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    • Accountable Care Organization Participants

    Metadata Updated: February 5, 2026

    The Accountable Care Organization (ACO) Participants data presents overview information on ACO participants in the Medicare Shared Savings Program (Shared Savings Program), including their name, track status, number of years in the program, and contact information of key personnel.

    Access & Use Information

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

    Downloads & Resources

    References

    https://data.cms.gov/resources/acos-aco-participants-and-snf-affiliates-methodology

    Dates

    Metadata Created Date January 25, 2022
    Metadata Updated Date February 5, 2026
    Data Update Frequency R/P1Y

    Metadata Source

    Harvested from Healthdata.gov

    Other Data Resources

    Additional Metadata

    Resource Type Dataset
    Metadata Created Date January 25, 2022
    Metadata Updated Date February 5, 2026
    Publisher Centers for Medicare & Medicaid Services
    Maintainer
    Identifier https://data.cms.gov/data-api/v1/dataset/9767cb68-8ea9-4f0b-8179-9431abc89f11/data-viewer
    Data First Published 2025-12-09
    Language en-US
    Data Last Modified 2026-02-04
    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 https://data.cms.gov/resources/aco-participants-data-dictionary
    Harvest Object Id b9c09539-ceda-4380-afd9-17f40637697e
    Harvest Source Id 651e43b2-321c-4e4c-b86a-835cfc342cb0
    Harvest Source Title Healthdata.gov
    Homepage URL https://data.cms.gov/medicare-shared-savings-program/accountable-care-organization-participants
    License https://www.usa.gov/government-works
    Program Code 009:000
    Related Documents https://data.cms.gov/resources/acos-aco-participants-and-snf-affiliates-methodology
    Source Datajson Identifier True
    Source Hash ec848167dac95cb8848d57bd8edd5eb1f27bb10da2c0178a3c11a28454038ca2
    Source Schema Version 1.1
    Temporal 2014-01-01/2026-12-31

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