The Gabriola Medical Clinic is owned and operated by Dr. Tracey Thorne Inc. and Dr. Maciej Mierzewski Inc. View larger map 695 Church St. Gabriola Island, B.C. V0R 1X3 250-247-9922 Gabriola Medical Clinic Fax: 250-247-9162 Hours of Operation Monday - Friday: 9 a.m. - 5 p.m. By appointment only.