Hospital Change of Ownership - Owner Information

The Hospital Change of Ownership (CHOW) - Owner Information dataset provides information on individual and organizational ownership interest and managerial…

Part of the CMS Data Feeds Dataset › Medicare

Dataplex delivers this CMS feed as the analysis-ready table DWV.HOSPITAL_CHANGE_OF_OWNERSHIP__OWNER_INFORMATION on Snowflake and Databricks — coverage from 2024 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__OWNER_INFORMATION
Databricks	cms_dwv.hospital_change_of_ownership__owner_information
Coverage	Jul 2024 – Mar 2026
Rows	188,446 (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	34 data + 6 lineage
Identifiers	ZIP codes
File versions	9
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

Snowflake

-- Each file version covers one reporting period (2024, 2025, 2026) — history is additive
SELECT *
FROM DWV.HOSPITAL_CHANGE_OF_OWNERSHIP__OWNER_INFORMATION
LIMIT 100;

Databricks

About this feed

The Hospital Change of Ownership (CHOW) - Owner Information dataset provides information on individual and organizational ownership interest and managerial control associated with the buyer and seller organizations, role of the owner, association date, address of the organizational owner and other ownership details.

— Source: CMS feed metadata

Keywords: Medicare, Original Medicare, Medicare Advantage, Hospitals & Facilities, Provider Enrollment Theme: Medicare

Coverage timeline

2024 🟩 · 2025 🟩 · 2026 🟩

3 of 3 years covered — no gaps.

Release history

Reporting period	CMS published	Loaded	Latest file
2026-01-01 – 2026-03-31	2026-04-20	2026-04-20	✓
2025-10-01 – 2025-12-31	2026-03-16	2026-03-16
2025-10-01 – 2025-12-31	2026-03-11	2026-03-11
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

Data dictionary

📋 34 data columns + 6 lineage columns

Data columns

Column	Type	Description
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)

Column	Type	Description
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:

SELECT d.ENROLLMENT_ID, d.ASSOCIATE_ID, d.ORGANIZATION_NAME,
       ff.TEMPORAL_START, ff.TEMPORAL_END, ff.CMS_FEED_MODIFIED
FROM DWV.HOSPITAL_CHANGE_OF_OWNERSHIP__OWNER_INFORMATION d
JOIN DWV.FEEDS_FILES ff ON d.FILE_ID = ff.ID;

Source & provenance

Published by the Centers for Medicare & Medicaid Services (bureau 009:38).

• Official CMS documentation

• Hospital Chow Data Guidance

Frequently asked questions

How often is Hospital Change of Ownership - Owner Information 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 - Owner Information cover?

2024 through 2026.

How many records are in Hospital Change of Ownership - Owner Information?

188,446 rows across all nine 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 - Owner Information 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__OWNER_INFORMATION directly — no pipeline setup required.

Related feeds

Provider of Services File - Hospital & Non-Hospital FacilitiesHospital EnrollmentsHome Health Agency EnrollmentsSkilled Nursing Facility Change of Ownership - Owner InformationHome Health Agency All Owners

Get this feed

1. Start a free trial on Snowflake Marketplace or purchase via Databricks

2. Mount the share — the database and DWV schema appear in your account immediately

3. Run the sample query above — no ETL, no pipeline maintenance

Questions about this feed? Contact us at [e-mail].

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Part of the CMS Data Feeds Dataset — 280+ feeds · 245B+ records · updated daily. Back to the full catalog →