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Accountable Care Organizations

Published by Centers for Medicare & Medicaid Services | U.S. Department of Health & Human Services | Metadata Last Checked: February 06, 2026 | Last Modified: 2026-02-04
The Accountable Care Organizations (ACOs) data provides information on ACOs participating in the Medicare Shared Savings Program (Shared Savings Program), including their name, track status, number of years in the program, and contact information for key personnel.

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Complete Metadata
@type dcat:Dataset
accessLevel public
accrualPeriodicity R/P1Y
bureauCode 
                                            [
  "009:38"
]
contactPoint 
                                            {
  "fn": "Shared Savings Program - CM",
  "@type": "vcard:Contact",
  "hasEmail": "mailto:SharedSavingsProgram@cms.hhs.gov"
}
dataQuality 
                                            true
describedBy https://data.cms.gov/resources/acos-data-dictionary
description The Accountable Care Organizations (ACOs) data provides information on ACOs participating in the Medicare Shared Savings Program (Shared Savings Program), including their name, track status, number of years in the program, and contact information for key personnel.
distribution 
                                            [
  {
    "@type": "dcat:Distribution",
    "title": "Accountable Care Organizations : 2026-01-01",
    "mediaType": "text/html",
    "description": "latest",
    "downloadURL": "https://data.cms.gov/data-api/v1/dataset/69ec2609-5ce5-4ce1-b14c-1f8809fda2c2/data"
  },
  {
    "@type": "dcat:Distribution",
    "title": "Accountable Care Organizations : 2021-01-11",
    "mediaType": "text/html",
    "downloadURL": "https://data.cms.gov/data-api/v1/dataset/0ece71c6-1112-47b3-8f7a-5385087e7041/data"
  },
  {
    "@type": "dcat:Distribution",
    "title": "Accountable Care Organizations : 2024-01-24",
    "mediaType": "text/html",
    "downloadURL": "https://data.cms.gov/data-api/v1/dataset/20091eb2-c18b-4f38-8758-c00e300124db/data"
  },
  {
    "@type": "dcat:Distribution",
    "title": "Accountable Care Organizations : 2020-01-07",
    "mediaType": "text/html",
    "downloadURL": "https://data.cms.gov/data-api/v1/dataset/37bec819-7143-4b81-b3e0-d2d74b2a9ea1/data"
  },
  {
    "@type": "dcat:Distribution",
    "title": "Accountable Care Organizations : 2015-12-31",
    "mediaType": "text/html",
    "downloadURL": "https://data.cms.gov/data-api/v1/dataset/3a6aa76e-996a-4440-a4ad-b8c441b185e7/data"
  },
  {
    "@type": "dcat:Distribution",
    "title": "Accountable Care Organizations : 2014-12-31",
    "mediaType": "text/html",
    "downloadURL": "https://data.cms.gov/data-api/v1/dataset/3ad5bcaf-8818-48b1-b94d-ef6faf26e297/data"
  },
  {
    "@type": "dcat:Distribution",
    "title": "Accountable Care Organizations : 2018-01-01",
    "mediaType": "text/html",
    "downloadURL": "https://data.cms.gov/data-api/v1/dataset/3b8bd4de-3e42-4cf2-9a88-b156a261d572/data"
  },
  {
    "@type": "dcat:Distribution",
    "title": "Accountable Care Organizations : 2016-12-31",
    "mediaType": "text/html",
    "downloadURL": "https://data.cms.gov/data-api/v1/dataset/50a58526-8cf0-4f91-93ec-3712e73d559c/data"
  },
  {
    "@type": "dcat:Distribution",
    "title": "Accountable Care Organizations : 2026-01-01",
    "mediaType": "text/html",
    "downloadURL": "https://data.cms.gov/data-api/v1/dataset/537f0719-3416-41d9-a951-b1ddc145de81/data"
  },
  {
    "@type": "dcat:Distribution",
    "title": "Accountable Care Organizations : 2019-01-01",
    "mediaType": "text/html",
    "downloadURL": "https://data.cms.gov/data-api/v1/dataset/58ce66bf-aeae-499b-a3af-7607e9d6b052/data"
  },
  {
    "@type": "dcat:Distribution",
    "title": "Accountable Care Organizations : 2019-07-31oc1",
    "mediaType": "text/html",
    "downloadURL": "https://data.cms.gov/data-api/v1/dataset/8a5f2a5a-f897-4a78-b38f-c2c74a532e25/data"
  },
  {
    "@type": "dcat:Distribution",
    "title": "Accountable Care Organizations : 2025-02-01",
    "mediaType": "text/html",
    "downloadURL": "https://data.cms.gov/data-api/v1/dataset/a9a1e2c7-a5be-46fc-b9ff-ea1c9c861263/data"
  },
  {
    "@type": "dcat:Distribution",
    "title": "Accountable Care Organizations : 2022-01-01",
    "mediaType": "text/html",
    "downloadURL": "https://data.cms.gov/data-api/v1/dataset/b9d03601-1187-4c25-aca6-5754e88ba0cf/data"
  },
  {
    "@type": "dcat:Distribution",
    "title": "Accountable Care Organizations : 2017-01-01",
    "mediaType": "text/html",
    "downloadURL": "https://data.cms.gov/data-api/v1/dataset/bd0ce4bd-7306-4a0f-8cea-ba5c9e141cdd/data"
  },
  {
    "@type": "dcat:Distribution",
    "title": "Accountable Care Organizations : 2023-01-13",
    "mediaType": "text/html",
    "downloadURL": "https://data.cms.gov/data-api/v1/dataset/ea96c3ef-0dcb-4549-9866-03f087e81a5d/data"
