Dr. Biehl grew up in Detroit, Michigan. He earned a BA in Economics at the University of Notre Dame before completion of his medical degree at Georgetown University, Internal Medicine residency and chief residency at Northwestern University, and his Pulmonary/Critical Care fellowship at the University of Colorado. He was on faculty at the Michigan State University College of Human Medicine after completing training before returning to Denver to join the staff at CPA and Presbyterian/St. Luke’s Medical Center. He is board-certified in Internal Medicine, Pulmonary Medicine, and Critical Care Medicine.