Dr. Hahn completed his undergraduate studies at Sacramento State University and attended the California College of Podiatric Medicine in San Francisco where he received his doctorate of podiatric medicine degree. Dr. Hahn completed his surgical residency at the California Podiatry Hospital, in San Francisco, California. He received his degree as a doctor of naturopathic medicine from the national college of naturopathic medicine in Portland, Oregon. He is currently board certified in foot surgery by the American Board of Podiatric Surgery. Dr. Hahn has received certification in advance injection and radiowave sclerotherapy, and was certified by the American College for the Advancement of Medicine in IV chelation therapy. He is an active staff member of the Gresham Station Surgical Center, and has been appointed as an adjunct instructor in the Department of integrative medicine at the New York College of Podiatric Medicine.