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). 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. Its population health solutions (PHS) services are designed to enable healthcare providers to manage the health of a defined patient population by identifying various individuals. Its RCM service offering consists of integrated technology and RCM services for a spectrum of revenue cycle operational issues faced by healthcare providers. Its PAS offering provides care billing classification reviews, as well as retrospective chart audits to assist hospitals in billing payers for selected services.