Obligated to make all of his/her referrals for all healthcare services and supplies (including without limitation physician services, hospital services [inpatient and outpatient], home care services, pharmaceuticals and laboratory services) to entities owned, in whole or part or controlled by the health system, its affiliates, partners or joint venture partners or designated affiliated practitioners. This innovative approach by AHN+Highmark ensures a stable and robust health care system that provides top-notch care, supported by 16 hospitals, over 250 healthcare facilities, and 3,000+ physicians.