Dr. Mark W Li is a California state licensed medical doctor, specializing in Gastroenterology. Graduated Magna Cum Laude from University of Illinois College of Medicine at Chicago, completed residency training in Edward Hines Jr VA Hospital , and completed the Gastroenterology specialist training at Lahey Clinic. Dr. Li currently is working at Optum Care, located in 2440 S. Hacienda Blvd #105 Hacienda Heights CA 91745 Please call +1-626-960-0527 to contact. Access cdoc101.com on a desktop computer to view more details. | |||