Dr. Christopher John Osinga Dr. Christopher John Osinga 1300 Keith Ross Drive Oshawa ON L1H 7K4 Phone: (905) 721-4924 Fax: (905) 721-6679 National Surgeon Directory Surgical Wait Times Joint Replacements Private Surgery Back Pain Spinal Surgery Home Care Physio Emergency-Physio.com Orthopaedic Triage