Dr. Nancy Jeongsun Han, MD

Dr. Nancy Han is a gastroenterologist and internal medicine physician with 21 years of experience treating digestive health conditions. She earned her medical degree from Ohio State University College of Medicine & Public Health, where she developed her expertise in comprehensive gastrointestinal care. Dr. Han is fluent in Spanish and Vietnamese, allowing her to serve diverse patient communities.

Dr. Han practices at Orange Coast Memorial Medical Center and maintains locations throughout Fountain Valley, Fullerton, Anaheim, Huntington Beach, Newport Beach, and Orange, California. She specializes in diagnosing and treating colon polyps, hemorrhoids, and diverticular disease. Her procedural expertise includes performing colonoscopies, lower GI endoscopies, and upper GI endoscopies to help patients maintain optimal digestive health. Patients have given Dr. Han an average rating of 3.6 on Vitals.