Hospital Service Area

The Hospital Service Area data is a summary of calendar year Medicare inpatient hospital fee-for-service and Medicare Advantage claims data.

Part of the CMS Data Feeds Dataset › Medicare

Dataplex delivers this CMS feed as the analysis-ready table DWV.HOSPITAL_SERVICE_AREA on Snowflake and Databricks — 12 annual reporting periods (2015–2025) 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.HOSPITAL_SERVICE_AREA
Databricks	cms_dwv.hospital_service_area
Coverage	Jan 2015 – Dec 2025 (11 of 11 annual reporting periods)
Rows	13,042,520 (total across all reporting periods)
Cadence	Annual
Update pattern	Time-partitioned — each file adds one reporting year
CMS published	2026-07-06
Loaded	2026-07-06
Columns	5 data + 6 lineage
Identifiers	ZIP codes
File versions	12
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 2026-07-06. Coverage is complete through the 2025 reporting year. Next CMS release expected ~Jul 2027.

Time-partitioned feed — each file version covers one reporting year, so history is additive. Query the full table for all years; filter on the reporting period columns for a single period. Do not filter to the latest file only — that would return just the 2025 reporting year.

Sample queries

Snowflake

-- Each file version covers one reporting period — history is additive
SELECT *
FROM DWV.HOSPITAL_SERVICE_AREA
LIMIT 100;

Databricks

About this feed

The Hospital Service Area data is a summary of calendar year Medicare inpatient hospital fee-for-service and Medicare Advantage claims data. It contains number of discharges, total days of care, and total charges summarized by hospital provider number and the ZIP code of the Medicare beneficiary.

— Source: CMS feed metadata

Keywords: Medicare, Original Medicare, Hospitals & Facilities, Inpatient, Health Care Use & Payments Theme: Medicare

Coverage timeline

2015–2025 🟩🟩🟩🟩🟩🟩🟩🟩🟩🟩🟩 (🟩 covered · ⬜ no data)

11 of 11 annual reporting periods present — no gaps.

Release history

Reporting period	CMS published	Loaded	Latest file
2025-01-01 – 2025-12-31	2026-07-06	2026-07-06	✓
2024-01-01 – 2024-12-31	2025-09-10	2025-10-18
2024-01-01 – 2024-12-31	2025-06-27	2025-06-27
2023-01-01 – 2023-12-31	2024-07-26	2024-07-26
2022-01-01 – 2022-12-31	2023-09-14	2023-09-15
2021-01-01 – 2021-12-31	2023-03-06	2023-08-29
2020-01-01 – 2020-12-31	2022-10-28	2023-08-29
2019-01-01 – 2019-12-31	2022-10-28	2023-08-29
2018-01-01 – 2018-12-31	2022-10-28	2023-08-29
2017-01-01 – 2017-12-31	2023-03-06	2023-08-29

Show 2 earlier file versions

Reporting period	CMS published	Loaded	Latest file
2016-01-01 – 2016-12-31	2023-03-06	2023-08-29
2015-01-01 – 2015-12-31	2021-11-22	2023-08-29

Data dictionary

📋 5 data columns + 6 lineage columns

Column-level definitions are maintained by CMS in the official Hospital Service Area data dictionary.

Data columns

Column	Type
MEDICARE_PROV_NUM	TEXT
ZIP_CD_OF_RESIDENCE	TEXT
TOTAL_DAYS_OF_CARE	NUMBER
TOTAL_CHARGES	TEXT
TOTAL_CASES	TEXT

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.MEDICARE_PROV_NUM, d.ZIP_CD_OF_RESIDENCE, d.TOTAL_DAYS_OF_CARE,
       ff.TEMPORAL_START, ff.TEMPORAL_END, ff.CMS_FEED_MODIFIED
FROM DWV.HOSPITAL_SERVICE_AREA 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 data dictionary

• Hospital Service Area Methodology

Frequently asked questions

How often is Hospital Service Area updated?

Annually. CMS last published this feed on 2026-07-06, and Dataplex loaded it to the warehouse the same day. New releases are added automatically when CMS publishes them.

What years does Hospital Service Area cover?

2015 through 2025 — 11 annual reporting periods with no gaps. Each reporting year arrives as its own file version, and all years remain queryable side by side.

How many records are in Hospital Service Area?

13,042,520 rows across all 12 reporting periods. Because this feed is time-partitioned, the full table total is the meaningful count — no deduplication needed.

How do I get Hospital Service Area 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_SERVICE_AREA directly — no pipeline setup required.

Related feeds

Medicare Post-Acute Care Utilization - HospiceMedicare Inpatient Hospitals - by Geography and ServiceAgency for Healthcare Research and Quality (AHRQ) Patient Safety Indicator 11 (PSI-11) Measure RatesMedicare Post-Acute Care and Hospice - by Geography & ProviderMedicare Post-Acute Care Utilization - Inpatient Rehabilitation Facility

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 →