
    deal with the fact that new boundaries placed campuses in a
    different geographic area than their main campus is precisely
    the type of interstitial question of implementation that the
    statute leaves in the Secretary’s administrative hands. See
    19
    Methodist 
    Hospital, 38 F.3d at 1230
    (the statute “does not
    specify how the Secretary should construct the index * * *
    [so] Congress through its silence delegated these decisions to
    the Secretary”); 
    Bellevue, 443 F.3d at 175
    ; cf. Adirondack
    Medical Center v. Burwell, 
    782 F.3d 707
    , 710 (D.C. Cir.
    2015) (rejecting challenge to “the precise methodology used
    by the Secretary” in calculating budget neutrality adjustments
    to reimbursement rates, noting “the wide discretion afforded
    the Secretary to implement the Medicare reimbursement
    formula”); Zuni Pub. Sch. Dist. No. 89 v. Department of
    Educ., 
    550 U.S. 81
    , 90 (2007) (statutory “calculation method
    * * * is the kind of highly technical, specialized interstitial
    matter that Congress often does not decide itself, but
    delegates to specialized agencies to decide”).
    Requiring that the wage index “reflect[]” the wage rate in
    the relevant geographic area, 42 U.S.C. § 1395ww(d)(3)(E)(i),
    indicates that the Secretary is not required to calculate the
    wage index with scientific “exactitude,” Atrium Medical
    
    Center, 766 F.3d at 569
    . We, in fact, have held that the
    Secretary can make “reasonable approximations” based on the
    “most reliable data available” at the time of publication.
    Methodist 
    Hospital, 38 F.3d at 1230
    ; see also Atrium Medical
    
    Center, 766 F.3d at 569
    (“[T]he Secretary need only
    ‘estimate[]’ the proportion of labor costs and the resulting
    wage index need only ‘reflect’ the relative area wage
    levels.”).
    In sum, the Providers do not challenge the Secretary’s
    decision to treat Southcoast as a single hospital for other
    Medicare purposes; they just want a carve-out for wage
    calculation. Nothing in the statute compels that.
    20
    Chevron Step Two
    Even though the statute does not dictate the Providers’
    desired solution to Southcoast’s wage data for 2006 and 2007,
    the Providers nevertheless contend that the Secretary’s
    decision does not qualify for deference under Chevron step
    two at all because the decision to treat Southcoast as a single
    wage-reporting hospital is embodied in the Provider
    Reimbursement Manual, an informal guidance document.
    Providers’ Br. 15. We disagree because the wage index was
    promulgated through notice-and-comment proceedings, and
    the treatment of Southcoast as a unified hospital for Medicare
    reporting is the product of published regulations.
    Administrative interpretations of statutory provisions
    qualify for Chevron deference when “it appears that Congress
    delegated authority to the agency generally to make rules
    carrying the force of law, and that the agency interpretation
    claiming deference was promulgated in the exercise of that
    authority.” United States v. Mead Corp., 
    533 U.S. 218
    , 226–
    227 (2001). Congress has expressly delegated to the
    Secretary the authority and discretion to create the wage
    index, 42 U.S.C. § 1395ww(d)(3)(E)(i), and the Providers do
    not argue otherwise.
    In addition, the Secretary’s calculation of the wage
    indices for 2006 and 2007 went through notice–and-comment
    rulemaking, a procedure ensuring the kind of deliberation that
    typically triggers Chevron deference. See 
    Mead, 533 U.S. at 226
    . On top of that, Southcoast’s status as a single hospital
    for Medicare reporting purposes—the administrative basis for
    the Secretary’s decision to collect a single cost report—is also
    the product of numerous formal regulations. 42 C.F.R.
    § 413.65(d) (requiring integrated finances, administration, and
    operational control); 
    id. § 413.65(e)
    (requiring common
    21
    ownership, supervision, and physical proximity).           The
    Reimbursement Manual’s explanation that single-reporting
    status under Medicare does not evaporate for cost reports
    simply clarifies a status already accorded by formal
    regulations. Therefore, we afford the Secretary’s decision
    the same Chevron deference that we and other courts have
    repeatedly given her calculation of the wage index in the past.
    See, e.g., Atrium Medical 
    Center, 766 F.3d at 573
    (noting the
    “exceptional breadth of Congress’s delegation to the
    Secretary to establish and administer the wage index”); Anna
    