  },
  {
    "@type": "dcat:Distribution",
    "title": "Accountable Care Organizations : 2014-12-31",
    "mediaType": "text/csv",
    "downloadURL": "https://data.cms.gov/sites/default/files/2021-12/11dec6a7-c9fb-4cc9-aae7-aa1194e7639c/SSP_ACOs_2014_12_31.csv"
  },
  {
    "@type": "dcat:Distribution",
    "title": "Accountable Care Organizations : 2021-01-11",
    "mediaType": "text/csv",
    "downloadURL": "https://data.cms.gov/sites/default/files/2021-12/6cc12953-b350-4f7e-900d-bc12a233f965/SSP_ACOs_2021_01_01.csv"
  },
  {
    "@type": "dcat:Distribution",
    "title": "Accountable Care Organizations : 2015-12-31",
    "mediaType": "text/csv",
    "downloadURL": "https://data.cms.gov/sites/default/files/2022-01/219ca4d1-14e5-4a10-b343-c721b13f3759/SSP_ACOs_2015_12_31.csv"
  },
  {
    "@type": "dcat:Distribution",
    "title": "Accountable Care Organizations : 2019-07-31oc1",
    "mediaType": "text/csv",
    "downloadURL": "https://data.cms.gov/sites/default/files/2022-01/689a83dc-777a-4d49-8a61-96cd5fbd4962/SSP_ACOs_2019_07_31.csv"
  },
  {
    "@type": "dcat:Distribution",
    "title": "Accountable Care Organizations : 2020-01-07",
    "mediaType": "text/csv",
    "downloadURL": "https://data.cms.gov/sites/default/files/2022-01/89c51763-b263-4e85-bf5a-f8766b003821/SSP_ACOs_2020_01_07.csv"
  },
  {
    "@type": "dcat:Distribution",
    "title": "Accountable Care Organizations : 2022-01-01",
    "mediaType": "text/csv",
    "downloadURL": "https://data.cms.gov/sites/default/files/2022-01/fde5bb56-71d9-4022-b78c-c1ebe12e8c65/SSP_ACOs_2022_01_01.csv"
  },
  {
    "@type": "dcat:Distribution",
    "title": "Accountable Care Organizations : 2016-12-31",
    "mediaType": "text/csv",
    "downloadURL": "https://data.cms.gov/sites/default/files/2022-03/283f0f28-b317-4ccb-9ea8-b17fb9706376/SSP_ACOs_2016_12_31.csv"
  },
  {
    "@type": "dcat:Distribution",
    "title": "Accountable Care Organizations : 2017-01-01",
    "mediaType": "text/csv",
    "downloadURL": "https://data.cms.gov/sites/default/files/2022-03/8a2000c2-2fb1-4287-a3a3-0b815610488a/SSP_ACOs_2017_01_01.csv"
  },
  {
    "@type": "dcat:Distribution",
    "title": "Accountable Care Organizations : 2018-01-01",
    "mediaType": "text/csv",
    "downloadURL": "https://data.cms.gov/sites/default/files/2022-03/b880777c-f2ea-4078-b73d-ab1c78b18827/SSP_ACOs_2018_01_01.csv"
  },
  {
    "@type": "dcat:Distribution",
    "title": "Accountable Care Organizations : 2019-01-01",
    "mediaType": "text/csv",
    "downloadURL": "https://data.cms.gov/sites/default/files/2022-03/f3907545-2a66-4670-ba24-e7da1dff1c30/SSP_ACOs_2019_01_01.csv"
  },
  {
    "@type": "dcat:Distribution",
    "title": "Accountable Care Organizations : 2023-01-13",
    "mediaType": "text/csv",
    "downloadURL": "https://data.cms.gov/sites/default/files/2023-01/8b758697-8deb-4019-8a56-8871e990e3b2/SSP_ACOs_2023_01_01.csv"
  },
  {
    "@type": "dcat:Distribution",
    "title": "Accountable Care Organizations : 2024-01-24",
    "mediaType": "text/csv",
    "downloadURL": "https://data.cms.gov/sites/default/files/2024-01/27e459f5-4828-4cea-8a4f-a1d37381fcf6/PY2024_Medicare_Shared_Savings_Program_Organizations.csv"
  },
  {
    "@type": "dcat:Distribution",
    "title": "Accountable Care Organizations : 2025-02-01",
    "mediaType": "text/csv",
    "downloadURL": "https://data.cms.gov/sites/default/files/2025-05/25733506-81c6-41f7-8ca0-e0b55d91a339/py2025_medicare_shared_savings_program_organizations.csv"
  },
  {
    "@type": "dcat:Distribution",
    "title": "Accountable Care Organizations : 2026-01-01",
    "mediaType": "text/csv",
    "downloadURL": "https://data.cms.gov/sites/default/files/2026-01/f27efe77-8789-4190-858a-75e333dbca98/PY2026_Medicare_Shared_Savings_Program_Organizations_no%20extra%20space.csv"
  }
]
identifier https://data.cms.gov/data-api/v1/dataset/69ec2609-5ce5-4ce1-b14c-1f8809fda2c2/data-viewer
issued 2025-12-09
keyword 
                                            [
  "accountable care organizations",
  "coordinated care",
  "medicare",
  "original medicare",
  "payment models",
  "value-based care"
]
landingPage https://data.cms.gov/medicare-shared-savings-program/accountable-care-organizations
language 
                                            [
  "en-US"
]
license https://www.usa.gov/government-works
modified 2026-02-04
programCode 
                                            [
  "009:000"
]
publisher 
                                            {
  "name": "Centers for Medicare & Medicaid Services",
  "@type": "org:Organization"
}
references 
                                            [
  "https://data.cms.gov/resources/acos-aco-participants-and-snf-affiliates-methodology"
]
temporal 2014-01-01/2026-12-31
theme 
                                            [
  "Medicare"
]
title Accountable Care Organizations

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