Type of managed care plan (HMO) that contracts with one or more medical groups to give medical services to members. Usually all services, except hospital care, are provided under one roof and physicians share equipment, records, and personnel. Physicians are paid a predetermined per member, per month amount called capitation . From the capitation fund, the physicians’ group pays its own physician members according to a prearranged schedule such as salary plus incentives. Also known as a prepaid group practice plan . Also see staff model .