    Jaques, 583 F.3d at 5
    ; Southeast Alabama Medical 
    Center, 572 F.3d at 271
    ; Bellevue Hospital 
    Center, 443 F.3d at 175
    (Secretary has the discretion to interpret the term “geographic
    area”); Methodist 
    Hospital, 38 F.3d at 1230
    .
    Looking through the lens of Chevron deference, the
    question is whether the Secretary acted reasonably in using
    Southcoast’s unified wage data to calculate the hourly wage
    in the geographic area of its main campus and its
    administrative site for Medicare reporting purposes. See
    Illinois Public Telecommunications Ass’n v. FCC, 
    752 F.3d 1018
    , 1023 (D.C. Cir. 2014) (“[O]ne of the first principles of
    administrative law is that ‘if the statute is silent or ambiguous
    with respect to the specific issue,’ the only question for the
    court is whether the agency’s interpretation of that statute is
    reasonable.”) (citation omitted).             In making that
    determination, the Secretary effectively made two decisions:
    (1) for 2006 to 2007, she was not yet prepared to calculate the
    wage index on the basis of campus-specific data, and given
    that, (2) she would treat Southcoast as if it were located “in”
    the geographic area of its main provider. Both of those
    actions fell within the range of reasonableness afforded the
    Secretary in calculating the wage index.
    22
    (1) Campus-specific data
    In first addressing how to handle the three multi-campus
    hospitals that were split by the transition to Core-Based
    Statistical Areas, the Secretary decided that, for 2006 and
    2007, she would maintain the status quo of single-hospital
    reporting and not calculate the wage index based on campus-
    specific data. That judgment was reasonable.
    To begin with, the Secretary reasonably concluded that
    the regulatory requirements of operating as a single hospital
    and the realities of employee fluidity between campuses
    ensured that the wages of each campus of a multi-campus
    hospital would be sufficiently similar to “reflect” the wage
    rate in the main provider’s (and thus the entire institution’s)
    geographic area. Final 2006 Rules, 70 Fed. Reg. at 47,445
    (“[W]e believe there may not be a wide range of salaries for
    the same occupational categories within the same
    institution.”).
    That judgment was grounded in experience. Multi-
    campus hospitals have existed from “the beginning of the
    Medicare program” and have long been treated as single
    institutions with completely integrated organizational
    structure, finances, and administrative control. Medicare
    Program; Prospective Payment System for Hospital
    Outpatient Services, 63 Fed. Reg. 47,552, 47,587 (Sept. 8,
    1998) (“[F]rom the beginning of the Medicare program, some
    providers, which are referred to in this section as ‘main
    providers,’ have owned and operated other facilities * * * that
    were administered financially and clinically by the main
    provider[,]” and “[i]n order to accommodate the financial
    integration of the two facilities without creating an
    administrative burden, we have permitted the subordinate
    facility to be considered provider-based.”); see also Office of
    23
    Inspector General; Medicare Program; Prospective Payment
    System for Hospital Outpatient Services, 65 Fed. Reg. 18,434,
    18,504 (April 7, 2000); Final 2006 Rules, 70 Fed. Reg. at
    47,445–47,446; Final 2008 Rules, 72 Fed. Reg. at 47,318.
    Moreover, to qualify for single-hospital status, the
    hospital group must meet a litany of integration requirements,
    such as ensuring that:
    •   the facility operates under the same license as the
    main provider;
    •   clinical services are integrated, as evidenced by:
    o professional staff that have clinical privileges
    at the main provider;
    o monitoring and oversight of the facility by the
    main provider;
    o a reporting relationship between the medical
    director of the facility and the chief medical
    officer of the main provider;
    o integrated medical records in a unified
    retrieval system (or cross reference) of the
    main provider; and
    o integrated inpatient and outpatient services
    such that patients treated at the facility have
    full access to the services of the main
    provider;
    •   financial operations are fully integrated within the
    main provider’s system, as evidenced by shared
    income and expenses between the main provider and
    facility, with all costs reported in the cost center of
    the main provider; and
    •   the facility is held out to the public and other payers
    as part of the main provider, and patients, upon
    entering the facility, are aware that they are entering
    the main provider and are billed accordingly.
    24
    42 C.F.R. § 413.65(d)(1)–(4).
    For the facility that is not located on the campus of the
    main provider, as is the case with two of Southcoast’s three
    campuses, additional requirements must be met:
    •   The facility must operate under the ownership and
    control of the main provider, as evidenced by:
    o the main provider’s 100% ownership of the
    business enterprise that constitutes the facility;
    o a shared governing body with the main
    provider;
    o the same organizational documents as the
    main provider; and
    o the main provider’s exercise of final
    responsibility for administrative decisions,
