Methodology & sources

How the Index is built

Every figure traces to a public federal file, named here with the date we retrieved it and the SHA-256 hash of the exact file we processed. No modeling, no imputation, no pay-to-rank — ever.

Understanding the measures: UDS vs MIPS vs Hospital Compare →

Sources

FileWhat it isRetrieved
CHQR_Badge_Data.xlsx
sha256 ad67a2a05fe3…
CHQR badges 2021-20252026-06-12
Complications_and_Deaths-Hospital.csv
sha256 4edd2c4c9aa3…
CMS Care Compare hospital detail (curated measures)2026-06-12
DFC_FACILITY.csv
sha256 fe9a4d8dffa3…
CMS Care Compare Dialysis Facility Data2026-06-12
H80-2024.xlsx
sha256 b33988f1b336…
UDS 2024 health-center context profile (insurance, demographics, utilization)2026-06-12
HCAHPS-Hospital.csv
sha256 e9d7d4131a97…
CMS Care Compare hospital detail (curated measures)2026-06-12
HH_Provider.csv
sha256 5b8cf5f2058c…
CMS Care Compare Home Health Provider Data2026-06-12
Healthcare_Associated_Infections-Hospital.csv
sha256 90be9098189e…
CMS Care Compare hospital detail (curated measures)2026-06-12
Hospice_General_Information.csv
sha256 022b7e952217…
CMS Care Compare Hospice General Information2026-06-12
Hospice_Provider.csv
sha256 911107f93281…
CMS Care Compare Hospice Provider Measures (long format)2026-06-12
LAL-2024.xlsx
sha256 d67463ff6800…
UDS 2024 look-alikes2026-06-12
NH_ProviderInfo.csv
sha256 188b22d50f34…
CMS Care Compare Nursing Home Provider Info2026-06-12
NH_QualityMsr_Claims.csv
sha256 9861a2707bfa…
CMS Care Compare Nursing Home Quality Measures (Claims)2026-06-12
Timely_and_Effective_Care-Hospital.csv
sha256 5d39e1fd8b7b…
CMS Care Compare hospital detail (curated measures)2026-06-12
Unplanned_Hospital_Visits-Hospital.csv
sha256 6f8f59fed5a5…
CMS Care Compare hospital detail (curated measures)2026-06-12
aco_py2024_results_puf.csv
sha256 4b33c15a2304…
MSSP PY2024 financial+quality results PUF2026-06-12
aco_py2026_organizations.csv
sha256 e8639a0f4f4b…
ACO PY2026 organizations (leadership/contacts)2026-06-12
hospital_general_information.csv
sha256 0bf5c35de3d1…
CMS Care Compare Hospital General Information2026-06-12

Corrections

If we've republished something wrong, tell us at quaility.com/contact. Corrections are published with a record of what changed — never quietly buried.

The Index republishes US-government public-domain data (HRSA, CMS) “AS IS.” Licensed sources (Leapfrog, US News, Joint Commission) are never ingested.