Accountable Care Organizations

Published by Centers for Medicare & Medicaid Services | U.S. Department of Health & Human Services | Metadata Last Checked: December 09, 2025 | Last Modified: 2025-09-10

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

bureauCode	[ "009:38" ]
dataQuality	true
describedBy	https://data.cms.gov/resources/acos-data-dictionary-2025
identifier	https://data.cms.gov/data-api/v1/dataset/69ec2609-5ce5-4ce1-b14c-1f8809fda2c2/data-viewer
issued	2025-12-09
landingPage	https://data.cms.gov/medicare-shared-savings-program/accountable-care-organizations
language	[ "en-US" ]
programCode	[ "009:000" ]
references	[ "https://data.cms.gov/resources/acos-aco-participants-and-snf-affiliates-methodology" ]
temporal	2014-01-01/2025-12-31
theme	[ "Medicare" ]