Welcome to our practice specializing in the care of diseases of Esophagus, Stomach, Intestine, Colon, Liver, Gall Bladder, and Pancreas. We are strong advocates for preventive health care including Colon Cancer Screening. Our office is located in Mission Viejo, and our physician has staff privileges at the local hospitals in Mission Viejo and Laguna Hills. Pacific Gastroenterology Endoscopy Center is a State-of-the-Art Ambulatory Endoscopy Center located adjacent to our office in Mission Viejo. The endoscopic procedures performed at this center include diagnostic and therapeutic Upper Gastrointestinal Endoscopy (also called EGD) and Colonoscopy. Our team is comprised of highly trained health care professionals and dedicated staff. Dr. Chaurasia is a board certified gastroenterologist and has been in the field of gastroenterology for more than twenty years. He has served as the President of the Orange County Gastroenterology Society and serves on the clinical faculty at the University of California, Irvine.