Mark Siemer, DO

Dr. Mark Siemer, DO, is a Family Medicine, Sports Medicine, and Occupational Medicine physician at CommonSpirit Primary Care High Country Healthcare Silverthorne and CommonSpirit Center for Occupational Medicine (CCOM) Frisco. His mission for all his patients is to assist and guide them toward optimal health and human performance. He believes this is best achieved by making every encounter one in which each patient is an active participant in their healthcare. Dr. Siemer is board certified in Family Medicine, fellowship trained in Sports Medicine, and has specialty training in Occupational and Preventive Medicine. Outside of his practice, Dr. Siemer enjoys spending active time with his family, hiking, biking, swimming, running, participating in all winter sports, and traveling.