Zheng, Johnny Ting, M.D.
Gastroenterology

The Oregon Clinic

9701 SW Barnes Rd
Portland OR 97225
Phone: 503-297-8081
Fax: 503-292-6601
Colon Cancer Screening & Prevention£¬ Gastroesophageal Reflux Disease (GERD)£¬ Barrett¡¯s Esophagus Treatment£¬Esophageal & Gastrointestinal Motility Disorders£¬Celiac Disease...