Dr. Paul Howard Marks Dr. Paul Howard Marks Sunnybrook Health Sciences Centre M G 350 2075 Bayview Avenue Toronto ON M4N 3M5 Phone: (416) 480-6838 Fax: (416) 480-6840 Toronto Surgeons Ontario Surgeons National Surgeon Directory Canadian Surgeons Abroad Non-Surgical Treatment Private Surgery Surgical Wait Times Joint Replacements Spinal Clinics