| Dr. Hao Howard Zhang is a Ohio state licensed medical doctor, specializing in Gastroenterology. Graduated Magna Cum Laude from Case Western Reserve School of Medicine, completed residency training in UNC Health, and completed the Gastroenterology specialist training at UNC Health. Dr. Zhang currently is working at Trihealth, located in 379 Dixmyth Ave #300 Cincinnati OH 45220 | |||