Trinity Professional Group, a Medical Group Practice located in Steubenville, OH ... Accepting New Patients: Yes. Medicare Accepted: Yes. Medicaid Accepted: Yes. Physicians at this location ... Family Medicine, Nurse Practitioner; Trinity Professional Group. 401 Market St Ste 200 Steubenville, OH 43952 (740) 282-5000. Monday : 8:00 AM - 4:30 PM ....