Dr. David Benjamin Liang is a Gastroenterologist in Mount Vernon 98274, Mount Vernon WA and has an experience of 23 years in this field. Dr. David Benjamin Liang practices at Skagit Valley Hospital in Mount Vernon 98274, Mount Vernon WA and Skagit Regional Clinics - Mount Vernon in Mount Vernon 98274, Mount Vernon WA. He completed Residency in Internal Medicine from Ucla/va Greater Los Angeles in 2007,Molecular and Cell Biology from University of California - Berkeley in 1999 and Medical School from George Washington University School of Medicine & Health Sciences in 2003. He is a member of American Board of Internal Medicine (ABMS®) Certified in Gastroenterology,Member of the American Gastroenterological Association (AGA),American College of Gastroenterology - ACG,American Society for Gastrointestinal Endoscopy - ASGE and American Gastroenterological Association - AGA. Some of the services provided by the doctor are: Peptic Ulcer Disease,Dysphagia,Hepatitis a Screening,Intestinal Ulcer and esophageal and gastric diseases etc.