BACK TO PROVIDERS Mark Williams, M.D. Medical Doctor Internal Medicine Growing up in East Tennessee, Dr. Williams came to Johnson City Internal Medicine in 1995. After receiving a B.S. in Microbiology from East Tennessee State University he obtained his Doctor of Medicine from the University of Tennessee College of Medicine. Upon completion of his residency in Internal Medicine in Memphis, Dr. Williams came back east joining JCIM. He holds professional memberships to the American Medical Association and the Christian Medical/Dental Society. Education University of Tennessee College of Medicine Johnson City Internal Medicine 301 Med Tech ParkwayJohnson City, TN 37604 Monday – Friday, 8:00am – 4:30pm Schedule an appointment: (423) 794-5520