pioneer aco model

The Centers for Medicare and Medicaid Services (CMS) recently released more detailed ACO-level data for participants in first two years of the Pioneer ACO Model. The program, which is designed for health systems with more experience assuming financial risk for patient populations, has generated savings and improvements in quality measures, but has also struggled to retain participants. The program began with 32 provider organizations; following a series of recent announcements there are now 19 total participants.