Every Medicare-billed (hospital × patient ZIP) pair — 1,155,777 records. Per row: Medicare provider number (CCN), patient ZIP of residence, total days of care, total charges, total cases. Cells under 11 cases are suppressed (CMS privacy protection). Maps every hospital's true patient catchment area. Joins with cms_hospitals + cms_hospital_owners by CCN.
The listed URL identifies a referenced source; it does not by itself document the ingestion endpoint. Referenced source URL: https://data.cms.gov/provider-data/dataset/hospital-service-area. Source-specific terms apply. US federal employee-authored works are generally public domain under 17 USC 105; non-federal and third-party material retains source terms. Free or keyless access does not alter source terms. Metadata and normalization authored by MORVS (AI Analytics LLC) are CC0 only where expressly stated.