Dr. Fiedler is a native of Lincoln, Nebraska where he attended Pius X High School and The University of Nebraska. He received his M.D. from The University of Nebraska Medical Center. Dr. Fiedler completed his residency and fellowship training at The University of Texas Health Science Center at San Antonio, where he also served as medical director for a local sleep laboratory.Dr. Fiedler is board certified in the specialties of internal medicine, pulmonary disorders, critical care medicine, and sleep disorders. He is a member of the American College of Chest Physicians, the American Academy of Sleep Medicine, Nebraska Medical Association, and the Lancaster County Medical Society.