R1 RCM Inc., formerly Accretive Health, Inc., is a provider of revenue cycle services to healthcare providers. The Company offers revenue cycle management (RCM) service and physician advisory services (PAS). The Company operates through the business of providing end-to-end management services of revenue cycle operations for the United States-based hospitals and other medical providers segment. It also offers modular services, allowing clients to engage in specific components of its RCM service offering. Its customers are single or multi-hospital healthcare systems, including faith-based healthcare systems, community healthcare systems, academic medical centers and their affiliated ambulatory clinics, and physician practice groups. The Company's population health solutions (PHS) services are designed to enable healthcare providers to manage the health of a defined patient population by identifying various individuals. The Company utilizes the R1 Performance Stack.