Hospital Change of Ownership
The Hospital Change of Ownership (CHOW) dataset provides information on the hospital ownership changes that occurred on or after January 1, 2016.
Part of the CMS Data Feeds Dataset › Medicare
Dataplex delivers this CMS feed as the analysis-ready table DWV.HOSPITAL_CHANGE_OF_OWNERSHIP on Snowflake and Databricks — coverage from 2022 to 2026 in a single aligned schema, refreshed automatically whenever CMS publishes a new file. Every row carries lineage back to the exact CMS source file that produced it.
Key facts
Snowflake
DWV.HOSPITAL_CHANGE_OF_OWNERSHIP
Databricks
cms_dwv.hospital_change_of_ownership
Coverage
Jan 2022 – Mar 2026
Rows
184,969 (total across all reporting periods)
Cadence
Quarterly
Update pattern
Time-partitioned — each file adds one reporting period
CMS published
2026-04-20
Loaded
2026-04-20
Columns
57 data + 6 lineage
Identifiers
NPI · CCN · ZIP codes
File versions
27
License
CMS public data — U.S. Government work
Platforms
Snowflake Marketplace · Databricks Delta Sharing
Included in the CMS Data Feeds Dataset — start a free trial on Snowflake Marketplace.
Current — CMS last published this feed on 2026-04-20. Coverage runs through 2026-03-31. Next CMS release expected ~Jul 2026.
Time-partitioned feed — each file version covers one reporting period, so history is additive. Query the full table for all periods; filter on the reporting period columns for a single period. Do not filter to the latest file only — that would return just the 2026 reporting period.
Sample queries
About this feed
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.
— Source: CMS feed metadata
Keywords: Medicare, Original Medicare, Medicare Advantage, Hospitals & Facilities, Provider Enrollment Theme: Medicare
Coverage timeline
2022 🟩 · 2023 🟩 · 2024 🟩 · 2025 🟩 · 2026 🟩
5 of 5 years covered — no gaps.
Release history
2026-01-01 – 2026-03-31
2026-04-20
2026-04-20
✓
2025-10-01 – 2025-12-31
2026-01-20
2026-01-20
2025-07-01 – 2025-09-30
2025-10-22
2025-10-22
2025-04-01 – 2025-06-30
2025-07-15
2025-07-15
2025-01-01 – 2025-03-31
2025-05-15
2025-05-15
2024-10-01 – 2024-12-31
2025-01-15
2025-01-15
2024-07-01 – 2024-09-30
2024-10-15
2024-10-16
2024-04-01 – 2024-06-30
2024-07-15
2024-07-15
2024-04-01 – 2024-06-30
2024-07-15
2024-07-15
2024-01-01 – 2024-03-31
2024-04-15
2024-04-18
Show 17 earlier file versions
2024-01-01 – 2024-03-31
2024-04-15
2024-04-18
2023-10-01 – 2023-12-31
2024-01-17
2024-01-17
2023-10-01 – 2023-12-31
2024-01-17
2024-01-17
2023-07-01 – 2023-09-30
2023-10-16
2023-10-17
2023-07-01 – 2023-09-30
2023-10-16
2023-10-17
2023-04-01 – 2023-06-30
2023-07-17
2023-08-29
2023-04-01 – 2023-06-30
2023-07-17
2023-08-29
2023-01-01 – 2023-03-31
2023-04-25
2023-08-29
2023-01-01 – 2023-03-31
2023-04-25
2023-08-29
2022-10-01 – 2022-12-31
2023-03-06
2023-08-29
2022-10-01 – 2022-12-31
2023-03-06
2023-08-29
2022-07-01 – 2022-09-30
2022-10-25
2023-08-29
2022-07-01 – 2022-09-30
2022-10-25
2023-08-29
2022-04-01 – 2022-06-30
2022-07-28
2023-08-29
2022-04-01 – 2022-06-30
2022-07-28
2023-08-29
2022-01-01 – 2022-03-31
2022-05-04
2023-08-29
2022-01-01 – 2022-03-31
2022-04-28
2023-08-29
Data dictionary
📋 57 data columns + 6 lineage columns
Data columns
ENROLLMENT_ID__BUYER
TEXT
ENROLLMENT ID - BUYER
ENROLLMENT_STATE__BUYER
TEXT
ENROLLMENT STATE - BUYER
PROVIDER_TYPE_CODE__BUYER
TEXT
PROVIDER TYPE CODE - BUYER
PROVIDER_TYPE_TEXT__BUYER
TEXT
PROVIDER TYPE TEXT - BUYER
NPI__BUYER
NUMBER
NPI - BUYER
MULTIPLE_NPI_FLAG__BUYER
BOOLEAN
MULTIPLE NPI FLAG - BUYER
CCN__BUYER
TEXT
CCN - BUYER
ASSOCIATE_ID__BUYER
NUMBER
ASSOCIATE ID - BUYER
ORGANIZATION_NAME__BUYER
TEXT
ORGANIZATION NAME - BUYER
DOING_BUSINESS_AS_NAME__BUYER
TEXT
DOING BUSINESS AS NAME - BUYER
CHOW_TYPE_CODE
TEXT
CHOW_TYPE_TEXT
TEXT
EFFECTIVE_DATE
DATE
ENROLLMENT_ID__SELLER
TEXT
ENROLLMENT ID - SELLER
