Answer
Bill Mallon specializes in orthopedic surgery. Orthopedic surgery is the branch of medicine that deals with the diagnosis and treatment of injuries and disorders of the musculoskeletal system, which includes the bones, joints, ligaments, tendons, muscles, and nerves. Orthopedic surgeons perform a variety of procedures, including surgery to repair or replace damaged joints, surgery to treat fractures, and surgery to remove tumors or other abnormalities.