County-level Aggregate Expenditure and Risk Score Data on Assignable Beneficiaries

The Shared Savings Program County-level Aggregate Expenditure and Risk Score Data on Assignable Beneficiaries Public Use File (PUF) for the Medicare Shared…

Part of the CMS Data Feeds Dataset › Medicare

Dataplex delivers this CMS feed as the analysis-ready table DWV.COUNTYLEVEL_AGGREGATE_EXPENDITURE_AND_RISK_SCORE_DATA_ON_ASSIGNABLE_BENEFICIARIES on Snowflake and Databricks — six annual reporting periods (2021–2024) 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.COUNTYLEVEL_AGGREGATE_EXPENDITURE_AND_RISK_SCORE_DATA_ON_ASSIGNABLE_BENEFICIARIES
Databricks	cms_dwv.countylevel_aggregate_expenditure_and_risk_score_data_on_assignable_beneficiaries
Coverage	Jan 2021 – Dec 2024 (4 of 4 annual reporting periods)
Rows	19,336 (total across all reporting periods)
Cadence	Annual
Update pattern	Time-partitioned — each file adds one reporting year
CMS published	2026-04-13
Loaded	2026-04-13
Columns	22 data + 6 lineage
Identifiers	State & county FIPS codes
File versions	6
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 2026-04-13. Coverage is complete through the 2024 reporting year. Next CMS release expected ~Apr 2027.

Time-partitioned feed — each file version covers one reporting year, so history is additive. Query the full table for all years; filter on YEAR for a single period. Do not filter to the latest file only — that would return just the 2024 reporting year.

Sample queries

Snowflake

-- Each file version covers one reporting period (2021, 2022, 2023, 2024) — history is additive
SELECT *
FROM DWV.COUNTYLEVEL_AGGREGATE_EXPENDITURE_AND_RISK_SCORE_DATA_ON_ASSIGNABLE_BENEFICIARIES
LIMIT 100;

Databricks

About this feed

The Shared Savings Program County-level Aggregate Expenditure and Risk Score Data on Assignable Beneficiaries Public Use File (PUF) for the Medicare Shared Savings Program (Shared Savings Program) provides aggregate data consisting of per capita Parts A and B FFS expenditures, average CMS-HCC prospective risk scores and total person-years for Shared Savings Program assignable beneficiaries by Medicare enrollment type (End Stage Renal Disease (ESRD), disabled, aged/dual eligible, aged/non-dual eligible).

DISCLAIMER: This information is current as of the last update. Changes to Shared Savings Program Accountable Care Organization (ACO) information occur periodically. Each Shared Savings Program ACO has the most up-to-date information about their organization. Consider contacting the Shared Savings Program ACO for the latest information. Contact information is available in the ACO PUF and the ACO Participants PUF.

— Source: CMS feed metadata

Keywords: Counties, Medicare, Original Medicare, Value-Based Care, Coordinated Care, Financials, Payment Models, Accountable Care Organizations Theme: Medicare

Coverage timeline

2021 🟩 · 2022 🟩 · 2023 🟩 · 2024 🟩

4 of 4 annual reporting periods present — no gaps.

Release history

Reporting period	CMS published	Loaded	Latest file
2024-01-01 – 2024-12-31	2026-04-13	2026-04-13	✓
2024-01-01 – 2024-12-31	2025-09-11	2025-10-18
2024-01-01 – 2024-12-31	2025-08-19	2025-08-19
2023-01-01 – 2023-12-31	2024-11-27	2024-11-27
2022-01-01 – 2022-12-31	2023-07-18	2023-08-29
2021-01-01 – 2021-12-31	2022-09-20	2023-08-29

Data dictionary

📋 22 data columns + 6 lineage columns

Column-level definitions are maintained by CMS in the official County-level Aggregate Expenditure and Risk Score Data on Assignable Beneficiaries data dictionary.

Data columns

Column	Type
YEAR	NUMBER
STATE_NAME	TEXT
COUNTY_NAME	TEXT
STATE_ID	NUMBER
COUNTY_ID	NUMBER
PER_CAPITA_EXP_ESRD	NUMBER
AVG_RISK_SCORE_ESRD	NUMBER
AVG_DEMOG_SCORE_ESRD	NUMBER
PERSON_YEARS_ESRD	NUMBER
PER_CAPITA_EXP_DIS	NUMBER
AVG_RISK_SCORE_DIS	NUMBER
AVG_DEMOG_SCORE_DIS	NUMBER
PERSON_YEARS_DIS	NUMBER
PER_CAPITA_EXP_AGDU	NUMBER
AVG_RISK_SCORE_AGDU	NUMBER
AVG_DEMOG_SCORE_AGDU	NUMBER
PERSON_YEARS_AGDU	NUMBER
PER_CAPITA_EXP_AGND	NUMBER
AVG_RISK_SCORE_AGND	NUMBER
AVG_DEMOG_SCORE_AGND	NUMBER
PERSON_YEARS_AGND	NUMBER
AVG_DEMOG_SCORE_AGED_NON_DUAL	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.YEAR, d.STATE_NAME, d.COUNTY_NAME,
       ff.TEMPORAL_START, ff.TEMPORAL_END, ff.CMS_FEED_MODIFIED
FROM DWV.COUNTYLEVEL_AGGREGATE_EXPENDITURE_AND_RISK_SCORE_DATA_ON_ASSIGNABLE_BENEFICIARIES 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

• County level Aggregate Expenditure and Risk Score Data on Assignable Beneficiaries Methodology

Frequently asked questions

How often is County-level Aggregate Expenditure and Risk Score Data on Assignable Beneficiaries updated?

Annually. CMS last published this feed on 2026-04-13, and Dataplex loaded it to the warehouse the same day. New releases are added automatically when CMS publishes them.

What years does County-level Aggregate Expenditure and Risk Score Data on Assignable Beneficiaries cover?

2021 through 2024 — four 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 County-level Aggregate Expenditure and Risk Score Data on Assignable Beneficiaries?

19,336 rows across all six reporting periods. Because this feed is time-partitioned, the full table total is the meaningful count — no deduplication needed.

How do I get County-level Aggregate Expenditure and Risk Score Data on Assignable Beneficiaries 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.COUNTYLEVEL_AGGREGATE_EXPENDITURE_AND_RISK_SCORE_DATA_ON_ASSIGNABLE_BENEFICIARIES directly — no pipeline setup required.

Related feeds

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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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