Dr. Mayo graduated from University of Minnesota Medical School in 1983 and has been in practice for 34 years. He completed a residency at Mayo Clinic and Medical School. He currently practices at Joseph Graham Mayo Iii MD and is affiliated with St Jude Medical Center. Dr. Mayo accepts multiple insurance plans including Aetna, Medicare and Humana. Dr. Mayo also practices at Cape Thoracic & Cardiovascular Surgery in Cape Girardeau, MO.