Dr. Christopher John Osinga Dr. Christopher John Osinga 1300 Keith Ross Drive Oshawa ON L1H 7K4 Phone: (905) 721-4924 Fax: (905) 721-6679 Oshawa 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