Dr. Geoffrey Francis Dervin Dr. Geoffrey Francis Dervin Ottawa General Hospital Suite W1638 501 Smyth Road Ottawa ON K1H 8L6 Phone: (613) 737-8081 Fax: (613) 737-8837 Ottawa Surgeons Ontario Surgeons Non-Operative Treatment Joint Replacements Surgical Wait Times Spine Clinics Rehab Protocols Rehab Exercises