ENROLLMENT_STATE__SELLER
TEXT
ENROLLMENT STATE - SELLER
PROVIDER_TYPE_CODE__SELLER
TEXT
PROVIDER TYPE CODE - SELLER
PROVIDER_TYPE_TEXT__SELLER
TEXT
PROVIDER TYPE TEXT - SELLER
NPI__SELLER
NUMBER
NPI - SELLER
MULTIPLE_NPI_FLAG__SELLER
BOOLEAN
MULTIPLE NPI FLAG - SELLER
CCN__SELLER
TEXT
CCN - SELLER
ASSOCIATE_ID__SELLER
NUMBER
ASSOCIATE ID - SELLER
ORGANIZATION_NAME__SELLER
TEXT
ORGANIZATION NAME - SELLER
DOING_BUSINESS_AS_NAME__SELLER
TEXT
DOING BUSINESS AS NAME - SELLER
ENROLLMENT_ID
TEXT
ASSOCIATE_ID
NUMBER
ORGANIZATION_NAME
TEXT
ASSOCIATE_ID__OWNER
NUMBER
ASSOCIATE ID - OWNER
TYPE__OWNER
TEXT
TYPE - OWNER
ROLE_CODE__OWNER
NUMBER
ROLE CODE - OWNER
ROLE_TEXT__OWNER
TEXT
ROLE TEXT - OWNER
ASSOCIATION_DATE__OWNER
DATE
ASSOCIATION DATE - OWNER
FIRST_NAME__OWNER
TEXT
FIRST NAME - OWNER
MIDDLE_NAME__OWNER
TEXT
MIDDLE NAME - OWNER
LAST_NAME__OWNER
TEXT
LAST NAME - OWNER
TITLE__OWNER
TEXT
TITLE - OWNER
ORGANIZATION_NAME__OWNER
TEXT
ORGANIZATION NAME - OWNER
DOING_BUSINESS_AS_NAME__OWNER
TEXT
DOING BUSINESS AS NAME - OWNER
ADDRESS_LINE_1__OWNER
TEXT
ADDRESS LINE 1 - OWNER
ADDRESS_LINE_2__OWNER
TEXT
ADDRESS LINE 2 - OWNER
CITY__OWNER
TEXT
CITY - OWNER
STATE__OWNER
TEXT
STATE - OWNER
ZIP_CODE__OWNER
TEXT
ZIP CODE - OWNER
PERCENTAGE_OWNERSHIP
NUMBER
CREATED_FOR_ACQUISITION__OWNER
BOOLEAN
CREATED FOR ACQUISITION - OWNER
CORPORATION__OWNER
BOOLEAN
CORPORATION - OWNER
LLC__OWNER
BOOLEAN
LLC - OWNER
MEDICAL_PROVIDER_SUPPLIER__OWNER
BOOLEAN
MEDICAL PROVIDER SUPPLIER - OWNER
MANAGEMENT_SERVICES_COMPANY__OWNER
BOOLEAN
MANAGEMENT SERVICES COMPANY - OWNER
MEDICAL_STAFFING_COMPANY__OWNER
BOOLEAN
MEDICAL STAFFING COMPANY - OWNER
HOLDING_COMPANY__OWNER
BOOLEAN
HOLDING COMPANY - OWNER
INVESTMENT_FIRM__OWNER
BOOLEAN
INVESTMENT FIRM - OWNER
FINANCIAL_INSTITUTION__OWNER
BOOLEAN
FINANCIAL INSTITUTION - OWNER
CONSULTING_FIRM__OWNER
BOOLEAN
CONSULTING FIRM - OWNER
FOR_PROFIT__OWNER
BOOLEAN
FOR PROFIT - OWNER
NON_PROFIT__OWNER
BOOLEAN
NON PROFIT - OWNER
OTHER_TYPE__OWNER
BOOLEAN
OTHER TYPE - OWNER
OTHER_TYPE_TEXT__OWNER
TEXT
OTHER TYPE TEXT - OWNER
Lineage columns (present on every feed table)
ROW_ID
TEXT
Unique row ID for this table (PK)
FILE_ID
TEXT
Source file — joins to FEEDS_FILES.ID (FK)
FILE_FEED_ID
TEXT
Parent feed — joins to FEEDS.ID (FK)
FILE_NAME
TEXT
Source file name as published by CMS
ROWNUM
NUMBER
Row number within the source file
CREATED_AT
TIMESTAMP_NTZ
Timestamp when the record was loaded
Row-level lineage
Every row in this table traces to the exact CMS source file that produced it. The FILE_ID column joins to the FEEDS_FILES catalog table, and FILE_FEED_ID joins to the FEEDS master table:
Trace any row back to its source file and reporting period:
Source & provenance
Published by the Centers for Medicare & Medicaid Services (bureau 009:38).
Frequently asked questions
How often is Hospital Change of Ownership updated?
Quarterly. CMS last published this feed on 2026-04-20, and Dataplex loaded it to the warehouse the same day. New releases are added automatically when CMS publishes them.
What years does Hospital Change of Ownership cover?
2022 through 2026.
How many records are in Hospital Change of Ownership?
184,969 rows across all 27 reporting periods. Because this feed is time-partitioned, the full table total is the meaningful count — no deduplication needed.
How do I get Hospital Change of Ownership data?
It's included in the CMS Data Feeds Dataset on the Snowflake Marketplace (free trial available) and via Databricks Delta Sharing. Once mounted, query DWV.HOSPITAL_CHANGE_OF_OWNERSHIP directly — no pipeline setup required.
Related feeds
Hospice EnrollmentsMedicare Enrolled Mass ImmunizersProvider of Services File - Internet Quality Improvement and Evaluation SystemSkilled Nursing Facility EnrollmentsHospital EnrollmentsGet this feed
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