    final approval for contracts with outside
    parties, final approval and responsibility for
    personnel actions and policies, and final
    approval for medical staff appointments in the
    facility.
    •   The main provider must directly supervise the
    facilities in the same manner that it would monitor an
    existing department, as evidenced by:
    o monitoring and oversight of the facility by the
    main provider, including a reporting and
    accountability relationship between the
    facility director and a manager at the main
    provider; and
    o integrated administrative functions, including
    billing services, records, human resources,
    payroll, employee benefit package, salary
    structure, and purchasing services.
    25
    •   The facility must be proximately located to the main
    provider. 6
    42 C.F.R. § 413.65(e)(1)-(3).
    The Secretary reasonably determined that the effect of
    that extensive operational, organizational, and financial
    integration is that multi-campus hospitals tend to have similar
    wages across campuses. In addition, such multi-campus
    institutions commonly have employees—such as doctors,
    nurses, technicians, and administrators—that routinely
    migrate between campuses. Indeed, they are required by
    regulation to have privileges at each campus. 42 C.F.R.
    § 413.65(d)(2)(i). Accordingly, the Secretary reasonably
    concluded “that the average hourly wages for an individual
    campus and the whole hospital are similar because the two (or
    more) campuses are operating as a single entity under one
    Medicare provider number, are under common ownership and
    control, and are clinically and financially integrated.” Final
    2006 Rule, 70 Fed. Reg. at 47,445.
    Furthermore, calculating the wage index on the basis of
    campus-specific data in 2006 and 2007, in the immediate
    wake of the geographical transition, would have imposed a
    substantial burden on the Secretary, fiscal intermediaries, and
    multi-campus hospitals. See Final 2006 Rules, 70 Fed. Reg.
    at 47,445. In fiscal years 2006 and 2007, the Secretary did
    not yet have separate wage data for individual campuses of
    multi-campus hospitals. See 
    id. at 47,444
    (“[B]ecause a
    6
    To qualify as proximately located, the facility must be in the
    same State or an adjacent State as the main provider, 42 C.F.R.
    § 413.65(e)(3)(vii), and must either be within 35 miles of the main
    provider, 42 C.F.R. § 413.65(e)(3)(i), or meet other specified
    location requirements designed to ensure that the campuses serve
    the same patient populations, 42 C.F.R. § 413.65(e)(3)(ii)–(vi).
    26
    multicampus hospital is required to report data for the entire
    entity on a single cost report, there is no wage survey data for
    the individual hospital campus[.]”). Multi-campus hospitals
    have only ever submitted one cost report to the Secretary.
    Understandably so. The hospitals are required, by the
    Secretary’s regulations, to integrate their finances, 42 C.F.R.
    § 413.65(d)(3), and therefore would not have separate cost
    data to report, Final 2006 Rules, 70 Fed. Reg. at 47,445–
    47,446.
    Nor was that information readily obtainable in 2006 and
    2007. The wage index is calculated based on cost reports
    from three years before the rule’s promulgation. Final 2005
    Rules, 69 Fed. Reg. at 49,049. To calculate the wage index
    for 2006 and 2007 on a campus-specific basis, the hospitals
    would have to have submitted three-year-old data, and the
    Secretary would have to have audited it in an extremely
    expedited manner before the wage index’s promulgation—
    within one month for 2006 and one year for 2007. That was
    impracticable given that “the submission of manual
    [supplemental] cost report data would require a lengthy and
    tedious manual audit process for fiscal intermediaries[.]”
    Final 2006 Rules, 70 Fed. Reg. at 47,445. In addition,
    because multi-campus hospitals’ staff members are required
    to have privileges across campuses, and indeed often work on
    multiple campuses, 42 C.F.R. § 413.65(d)(2)(i); Oral Arg. Tr.
    54, requiring hospitals to go back in time to assign an
    individual employee’s wage costs to a particular campus,
    rather than to the hospital as a whole, could have resulted in
    an artificial and unreliable measure of area wages. See Final
    2008 Rules, 72 Fed. Reg. at 47,318.
    Readjusting the data after the fact, as the Providers now
    seek, would have run into additional difficulties. The wage
    index must be a budget-neutral determination. See 42 U.S.C.
    27
    § 1395ww(d)(3)(E)(i) (any adjustment made “shall be made
    in a manner that assures that the aggregate payments * * * are
    not greater or less than those that would have been made in
    the year without such adjustment”). But any retroactive
    payments could not be offset now, almost a decade after the
    fact, against other payments made in other areas to other
    providers without profoundly unsettling the system and the
    reliance interests of countless hospitals nationwide, a problem
    that counsel for the Providers acknowledged at oral argument.
    Oral Arg. Tr. 15. In addition, the Secretary’s policy, upheld
    by this court, is that retroactive corrections to the wage index
    undermine the statutory purpose to base Medicare
    reimbursement rates on predetermined rates. Methodist
    
