Michael Sumida, MDBy / January 1, 2025 General Surgery Medical TrainingMedical SchoolUniversity of Kentucky College of Medicine ResidencyUniversity of Tennessee College of Medicine-Chattanooga Contact Information Dr. Ballay & Dr. Sumida General Surgeons 719 Cook Drive, Suite 109Athens, TN 37303 423-252-0288 423-453-5736 Location To navigate, press the arrow keys.