{
 "id": "cms:c04031db-54ce-461c-85d1-d2613d71f167",
 "slug": "hospital-change-of-ownership",
 "source": "data.cms.gov",
 "title": "Hospital Change of Ownership",
 "summary": "The Hospital Change of Ownership (CHOW) dataset provides information on the hospital ownership changes that occurred on or after January 1, 2016.",
 "description": "The Hospital Change of Ownership (CHOW) dataset provides information on the hospital ownership changes that occurred on or after January 1, 2016. This data includes information on the buyer and seller organization’s legal business name, provider type, change of ownership type (CHOW, Acquisition/Merger, or Consolidation) and the effective date of the change.",
 "aliases": [],
 "keywords": [
  "Medicare",
  "Original Medicare",
  "Medicare Advantage",
  "Hospitals & Facilities",
  "Provider Enrollment"
 ],
 "themes": [
  "Medicare"
 ],
 "topics": [
  "hospitals",
  "doctors",
  "medicare-enrollment",
  "medicare-advantage"
 ],
 "category": "provider-characteristics",
 "publisher": "Office of Enterprise Data and Analytics (OEDA)",
 "contact": "ProviderEnrollmentDataRequests@cms.hhs.gov",
 "landing_url": "https://data.cms.gov/provider-characteristics/hospitals-and-other-facilities/hospital-change-of-ownership",
 "csv_url": "https://data.cms.gov/sites/default/files/2026-10/f94c78c7-c3b0-4935-bc54-a1f4126703c0/Hospital_CHOW_2026.09.29.csv",
 "api_url": "https://data.cms.gov/data-api/v1/dataset/c04031db-54ce-461c-85d1-d2613d71f167/data",
 "api_kind": "cms-data-api",
 "preview_url": "https://data.cms.gov/data-api/v1/dataset/c04031db-54ce-461c-85d1-d2613d71f167/data?size=10",
 "dictionary_url": "https://data.cms.gov/sites/default/files/2026-07/Hospital_CHOW_Data_Dictionary.pdf",
 "dictionary_kind": "page",
 "methodology_urls": [
  "https://data.cms.gov/sites/default/files/2026-07/Hospital_CHOW_Data_Guidance.pdf"
 ],
 "state_column": null,
 "row_count": 779,
 "posted": "2026-10-19",
 "modified": "2026-10-19",
 "period_start": "2022-01-01",
 "period_end": "2026-09-30",
 "latest_period": "2026-07-01 to 2026-09-30",
 "cadence": "quarterly",
 "next_update": null,
 "versions": [
  {
   "label": "2026-09-01",
   "uuid": "c04031db-54ce-461c-85d1-d2613d71f167",
   "posted": "2026-10-19",
   "period_start": "2026-07-01",
   "period_end": "2026-09-30"
  },
  {
   "label": "2026-06-01",
   "uuid": "1d513e48-e7ea-43c2-b3f2-1f3fcc52c4d3",
   "posted": "2026-08-19",
   "period_start": "2026-04-01",
   "period_end": "2026-06-30"
  },
  {
   "label": "2026-03-01",
   "uuid": "a9e03c64-c86f-4dfe-b54d-d5893881fbbd",
   "posted": "2026-04-20",
   "period_start": "2026-01-01",
   "period_end": "2026-03-31"
  },
  {
   "label": "2025-12-01",
   "uuid": "136996c8-a908-4718-9ee1-62a89f18f7e0",
   "posted": "2026-01-20",
   "period_start": "2025-10-01",
   "period_end": "2025-12-31"
  },
  {
   "label": "2025-09-01",
   "uuid": "f83cf5a1-f731-4808-b7f8-036fa06c0a5c",
   "posted": "2025-10-22",
   "period_start": "2025-07-01",
   "period_end": "2025-09-30"
  },
  {
   "label": "2025-06-01",
   "uuid": "621923b2-9620-4f31-a042-c36428a995cb",
   "posted": "2025-07-15",
   "period_start": "2025-04-01",
   "period_end": "2025-06-30"
  },
  {
   "label": "2025-03-01",
   "uuid": "1e14cc57-1490-4640-8eba-547e042858b3",
   "posted": "2025-05-15",
   "period_start": "2025-01-01",
   "period_end": "2025-03-31"
  },
  {
   "label": "2024-12-01",
   "uuid": "852a0391-86e0-4470-a56a-6b259984171c",
   "posted": "2025-01-15",
   "period_start": "2024-10-01",
   "period_end": "2024-12-31"
  },
  {
   "label": "2024-09-01",
   "uuid": "c409dfea-0f37-41ff-b846-1e1435fcc0ff",
   "posted": "2024-10-15",
   "period_start": "2024-07-01",
   "period_end": "2024-09-30"
  },
  {
   "label": "2024-06-01",
   "uuid": "919e2896-182d-4e6c-9bb5-2e6f85de5fdf",
   "posted": "2024-07-15",
   "period_start": "2024-04-01",
   "period_end": "2024-06-30"
  },
  {
   "label": "2024-03-31",
   "uuid": "3cba80db-046a-40b0-944d-22528595dcfe",
   "posted": "2024-04-15",
   "period_start": "2024-01-01",
   "period_end": "2024-03-31"
  },
  {
   "label": "2023-12-31",
   "uuid": "278595ef-6f5b-4d37-9b50-8d7acd4bfa25",
   "posted": "2024-01-17",
   "period_start": "2023-10-01",
   "period_end": "2023-12-31"
  },
  {
   "label": "2023-09-30",
   "uuid": "7c76c201-98c6-4840-ac0d-58a4b31043c5",
   "posted": "2023-10-16",
