Dr. Matthews Mark S, Oral and Maxillofacial Surgery You are here Home > Oral Surgeons > Dr. Matthews Mark S, Oral and Maxillofacial Surgery Tweet Our address Address: 101-135 Ormond Street, Brockville, ON, K6V 5Y2 GPS: 44.5971885, -75.6831176 Telephone: 613 342-8344