Mark A. Peterson, M.D., specializes in the diagnosis and treatment of mobility problems resulting from sports related injuries of the knee and shoulder. Dr. Peterson is board-certified in orthopaedic surgery with additional board certification in sports medicine by the American Board of Orthopedic Surgery. He has served as Chief of Surgery at Shady Grove Hospital and as a member of the Hospital’s Board of Trustees. He is active on the Shady Grove Hospital’s Credentialing Committee as well.