Accountable Care Organizations (ACOs)

ACOs are groups of doctors, hospitals, and other health care providers, who come together voluntarily to give coordinated high quality care to the Medicare patients they serve. Coordinated care helps ensure that patients, especially the chronically ill, get the right care at the right time, with the goal of avoiding unnecessary duplication of services and preventing medical errors. When an ACO succeeds in both delivering high-quality care and spending health care dollars more wisely, it will share in the savings it achieves for the Medicare program.  



Video: Accountable Care Organizations provide coordinated care and chronic disease management while lowering costs. In this video clip, learn more about the Pioneer ACO Model and hear directly from the health care professionals making this care possible.


ACO Programs

Medicare offers several ACO programs, including:


General information on ACOs can also be found at and this ACO Fact Sheet.