    Hospital, 38 F.3d at 1228
    –1229.
    In other words, fully aware of the campuses’
    comprehensive integration and the obstacles it posed to
    collecting campus-specific wage data, the Secretary
    reasonably concluded that the tremendous burden of
    completely revamping the wage index calculation (and its
    application) would far outweigh any marginal impact it might
    have. That careful balancing of considerations reflects a fair
    and reasonable exercise of the Secretary’s discretionary
    judgment in addressing this transitional issue.
    Furthermore, the Secretary’s decision simply maintained
    the wage-reporting status quo for a two-year transitional
    period while she continued to study the problem, sensibly
    concluding that “the interests in finality and administrative
    efficiency outweighed the value of increased accuracy.”
    Methodist 
    Hospital, 38 F.3d at 1235
    . We commonly “defer to
    the agency’s judgment about how best to achieve a smooth
    transition[.]” Sorenson Communications, Inc. v. FCC, 
    765 F.3d 37
    , 52 (D.C. Cir. 2014); see MCI Telecommunications
    Corp. v. FCC, 
    750 F.2d 135
    , 141 (D.C. Cir. 1984)
    28
    (“Substantial deference must be accorded an agency when it
    acts to maintain the status quo so that the objectives of a
    pending rulemaking proceeding will not be frustrated.”).
    “While [the Secretary’s] choice was not the only one
    permissible under the statute, the court has no occasion to
    second guess” the Secretary’s judgment in that respect.
    Methodist 
    Hospital, 38 F.3d at 1235
    .
    The Providers present four objections that, in their view,
    establish that the Secretary’s decision not to calculate the
    wage index on the basis of campus-specific data for the
    interim period of 2006–2007 was arbitrary and capricious.
    While they are thoughtfully presented, ultimately none
    succeeds.
    First, the Providers contend that the Secretary provided
    “no rational explanation” for including wage data from
    outside the Boston-Quincy geographic area in calculating that
    area’s wage index. Providers’ Br. 19. That simply recycles
    the already-rejected argument that the Secretary improperly
    gave effect to Southcoast’s recognized status as a unitary
    hospital for cost reporting, with an address in the Boston-
    Quincy area. While the Providers wish the Secretary had
    made a different choice, it was entirely rational to treat
    Southcoast as a single institution with respect to wage data,
    just as it is treated for numerous other Medicare purposes.
    See Final 2006 Rules, 70 Fed. Reg. at 47,446 (“[T]he use of
    the wage data for the entire multicampus hospital is consistent
    with [the Centers’] treatment of multicampus hospitals for
    calculating area wage index values, GME [Graduate Medical
    Education], DSH [Disproportionate Share Hospital], and
    provider-based purposes, under which multicampus hospitals
    operating under a single Medicare provider number are
    treated as a single hospital for payment purposes.”).
    29
    Beyond that, the Secretary offered three quite
    reasonable explanations for her transitional treatment of
    multi-campus hospitals that straddled two Core-Based
    Statistical Areas. She discussed (i) the lack of available data
    from providers at that time on which to allocate wage data by
    campus, (ii) the practical and administrative obstacles to
    obtaining that data in a timely manner, and (iii) the stark
    imbalance between the logistical hurdles of collecting and
    using campus-specific data and the marginal anticipated
    impact of that data on the wage index calculation. Given
    those considerations, the Secretary’s decision to treat
    Southcoast as in the same geographic area as its main
    provider’s address, as the Secretary does for other Medicare
    purposes, falls within the range of reasonable judgment. See
    Barnhart v. Thomas, 
    540 U.S. 20
    , 29 (2003); Adventist
    GlenOaks 
    Hospital, 663 F.3d at 945
    (in calculating the wage
    index, Secretary may adopt “a bright-line rule that is
    comparatively easy to administer”).
    Second, the Providers argue that the Secretary’s altered
    approach in 2008 shows that her decision in 2006 and 2007
    was unreasonable. Providers’ Br. 20. Not so. Courts have
    long recognized that “[a]n initial agency interpretation is not
    instantly carved in stone,” and that, to engage in informed
    rulemaking, the agency may “consider varying interpretations
    and the wisdom of its policy on a continuing basis.” 
    Chevron, 467 U.S. at 863
    –864; accord National Cable &
    Telecommunications Ass’n v. Brand X Internet Services, 
    545 U.S. 967
    , 983 (2005). There can, after all, be more than one
    reasonable solution to a problem. The agency just must offer
    a reasoned explanation for changing course. See FCC v. Fox
    Television Stations, Inc., 
    556 U.S. 502
    , 514 (2009); Anna
    
