Dr. David Charles Martin Dr. David Charles Martin Suite 102 93 Ontario Street St Catharines ON L2R 5J7 Phone: (905) 984-3433 Fax: (905) 984-4421 St. Catharines Surgeons Ontario Surgeons Joint Replacements Surgical Wait Times Back Pain National Surgeon Directory Non-Surgical Treatment Private Surgery Surgical Wait Times Joint Replacements Back Pain Orthopaedic Triage