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CMS Care Compare — Hospitals

CMS Care Compare — Hospital General Information (data-only)

U.S. Centers for Medicare and Medicaid Services · Tier-1 · research-only (never on individual profiles)

Research-only
Source:CMS Care Compare — Hospitals·Snapshot May 2026Open official source ↗

Data-only treatment: identity + hospital_type + ownership + Hospital Overall Rating for 5,426 Medicare-certified hospitals. NO dedicated brand-hub page; surfaced via audit-pack export + cross-source resolver only. POS QIES is the canonical identity backbone for hospitals (PRVDR_CTGRY_CD=01); Care Compare Hospital General Information ENRICHES POS-anchored CCNs.

What Fonteum uses it for

How this source shows up on Fonteum.

Audit-pack export continuum-completeness + cross-source resolver enrichment for hospital CCNs. Buyer pitch leverage rather than consumer SEO surface.

What this source does NOT mean

This is not a hospital directory page — hospitals are intentionally excluded from dedicated brand-hub pages. Star rating reflects CMS publication; Fonteum does not independently rate.

What this dataset answers

Research and data questions this source supports.

  • 01Build a hospital quality leaderboard combining CMS star rating, readmission measures, and HCRIS financial data for M&A diligence.
  • 02Surface hospital CCN identity and star rating for a geographic healthcare access study.
  • 03Cross-reference hospital CCNs against OIG LEIE and HCRIS cost reports via the CCN backbone.
  • 04Identify critical access hospitals (CAH) and their quality performance for rural health policy research.
  • 05Power a hospital network adequacy tool that maps Medicare-certified hospitals to plan service areas.

Dataset size: ~4,900 acute care and critical access hospitals

Fields used

Per-field display contract.

Every field below has a `display_allowed` flag in the §94 provenance schema. Write-locked fields are captured to provenance for audit but never rendered on profile pages.

Write-locked — captured to provenance, not displayed

5 fields
ccnCCN (normalized from facility_id)
hospital_typeHospital type
hospital_ownershipHospital ownership
emergency_servicesOffers emergency services
hospital_overall_ratingHospital Overall Rating (1–5 ★)
Limitations

What we can’t infer from this source.

  • Data-only treatment; not surfaced on a brand-hub page.
  • Hybrid Hospital-Wide Mortality measure new July 2025 — limited baseline trend.
  • 5,426 < 13,540 POS hospital rows — Care Compare Hospitals is a SUBSET; POS owns identity.
  • 47% unrated for Hospital Overall Rating in current snapshot.
Source metadata

Authority, license, refresh cadence.

Authority

U.S. Centers for Medicare and Medicaid Services

Tier

Tier-1 · research-only (never on individual profiles)

Refresh cadence

Annual cycle aligned to FY rule changes; Hybrid HWM measure new July 2025.

License

U.S. government public-domain works (17 U.S.C. § 105). Attribution: 'Source: CMS Care Compare · Hospital General Information (xubh-q36u) · Snapshot {YYYY-MM-DD}'. License ↗

Official URL

https://data.cms.gov/provider-data/dataset/xubh-q36u

Attribution requirement

Source: CMS Care Compare · Hospital General Information (xubh-q36u) · Last checked {YYYY-MM-DD}

ToS & usage notes

What the source allows.

U.S. government public-domain works. Data-only treatment.

Sample provenance

What a single field looks like in the graph.

A worked example. Every field surfaced from this source carries this shape of provenance line — source · last checked · display rule · confidence (when applicable).

Field

Hospital count + rating coverage (snapshot 2026-05-07)

Sample value

5,426 hospitals; 2,866 rated; mean 3.08 ★

Provenance line

Source: CMS Care Compare · Hospital General Information (xubh-q36u) · Snapshot 2026-05-07 · Display rule: audit-pack-only — no consumer brand-hub render

How to access

Official API, bulk download, and Fonteum endpoints.

Official API / download

https://data.cms.gov/provider-data/ ↗

Fonteum surface

https://fonteum.com/care-compare →

Frequently asked

Common questions about CMS Care Compare — Hospitals.

What does the CMS Care Compare Hospitals dataset include?
The CMS Care Compare Hospitals dataset covers Medicare-certified acute care hospitals and critical access hospitals. It includes hospital identity (CCN, NPI, name, address, type), the CMS Overall Hospital Quality Star Rating (1–5 stars), and individual measures across mortality, safety of care, readmissions, patient experience (HCAHPS), timely and effective care, and efficient use of medical imaging.
What is the CMS hospital star rating?
The CMS Overall Hospital Quality Star Rating is a composite 1–5 star measure calculated from 46 quality measures grouped into five domains: mortality, safety of care, readmissions, patient experience, and timely and effective care. Weights vary by domain. The methodology uses latent variable modeling to standardize across hospitals with different patient volumes and reporting completeness.
What is the difference between a general acute care hospital and a critical access hospital?
A critical access hospital (CAH) is a special Medicare designation for rural hospitals that meet specific criteria: 25 or fewer inpatient beds, 96-hour average length of stay limit, and location in a rural area at least 35 miles from the nearest hospital. CAHs receive cost-based Medicare reimbursement rather than the DRG-based prospective payment system used by general acute care hospitals.
Where can I download CMS hospital quality data?
CMS publishes hospital quality data through the Care Compare Provider Data Catalog at data.cms.gov/provider-data. Multiple dataset files cover different measure domains; the main general information and star rating file is available as a CSV download. All files are U.S. government public-domain data.
How does HCRIS financial data complement Care Compare hospital quality data?
CMS Care Compare provides quality and safety measures for hospitals. CMS HCRIS (Healthcare Cost Report Information System) provides the financial data — revenue, cost, margin, charity care, and staffing — for the same facilities. Both datasets join via CCN, enabling compound analysis of quality versus financial performance that commercial vendors like Definitive Healthcare charge $45K–$95K per year to provide.
Related

Where this source already shows up.

Related sources in the graph

  • /sources/cms-pos →
  • /sources/cms-hcris-hospital-2552-10 →
  • /sources/oig-leie →

Per-source methodology: /methodology/care-compare-hospitals →

See also
  • /sources → The full source library — every dataset Fonteum cites.
  • /data-provenance → The provider graph — pipeline diagram, source-family clusters, field-level provenance examples, display rules.
  • /methodology → Network-wide sourcing, refresh cadence, and corrections policy.
  • /editorial-policy → Independence, sourcing, conflicts, corrections, retractions.

Compliance posture

Methodology · Corrections log · Editorial policy

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Product

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For buyers

  • AI agents
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Reference

  • Compare
  • llms.txt
  • Agent card
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Fonteum is a US healthcare provenance registry that publishes signed, chain-of-custody-attested research and data pages on Medicare, Medicaid, and federal regulator datasets, drawing from 22 federal source families across CMS, OIG, HRSA, AHRQ, and HHS.

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