Over Half Of FFS Medicare Members Enrolled In ACO Arrangements

A total of 53.4%, of Medicare fee-for-service (FFS) beneficiaries receive care from an accountable care organization (ACO), representing 14.8 million beneficiaries. This includes those whose provider organizations are in ACOs, including the Medicare Shared Savings Program ACOs, entities participating in Center for Medicare and Medicaid Innovation (Innovation Center) accountable care models, and other Innovation Center value-based models focused on total cost of care, advanced primary care, and specialty care. The share of FFS beneficiaries receiving care from an ACO increased by 4.3% between 2024 and 2025. By 2030, CMS seeks to have all FFS . . .