Inside the CY 2027 Medicare Shared Savings Program Overhaul: Track Rebalancing, Benchmark Guardrails, Part B Cost Sharing, and the ACO Operating Software Nobody Has Built Yet, Part 1 of 4

CMS dropped the CY 2027 Physician Fee Schedule proposed rule and buried inside it is the most consequential MSSP rewrite since Pathways to Success. Four changes every ACO operator needs to understand now. Thread.

In PY 2023, physician-led ACOs produced $319 in net per capita savings vs $180 for hospital-anchored orgs. Primary care-weighted ACOs hit $403 …