data.cms.gov
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 Savings Program (Shared Savings Program) provides aggregate...
Freshness
- Last posted
- Period covered
- Jan 1, 2025 to Dec 31, 2025
- Update frequency
- Annually
Dates as CMS lists them in its catalog.
Columns 21
| Column | What it means | Type |
|---|---|---|
YearYEAR | Calendar year for which assignable beneficiaries are determined and per capita expenditures, average risk scores, and person-years are calculated. | number |
State nameSTATE_NAME | string | |
County nameCOUNTY_NAME | string | |
State IDSTATE_ID | SSA state code. Note that this code should always include two numeric characters, though leading zeros may be dropped when opening the files in some programs (e.g. a value of “01” may appear as “1”). | string |
County IDCOUNTY_ID | SSA county code. Note that this code should always include three numeric characters, though leading zeros may be dropped when opening the files in some programs (e.g. a value of “001” may appear as “1”). | string |
Per capita ESRD expendituresPER_CAPITA_EXP_ESRD | Annualized, truncated, weighted mean total expenditures per ESRD assignable beneficiary person year in the county. See parameters and notes for further details. | number |
Average ESRD CMS HCC risk scoreAVG_RISK_SCORE_ESRD | Final, mean prospective CMS-HCC risk score for assignable beneficiaries in ESRD enrollment type in the county, based on the applicable risk adjustment model for that year, renormalized so that the mean national FFS risk score for the assignable ESRD population equals 1.0. See parameters sheet for further details. | number |
Average ESRD Demographic Risk ScoreAVG_DEMOG_SCORE_ESRD | Final, mean demographic risk score for assignable beneficiaries in ESRD enrollment type in the county, based on the applicable risk adjustment model for that year, renormalized so that the mean national FFS risk score for the assignable ESRD population equals 1.0. See parameters sheet for further details. | number |
ESRD person-yearsPERSON_YEARS_ESRD | Number of assignable beneficiaries with ESRD enrollment type in the county, adjusted for the total number of months that each beneficiary was classified as ESRD and was enrolled in Part A and Part B and was not enrolled in a Medicare Group Health Plan. See parameters and notes for further details. | number |
Per capita DISABLED expendituresPER_CAPITA_EXP_DIS | Annualized, truncated, weighted mean total expenditures per DISABLED assignable beneficiary person year in the county. See parameters and notes for further details. | number |
Average DISABLED CMS HCC risk scoreAVG_RISK_SCORE_DIS | Final, mean prospective CMS-HCC risk score for assignable beneficiaries in DISABLED enrollment type in the county, based on the applicable risk adjustment model for that year, renormalized so that the mean national FFS risk score for the assignable DISABLED population equals 1.0. See parameters and notes for further details. | number |
Average DISABLED Demographic Risk ScoreAVG_DEMOG_SCORE_DIS | Final, mean demographic risk score for assignable beneficiaries in DISABLED enrollment type in the county, based on the applicable risk adjustment model for that year, renormalized so that the mean national FFS risk score for the assignable DISABLED population equals 1.0. See parameters and notes for further details. | number |
DISABLED person-yearsPERSON_YEARS_DIS | Number of assignable beneficiaries with DISABLED enrollment type in the county, adjusted for the total number of months that each beneficiary was classified as DISABLED and was enrolled in Part A and Part B and was not enrolled in a Medicare Group Health Plan. See parameters and notes for further details. | number |
Per capita AGED/DUAL expendituresPER_CAPITA_EXP_AGDU | Annualized, truncated, weighted mean total expenditures per AGED/DUAL assignable beneficiary person year in the county. See parameters and notes for further details. | number |
Average AGED/DUAL CMS HCC risk scoreAVG_RISK_SCORE_AGDU | Final, mean prospective CMS-HCC risk score for assignable beneficiaries in AGED/DUAL enrollment type in the county, based on the applicable risk adjustment model for that year, renormalized so that the mean national FFS risk score for the assignable AGED/DUAL population equals 1.0. See parameters and notes for further details. | number |
Average AGED/DUAL Demographic Risk ScoreAVG_DEMOG_SCORE_AGDU | Final, mean demographic risk score for assignable beneficiaries in AGED/DUAL enrollment type in the county, based on the applicable risk adjustment model for that year, renormalized so that the mean national FFS risk score for the assignable AGED/DUAL population equals 1.0. See parameters and notes for further details. | number |
AGED/DUAL person-yearsPERSON_YEARS_AGDU | Number of assignable beneficiaries with AGED/DUAL enrollment type in the county, adjusted for the total number of months that each beneficiary was classified as AGED/DUAL and was enrolled in Part A and Part B and was not enrolled in a Medicare Group Health Plan. See parameters and notes for further details. | number |
Per capita AGED/NON-DUAL expendituresPER_CAPITA_EXP_AGND | Annualized, truncated, weighted mean total expenditures per AGED/NON-DUAL assignable beneficiary person year in the county. See parameters and notes for further details. | number |
Average AGED/NON-DUAL CMS HCC risk scoreAVG_RISK_SCORE_AGND | Final, mean prospective CMS-HCC risk score for assignable beneficiaries in AGED/NON-DUAL enrollment type in the county, based on the applicable risk adjustment model for that year, renormalized so that the mean national FFS risk score for the assignable AGED/NON-DUAL population equals 1.0. See parameters and notes for further details. | number |
Average AGED/NON-DUAL Demographic Risk ScoreAVG_DEMOG_SCORE_AGND | Final, mean demographic risk score for assignable beneficiaries in AGED/NON-DUAL enrollment type in the county, based on the applicable risk adjustment model for that year, renormalized so that the mean national FFS risk score for the assignable AGED/NON-DUAL population equals 1.0. See parameters and notes for further details. | number |
AGED/NON-DUAL person-yearsPERSON_YEARS_AGND | Number of assignable beneficiaries with AGED/NON-DUAL enrollment type in the county, adjusted for the total number of months that each beneficiary was classified as AGED/DUAL and was enrolled in Part A and Part B and was not enrolled in a Medicare Group Health Plan. See parameters and notes for further details. | number |
No column matches that filter.
At a glance
- Catalog
- data.cms.gov
- Publisher
- Office of Enterprise Data and Analytics (OEDA)
- Rows
- 3,226
- Columns
- 21
- State column
STATE_NAME
API
Free, no key needed. This request returns the first 10 rows as JSON:
https://data.cms.gov/data-api/v1/dataset/5f9f1216-6fd9-455d-bfbc-0efade687a4e/data?size=10
To keep only one state, filter on the STATE_NAME column.
Versions 14
The newest version is the one linked above. Older releases stay on the official site.
- 2025-01-01posted Jul 14, 2026
- 2025-01-02oc1posted Jul 14, 2026
- 2024-01-04posted Jul 14, 2026
- 2024-01-05oc1posted Jul 14, 2026
- 2023-12-06posted Jul 14, 2026
- 2023-12-07oc1posted Jul 14, 2026
- 2022-12-10posted Jul 14, 2026
- 2022-12-11oc1posted Jul 14, 2026
Show 6 older versions
- 2022-12-12oc2posted Jul 14, 2026
- 2021-01-08posted Jul 14, 2026
- 2021-01-09oc1posted Jul 14, 2026
- 2021-01-10oc2posted Jul 14, 2026
- 2020-01-04posted Jul 14, 2026
- 2019-01-04posted Jul 14, 2026
CMS's description
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.
Methodology and other documents from CMS:
The summary at the top is the first sentence of this description. Record id cms:5f9f1216-6fd9-455d-bfbc-0efade687a4e. This record as JSON.