Dr. David Nathan Wasserstein Dr. David Nathan Wasserstein Sunnybrook Health Sciences Centre Division of Orthopaedic Surgery MG323 2075 Bayview Avenue Toronto ON M4N 3M5 Phone: 416-480-5798 Fax: 416-480-5886 Toronto Surgeons Ontario Surgeons National Surgeon Directory Non-Surgical Treatment Private Surgery Surgical Wait Times Joint Replacements Back Pain Orthopaedic Triage