BACK TO PROVIDERS James Baker, M.D. Medical Doctor Rheumatology Dr. Baker joined MSJC in 2011. He is a graduate of the University of South Carolina School of Medicine and previously owned a rheumatology practice in Sparta, Tennessee. Dr. Baker treats adults and older adolescents with different types of arthritis and other rheumatic diseases, such as lupus and connective tissue disease. Education University of South Carolina School of Medicine Medical Specialists of Johnson City 303 Med Tech ParkwayJohnson City, TN 37604 Rheumatology: Suite 200 (second floor) Office Hours: Monday – Friday, 8:00 am–5:00 pm Lab Hours: Monday – Friday, 8:30 am–4:30 pm Schedule an appointment: (423) 794-3040