Dr. Doug Hansen, M.D. is the CEO and Medical Director of Altitude Family and Internal Medicine. Dr. Hansen earned his medical degree with honors at the University of Illinois College of Medicine and completed residency at St. Anthony Hospital in Denver. Dr. Hansen is the only triple board-certified Primary Care Physician, Clinical Lipidologist, and Nutrition Specialist in the United States. Dr. Hansen has been practicing in Denver since 1999, and serves as Professor of Medicine at the Univers