Dr. Tieng is a licensed Gastroenterology in CA. Medical degree obtained from SUNY Downstate College of Medicine. Completed residency training at Long Island Jewish Medical Center and fellowship training at Long Island Jewish Medical Center. Currently practices at Andrea Tieng MD (Andrea Tieng MD), located at 10801 Foothill Blvd, Rancho Cucamonga, CA 91730. Dr. Tieng specializes in Colonoscopy, Upper Endoscopy, Upper Endoscopy and Upper Endoscopy.. In addition to English, Dr. Tieng speaks Cantonese and accepts new patients.
