Digestive Associates-ohio 2405 N Columbus St # 260 Lancaster, OH 43130 Phone : (740) 654-8600 Business Category Physicians & Surgeons-Osteopathic Physicians & Surgeons-M.D. Physicians & Surgeons-Gastroenterology Practice Areas           Gastroenterology Services           Gallbladder, Liver Diseases Michael A Tzagournis Md 2405 N Columbus St # 260 Lancaster, OH 43130 Phone : (740) 654-8600 Business Category Physicians & Surgeons-M.D.