Who we are‚ Trinity Health System provides care to a service area of just over 200,000 individuals. Trinity is accredited by the Joint Commission on the Accreditation of Hospitals, a member of the American Hospital Association, Voluntary Hospitals of America and the Catholic Hospital Association. The system offers a full array of acute and outpatient services on two campuses. Trinity also maintains physician offices, Walk-in Lab Draw facilities the Tony Teramana Cancer Center, WorkCare and the Digestive and Nutrition Center throughout the Tri-State area.