Dr. Zhen is a licensed Gastroenterology in CA. Graduated in 1982. Medical degree obtained from Jilin, Norman Bethune Medical University in China. Completed residency training at Greater Baltimore Medical Center and fellowship training at Georgetown University. Currently practices at Redlands Community Hospital (Redlands Community Hospital), located at 7000 Boulder Ave, Highland, CA 92346. Dr. Zhen specializes in Abdominal Pain, Achalasia, Anemia, Celiac Disease, Chron's Disease, Colitis, Colon Diseases including Inflammatory Bowel Disease, Colon Cancer Prevention, Colon Screenings, Colonoscopies...... In addition to English, Dr. Zhen speaks Mandarin.