Dr. Sun is a licensed Gastroenterology in IL. Graduated in 1983. Medical degree obtained from Shanghai, Shanghai Jiaotong Univ. Sch of Med in China. Completed residency training at Marshall University and fellowship training at University of Michigan. Currently practices at Ascension Medical Group (Ascension Medical Group), located at 745 Fletcher Dr, Elgin, IL 60123. Dr. Sun specializes in gastrointestinal motility issues and functional bowel disease.. In addition to English, Dr. Sun speaks Mandarin.