    Jaques, 583 F.3d at 6
    .
    30
    The Secretary provided that reasoned explanation here.
    Unlike in 2006 and 2007, when the consequences of the
    geographic reconfiguration first flared on the scene, by 2008,
    the Secretary had had three years to study the multi-campus
    hospital problem and to evaluate alternative ways of
    accurately and practicably collecting wage data. “Nothing
    prohibits federal agencies from moving in an incremental
    manner,” Fox 
    Television, 556 U.S. at 522
    , even when that
    includes revisiting prior judgments, Brand 
    X, 545 U.S. at 1002
    .
    Notably, even in 2008, the Secretary continued to have
    serious qualms about the campus-by-campus calculation
    methodologies suggested by commenters. The Secretary
    explained that the number of discharges was an “unstable data
    source to use in allocating a hospital’s wages,” and the
    number of beds “does not correlate well with how a hospital
    incurs its wage costs.” Final 2008 Rules, 72 Fed. Reg. at
    47,318.     Furthermore, many multi-campus hospitals—
    including Southcoast—did not have full-time employment
    data for specific campuses because their employees often
    work at multiple campuses, rotating through them—
    sometimes on a daily basis—depending on need. 
    Id. The Secretary,
    in short, only altered her approach in 2008
    because she became persuaded that “the benefit of having
    more accuracy in the wage index calculations should
    outweigh concerns over which alternative methods to use,”
    Final 2008 Rules, 72 Fed. Reg. at 47,318–47,319, and not
    because she found the alternative wage-calculation methods
    to be obviously superior or her prior view to be unreasonable.
    Nothing in that decision evidences that her declination to leap
    immediately to that same conclusion in 2006 was arbitrary
    and capricious. Instead, both approaches were reasonable
    under their different circumstances.
    31
    Third, the Providers contend that the Secretary acted
    unreasonably because, while she used Southcoast’s unified
    wage data to calculate the Boston-Quincy wage index, she
    paid Medicare reimbursements to Southcoast’s New Bedford
    and Fall River campuses on the basis of the Providence wage
    index. Providers’ Br. 19–20.
    That may appear odd at first blush, but nothing in the
    Medicare Act requires that hospitals be treated the same for
    reimbursement and wage-index measurement purposes. For
    example, the statute “allow[s] a hospital to seek
    reclassification from its geographically-based wage area to a
    nearby wage area for payment purposes if it meets certain
    criteria.” Robert Wood Johnson Univ. Hosp. v. Thompson,
    
