Approximately 50% of surveyed Medicare accountable care organizations (ACOs) say they are moderately likely, or very likely, to exit an existing Medicare and Medicare Shared Savings Program (MSSP) if they are required to take on downside risk. Starting July 1, 2019, the Centers for Medicare & Medicaid Services (CMS) will launch the new “Pathways to Success” rule that limit how long ACOs can participate in the program without downside risk. Under the new “Pathways to Success” rules, ACOs will be able to participate in the program without downside risk for only two years. Physician-led ACOs considered “low revenue” ACOs . . .