These areas are among his clinical interests: immunodeficiency, allergic contact dermatitis, and drug allergy. Dr. Canfield is professionally affiliated with ColumbiaDoctors. Aetna EPO, POMCO, and Blue Cross/Blue Shield are among the insurance carriers that Dr. Canfield takes. He has an open panel. After completing medical school at Columbia University, College of Physicians and Surgeons, Dr. Canfield performed his residency at New York-Presbyterian Hospital and Columbia University Medical Center. He has received the following distinctions: Fellow, Glenda Garvey Teaching Academy; Present Fellow, Glenda Garvey Teaching Academy; and Medical Chief Resident. In addition to English, Dr. Canfield speaks Spanish.