Part of F.F. Thompson Hospital . Thompson Health Canandaigua Medical Group practice OB/GYN • Pediatrics • Adult Medicine. In our Canandaigua building we also offer OB/GYN ultrasound, as well as a Lab Draw Station and a Pharmacy with drive thru convenience.. This multi-specialty medical practice is committed to providing the highest quality, comprehensive health care to its patients.Internal Medicine‧Obstetrics and Gynecology‧Pediatrics‧Canandaigua Family Practice‧Family Practice Patient Portal‧Find a Doctor.