John E. Mason, M.D. grew up in Los Angeles, CA. He attended the University of California in Santa Barbara, CA for undergraduate studies. He then came to St. Louis and attended Washington University School of Medicine. He began his surgical internship at St. Louis Children’s Hospital and completed his surgical residency at Barnes-Jewish Hospital, Washington University School of Medicine. He is board certified in Surgery by the American Board of Surgery.
He started in private practice August, 2002 at St. Luke’s Hospital in Chesterfield, MO.