BACK TO PROVIDERS James Hansen, M.D. Medical Doctor Internal Medicine The Boone, Iowa, native holds certification by the American Board of Internal Medicine in Internal, Pulmonary and Sleep Medicine. A graduate the University of Iowa, he received his Bachelor of Science in Chemistry before obtaining his Doctor of Medicine from Creighton University in 1986. Dr. Hansen joined the Johnson City Internal Medicine family in 1999. He is an American College of Chest Physicians Fellow. Education Creighton University Johnson City Internal Medicine 301 Med Tech ParkwayJohnson City, TN 37604 Monday – Friday, 8:00am – 4:30pm Schedule an appointment: (423) 794-5520