Facility Affiliation Data

This is the facility affiliations data publicly reported in the Provider Data Catalog.

Part of the CMS Data Feeds Dataset › Medicare

Dataplex delivers this CMS feed as the analysis-ready table DWV.FACILITY_AFFILIATION_DATA on Snowflake and Databricks — 28 snapshot releases spanning 2024–2026, aligned to a single 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.FACILITY_AFFILIATION_DATA
Databricks	cms_dwv.facility_affiliation_data
Update pattern	Full-refresh — each file replaces the prior snapshot
CMS published	2026-06-26
Loaded	2026-07-10
Columns	9 data + 6 lineage
Identifiers	NPI
File versions	28
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 2026-06-26. Coverage runs through 2026-06-26. Next CMS release expected ~Jul 2026.

Full-refresh feed — each file version is a complete snapshot and newer files supersede older ones. Filter to the latest file (see the sample query) to avoid double-counting across versions.

Sample queries

Snowflake

-- Latest snapshot only (avoids double-counting across file versions)
SELECT *
FROM DWV.FACILITY_AFFILIATION_DATA
WHERE FILE_ID IN (
  SELECT ID FROM DWV.FEEDS_FILES WHERE IS_LATEST = 1
)
LIMIT 100;

Databricks

About this feed

This is the facility affiliations data publicly reported in the Provider Data Catalog.

— Source: CMS feed metadata

Keywords: Medicare, Facility Affiliation Data Theme: Medicare

Coverage timeline

2024 🟩 · 2025 🟩 · 2026 🟩

3 of 3 years with snapshot releases — no gaps.

Release history

Reporting period	CMS published	Loaded	Latest file
Snapshot as of 2026-06-26	2026-06-26	2026-07-10	✓
Snapshot as of 2026-05-29	2026-05-29	2026-06-12
Snapshot as of 2026-05-04	2026-05-04	2026-05-15
Snapshot as of 2026-03-27	2026-03-27	2026-04-09
Snapshot as of 2026-03-07	2026-03-07	2026-03-31
Snapshot as of 2026-03-06	2026-03-06	2026-03-20
Snapshot as of 2026-02-20	2026-02-20	2026-03-06
Snapshot as of 2026-01-30	2026-01-30	2026-02-12
Snapshot as of 2026-01-16	2026-01-16	2026-01-29
Snapshot as of 2025-12-30	2025-12-30	2026-01-16

Show 18 earlier file versions

Reporting period	CMS published	Loaded	Latest file
Snapshot as of 2025-11-19	2025-11-19	2025-12-18
Snapshot as of 2025-09-11	2025-09-11	2025-09-28
Snapshot as of 2025-08-28	2025-08-28	2025-09-14
Snapshot as of 2025-08-15	2025-08-15	2025-08-28
Snapshot as of 2025-07-22	2025-07-22	2025-07-31
Snapshot as of 2025-07-08	2025-07-08	2025-07-20
Snapshot as of 2025-07-03	2025-07-03	2025-07-06
Snapshot as of 2025-06-13	2025-06-13	2025-06-27
Snapshot as of 2025-05-30	2025-05-30	2025-06-13
Snapshot as of 2025-05-16	2025-05-16	2025-05-30
Snapshot as of 2025-05-02	2025-05-02	2025-05-18
Snapshot as of 2025-04-04	2025-04-04	2025-04-18
Snapshot as of 2025-03-24	2025-03-24	2025-04-06
Snapshot as of 2025-03-07	2025-03-07	2025-03-20
Snapshot as of 2025-02-24	2025-02-24	2025-03-07
Snapshot as of 2025-01-31	2025-01-31	2025-02-27
Snapshot as of 2025-01-07	2025-01-07	2025-01-16
Snapshot as of 2024-12-02	2024-12-02	2024-12-19

Data dictionary

📋 9 data columns + 6 lineage columns

Column-level definitions are maintained by CMS in the official Facility Affiliation Data data dictionary.

Data columns

Column	Type
NPI	NUMBER
IND_PAC_ID	NUMBER
PROVIDER_LAST_NAME	TEXT
PROVIDER_FIRST_NAME	TEXT
PROVIDER_MIDDLE_NAME	TEXT
SUFF	TEXT
FACILITY_TYPE	TEXT
FACILITY_AFFILIATIONS_CERTIFICATION_NUMBER	TEXT
FACILITY_TYPE_CERTIFICATION_NUMBER	NUMBER

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.NPI, d.IND_PAC_ID, d.PROVIDER_LAST_NAME,
       ff.TEMPORAL_START, ff.TEMPORAL_END, ff.CMS_FEED_MODIFIED
FROM DWV.FACILITY_AFFILIATION_DATA d
JOIN DWV.FEEDS_FILES ff ON d.FILE_ID = ff.ID;

Source & provenance

Published by the Centers for Medicare & Medicaid Services.

• Official CMS documentation

Frequently asked questions

How often is Facility Affiliation Data updated?

CMS last published this feed on 2026-06-26. New releases are added automatically when CMS publishes them.

What years does Facility Affiliation Data cover?

2024 through 2026.

How many records are in Facility Affiliation Data?

Count the current snapshot yourself once the share is mounted:

SELECT COUNT(*)
FROM DWV.FACILITY_AFFILIATION_DATA d
JOIN DWV.FEEDS_FILES ff ON d.FILE_ID = ff.ID
WHERE ff.IS_LATEST = 1;

How do I get Facility Affiliation Data 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.FACILITY_AFFILIATION_DATA directly — no pipeline setup required.

Related feeds

Medicare Post-Acute Care Utilization - Inpatient Rehabilitation Facility by Geography and ProviderAgency for Healthcare Research and Quality (AHRQ) Patient Safety Indicator 11 (PSI-11) Measure RatesTimely and Effective Care - HospitalCMS Program Statistics - Medicare SNF Utilization by Type of EntitlementOutpatient and Ambulatory Surgery Consumer Assessment of Healthcare Providers and Systems (OAS CAHPS) survey for ambulatory surgical centers - State

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 →