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    • Number of Accountable Care Organization Assigned Beneficiaries by County

    Metadata Updated: November 6, 2025

    The Shared Savings Program Number of Accountable Care Organization Assigned Beneficiaries by County dataset provides aggregate data of total assigned beneficiaries by Shared Savings Program ACO for each county where at least one of their assigned beneficiaries resides. Assigned beneficiary person-year counts are based on certified Shared Savings Program ACO Participant Lists and assignment methodology for that performance year.

    Access & Use Information

    Public: This dataset is intended for public access and use. License: See this page for license information.

    Downloads & Resources

    References

    http://data.cms.gov/resources/number-of-accountable-care-organization-assigned-beneficiaries-by-county-methodology

    Dates

    Metadata Created Date October 7, 2025
    Metadata Updated Date November 6, 2025
    Data Update Frequency R/P1Y

    Metadata Source

    Harvested from Healthdata.gov

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date October 7, 2025
    Metadata Updated Date November 6, 2025
    Publisher Centers for Medicare & Medicaid Services
    Maintainer
    Identifier http://data.cms.gov/data-api/v1/dataset/ae8c9418-acc9-4442-b217-33291448f6b8/data-viewer
    Data First Published 2025-10-07
    Language en-US
    Data Last Modified 2025-11-05
    Category Medicare
    Public Access Level public
    Data Update Frequency R/P1Y
    Bureau Code 009:38
    Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
    Metadata Catalog ID https://healthdata.gov/data.json
    Schema Version https://project-open-data.cio.gov/v1.1/schema
    Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
    Data Quality True
    Data Dictionary http://data.cms.gov/resources/number-of-accountable-care-organization-assigned-beneficiaries-by-county-data-dictionary-2023
    Harvest Object Id e071dbaf-4329-4930-a679-119098d39e55
    Harvest Source Id 651e43b2-321c-4e4c-b86a-835cfc342cb0
    Harvest Source Title Healthdata.gov
    Homepage URL http://data.cms.gov/medicare-shared-savings-program/number-of-accountable-care-organization-assigned-beneficiaries-by-county
    License https://www.usa.gov/government-works
    Program Code 009:000
    Related Documents http://data.cms.gov/resources/number-of-accountable-care-organization-assigned-beneficiaries-by-county-methodology
    Source Datajson Identifier True
    Source Hash 217cb3be2cb611b48cb059ff0dc2b405457b2b6c5b747624034fc5c8f6e5ec2b
    Source Schema Version 1.1
    Temporal 2016-01-01/2023-12-31

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