14.3 million Medicare beneficiaries now in ACOs: 6 notes
CMS released participation data Feb. 4 for Medicare accountable care organizations in 2026, showing continued growth in enrollment and a record number of beneficiaries served by the Shared Savings Program. Six things to know: An estimated 14.3 million Medicare beneficiaries are receiving care coordinated by ACOs as of January 2026, up from 13.7 million in 2025, a…