Mark E. Mckeigue, DO is a family medicine doctor and primary care doctor who practices at Mark E. Mckeigue, DO Practice located at 10755 W 163rd Place in Orland Park, IL 60467 (Cook County). Dr. Mark E. Mckeigue has 15+ years of experience in family medicine. Education. Mark E. Mckeigue, DO earned a degree of a Doctor of Osteopathic Medicine..