Get the WebMD Daily newsletter for health tips, wellness updates and more.
By clicking "Subscribe," I agree to the WebMD Terms and Conditions and Privacy Policy. I also agree to receive emails from WebMD and I understand that I may opt out of WebMD subscriptions at any time.
Dr. Christiansen graduated from the University of Oklahoma College of Medicine in 1967. Dr. Christiansen works in Norman, OK and specializes in Internal Medicine and Pulmonary Disease. Dr. Christiansen is affiliated with Norman Regional Health System.