Dr. Mark Christopher Porte Dr. Mark Christopher Porte Suite LL2 1 Quarry Ridge Road Barrie ON L4M 7G1 Phone: 705 739 1233 Fax: 705 739 1003 Barrie Surgeons Ontario Surgeons Joint Replacements Surgical Wait Times Spinal Clinics National Surgeon Directory Canadian Surgeons Abroad Non-Surgical Treatment Private Surgery Surgical Wait Times Joint Replacements Spinal Clinics