This report provides timely and relevant insights about the state of the market for Medicare Shared Savings Programs (MSSPs) that are structured as accountable care organizations (ACOs). Over the last decade, ACOs have emerged as a major force in the way healthcare is delivered in this country. The ACO model, comprised of doctors, hospitals, and other healthcare providers, aims to provide a structure for better coordinated, more efficient care and, by doing so, reduce overall healthcare expenditures. In our analysis, we discuss:

• The MSSP ACO market 
• Discussion of gross savings rates 
• Further observations on gross savings rates