Doc Tristan is a board-certified internist and gastroenterologist dedicated to helping patients understand their digestive health. He manages common gastrointestinal complaints—including acid reflux, dyspepsia, abdominal pain, diarrhea, constipation, hemorrhoids, gastrointestinal bleeding, and fatty liver disease—as well as more complex gastrointestinal, pancreaticobiliary, and liver conditions. He also performs upper and lower GI endoscopy for prevention, early detection, and treatment of digestive disorders, including cancer screening and the removal of premalignant lesions.