    297 F.3d 273
    , 276 (3d Cir. 2002); see 42 U.S.C.
    § 1395ww(d)(10); 42 C.F.R. § 412.230(a)(1)(ii). 7 Moreover,
    Medicare reimbursements to such reclassified hospitals are
    governed by an entirely different statutory provision, 42
    U.S.C. § 1395ww(d)(8)(B)(i), than the creation of the wage
    index, 42 U.S.C. § 1395ww(d)(3)(E)(1). And the wage data
    of reclassified hospitals may or may not be included in their
    new area’s wage index calculations, depending on the
    circumstances.      See 42 U.S.C. § 1395ww(d)(8)(C)(i)(II)
    (requiring the Secretary to exclude reclassified hospitals’
    wage data from calculating the wage index under certain
    conditions); Final 2006 Rules, 70 Fed. Reg. at 47,378. In
    short, the statute does not categorically dictate that hospitals
    be reimbursed in accordance with a wage index that
    incorporates their own wage data, and, in some scenarios,
    even prescribes otherwise.
    7
    Some of petitioners themselves have been reclassified into the
    Boston-Quincy area for patient reimbursement purposes. See
    Administrative Record at 100, Anna Jaques Hospital v. Sebelius,
    No. 1:13-cv-00053-ABJ (D.D.C. filed May 17, 2013), ECF No. 14.
    32
    It also bears noting that reimbursement for patient
    services on a campus-specific basis is significantly more
    administrable because it turns on the readily ascertainable
    location of the patient. Reconfiguring the wage index, by
    contrast, requires finding a reasonable way to unscramble an
    institution’s merged financial and operational practices and to
    attribute centralized costs to individual campuses, even when
    employees routinely migrate between campuses.
    Fourth, the Providers argue that, by not separating out
    campus-specific data, the Secretary failed to provide a
    uniformly measured wage index. Providers’ Br. 20–23. As
    the Providers see it, the Secretary failed to apply geographic
    lines consistently across the Country. That is not correct.
    Uniformly and nationwide, the Secretary collected one cost
    report from each hospital participating in the Prospective
    Payment System, and used the wage data from that cost report
    to calculate the average hourly wage for the geographic area
    associated with the hospital’s provider number. She utilized
    that rule consistently and evenhandedly for all hospitals,
    whether or not multi-campus.
    At bottom, the Providers’ central objection is that they
    believe there was a better method of calculating the wage
    index for their area. Maybe so. But all that the law requires,
    and all that we can evaluate on review, is whether the
    Secretary’s approach was reasonable. See American Forest
    and Paper Ass’n v. FERC, 
    550 F.3d 1179
    , 1183 (D.C. Cir.
    2008) (“Step two of Chevron does not require the best
    interpretation, only a reasonable one.”). And that it was.
    (2) Geographic Designation of Southcoast
    The Secretary also acted reasonably in recognizing Tobey
    Hospital, located in the Boston-Quincy area, as Southcoast’s
    main campus for purposes of the Medicare program and, on
    33
    that basis, treating all of Southcoast’s employees (or more
    accurately, their wage data) as located in that same
    geographic area. See Final 2006 Rules, 70 Fed. Reg. at
    47,445–47,446. Tobey Hospital had performed that function
    within the Medicare program for nearly a decade, and
    Southcoast met all of the statutory and regulatory criteria for
    reporting in that manner, which the Providers do not dispute.
    Furthermore, Tobey Hospital provided the Medicare reporting
    number for the unified hospital, through which other
    Medicare reporting and all Medicare billings and certification
    took place.
    In addition, the complications inherent in retroactively re-
    determining where a multi-campus hospital is located are
    identical to those the Secretary was attempting to avoid by
    declining to allocate the multi-campus hospitals’ wage data by
    campus. The Providers’ argument that “90%” or “the vast
    bulk of the multicampus hospital was located” in the
    Providence area proves that point. Reply Br. 6; Oral Arg. Tr.
    48–49, 52–54. That “90%” number is based on the number of
    beds in Southcoast’s campuses, which “does not correlate
    well with how a hospital incurs its wage costs.” Final 2008
    Rules, 72 Fed. Reg. at 47,318. Nor would Medicare
    discharges be a reliable basis on which to determine where the
    bulk of Southcoast’s personnel and operations were located
    because the number “can fluctuate from year to year and may
    be an unstable data source.” 
    Id. at 47,317–47,318.
    More importantly, the Secretary did not have the
    substitute data that the Providers prefer in 2006 or 2007.
    Final 2008 Rules, 72 Fed. Reg. at 47,318 (“Furthermore,
    neither of these numbers [the number of beds or discharges] is
    available on a campus-specific basis in Medicare’s data
    systems.”). Indeed, the Secretary’s ultimate adjustment in
    2008 had to rely on Southcoast’s discharges because
    34
    Southcoast did not have reliable full-time and campus-
    specific employment data since its employees routinely
    worked on multiple campuses. See 
    id. at 47,319.
    It thus was
    neither arbitrary nor capricious for the Secretary, when first
    confronting the problem in 2006, to eschew an approach that
    depended on unreliable data not in the Secretary’s possession.
    III
    Conclusion
    We hold that the Secretary’s calculation of the wage
    index for fiscal years 2006 and 2007 was reasonable, non-
    arbitrary, and supported by substantial evidence.     The
    judgment below is affirmed.
    So ordered.
    

Document Info

Docket Number: 14-5125

Citation Numbers: 418 U.S. App. D.C. 291, 797 F.3d 1155, 2015 U.S. App. LEXIS 14274, 2015 WL 4772640

Judges: Kavanaugh, Millett, Wilkins

Filed Date: 8/14/2015

Precedential Status: Precedential

Modified Date: 11/5/2024

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