Data sources

Every fact on this site is sourced from the CMS Provider Data Catalog, the official public repository for hospital, nursing home, and other provider quality data maintained by the Centers for Medicare & Medicaid Services.

Datasets used

• Hospital General Information (identity, ownership, ED, overall star rating)
• Complications and Deaths - Hospital
• Healthcare Associated Infections - Hospital
• Unplanned Hospital Visits - Hospital (readmissions)
• Patient Survey (HCAHPS) - Hospital
• Timely and Effective Care - Hospital
• Maternal Health - Hospital

Refresh cadence

CMS publishes updates on a quarterly cadence. We ingest the latest public release; each hospital page shows the "Data as of" date for the release currently in use.

Licensing

CMS provider data is in the public domain and free to reuse. Our presentation, editorial copy, and site design are our own.

Last reviewed: 2026-07-14.