Every Medicare hospital + skilled-nursing-facility change-of-ownership transaction filed with CMS — 5,896 records combined. Per row: effective date, CHOW type (full transfer / partial / chain transfer / etc), Buyer side (enrollment ID + CCN + NPI + org name + DBA + state), Seller side (same fields). Joins with cms_hospital_owners + cms_snf_owners by enrollment_id + effective_date for full ownership timeline. Captures every major hospital/SNF M&A wave including the post-COVID PE rollups.
Every record in this dataset can be traced back to its primary source at https://data.cms.gov/provider-characteristics/hospitals-and-other-facilities/hospital-change-of-ownership. Underlying content is a US federal government work (public domain under 17 USC §105); our derived data is licensed CC0 1.0.