Dr. Cheng graduated first in her class in 1994 from Beijing Medical University (AKA Peking University Health Science Center). She completed her internal medicine residency and gastroenterology fellowship training at the State University of New York at Buffalo. Dr. Cheng is board certified in internal medicine and gastroenterology. She is a member of American Gastroenterological Association, American Society for Gastrointestinal Endoscopy and American College of Gastroenterology. Dr. Cheng is dedicated to provide high quality consultative services in gastroenterology and liver disease, as well as comprehensive endoscopic procedures including colonoscopy, upper endoscopy and capsule endoscopy. She understands the unique needs of female patients and is fluent in Mandarin. She has been practicing gastroenterology in the bay area since 2006.