   "period_start": "2023-07-01",
   "period_end": "2023-09-30"
  },
  {
   "label": "2023-06-30",
   "uuid": "aa821455-086f-40e4-836e-9fd30a95cb67",
   "posted": "2023-07-17",
   "period_start": "2023-04-01",
   "period_end": "2023-06-30"
  },
  {
   "label": "2023-03-31",
   "uuid": "0825fbbd-c57b-4722-bb4d-655c50236be2",
   "posted": "2023-04-25",
   "period_start": "2023-01-01",
   "period_end": "2023-03-31"
  },
  {
   "label": "2022-12-30",
   "uuid": "6748a5be-cfe1-4b2c-8b46-ab1322c6364c",
   "posted": "2023-03-06",
   "period_start": "2022-10-01",
   "period_end": "2022-12-31"
  },
  {
   "label": "2022-09-30",
   "uuid": "4a71ba37-45d0-4a8b-93bb-dedb3f39c049",
   "posted": "2022-10-25",
   "period_start": "2022-07-01",
   "period_end": "2022-09-30"
  },
  {
   "label": "2022-06-30",
   "uuid": "d779fb35-1882-4dda-a0a0-e754ab4e634d",
   "posted": "2022-07-28",
   "period_start": "2022-04-01",
   "period_end": "2022-06-30"
  },
  {
   "label": "2022-03-31",
   "uuid": "2b26bbaa-61e8-4a94-aa3f-eaf5719b78b1",
   "posted": "2022-05-04",
   "period_start": "2022-01-01",
   "period_end": "2022-03-31"
  }
 ],
 "columns": [
  {
   "name": "ENROLLMENT ID - BUYER",
   "label": null,
   "type": "string",
   "meaning": null,
   "source": "cms-api"
  },
  {
   "name": "ENROLLMENT STATE - BUYER",
   "label": null,
   "type": "string",
   "meaning": null,
   "source": "cms-api"
  },
  {
   "name": "PROVIDER TYPE CODE - BUYER",
   "label": null,
   "type": "string",
   "meaning": null,
   "source": "cms-api"
  },
  {
   "name": "PROVIDER TYPE TEXT - BUYER",
   "label": null,
   "type": "string",
   "meaning": null,
   "source": "cms-api"
  },
  {
   "name": "NPI - BUYER",
   "label": null,
   "type": "string",
   "meaning": null,
   "source": "cms-api"
  },
  {
   "name": "MULTIPLE NPI FLAG - BUYER",
   "label": null,
   "type": "string",
   "meaning": null,
   "source": "cms-api"
  },
  {
   "name": "CCN - BUYER",
   "label": null,
   "type": "string",
   "meaning": null,
   "source": "cms-api"
  },
  {
   "name": "ASSOCIATE ID - BUYER",
   "label": null,
   "type": "string",
   "meaning": null,
   "source": "cms-api"
  },
  {
   "name": "ORGANIZATION NAME - BUYER",
   "label": null,
   "type": "string",
   "meaning": null,
   "source": "cms-api"
  },
  {
   "name": "DOING BUSINESS AS NAME - BUYER",
   "label": null,
   "type": "string",
   "meaning": null,
   "source": "cms-api"
  },
  {
   "name": "CHOW TYPE CODE",
   "label": null,
   "type": "string",
   "meaning": null,
   "source": "cms-api"
  },
  {
   "name": "CHOW TYPE TEXT",
   "label": null,
   "type": "string",
   "meaning": null,
   "source": "cms-api"
  },
  {
   "name": "EFFECTIVE DATE",
   "label": null,
   "type": "date",
   "meaning": null,
   "source": "cms-api"
  },
  {
   "name": "ENROLLMENT ID - SELLER",
   "label": null,
   "type": "string",
   "meaning": null,
   "source": "cms-api"
  },
  {
   "name": "ENROLLMENT STATE - SELLER",
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   "type": "string",
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   "source": "cms-api"
  },
  {
   "name": "PROVIDER TYPE CODE - SELLER",
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   "source": "cms-api"
  },
  {
   "name": "PROVIDER TYPE TEXT - SELLER",
   "label": null,
   "type": "string",
   "meaning": null,
   "source": "cms-api"
  },
  {
   "name": "NPI - SELLER",
   "label": null,
   "type": "string",
   "meaning": null,
   "source": "cms-api"
  },
  {
   "name": "MULTIPLE NPI FLAG - SELLER",
   "label": null,
   "type": "string",
   "meaning": null,
   "source": "cms-api"
  },
  {
   "name": "CCN - SELLER",
   "label": null,
   "type": "string",
   "meaning": null,
   "source": "cms-api"
  },
  {
   "name": "ASSOCIATE ID - SELLER",
   "label": null,
   "type": "string",
   "meaning": null,
   "source": "cms-api"
  },
  {
   "name": "ORGANIZATION NAME - SELLER",
   "label": null,
   "type": "string",
   "meaning": null,
   "source": "cms-api"
  },
  {
   "name": "DOING BUSINESS AS NAME - SELLER",
   "label": null,
   "type": "string",
   "meaning": null,
   "source": "cms-api"
  }
 ],
 "caveats": [],
 "curated": false,
 "license": "https://www.usa.gov/government-works",
 "detail_key": "c04031db-54ce-461c-85d1-d2613d71f167|2026-10-19",
 "checked": "2026-10-25",
 "source_name": "data.cms.gov"
}