About Me

Dr. Nancy Han is a board-certified gastroenterologist who sees a broad range of patients with gastrointestinal and liver conditions. Dr. Han received her medical degree from The Ohio State University College of Medicine in Columbus, Ohio. She completed her internal medicine residency at Cedars-Sinai Medical Center in Beverly Hills, California. She then completed a fellowship in gastroenterology at Mayo Clinic in Scottsdale, Arizona. Dr. Han is board certified in gastroenterology.

Her practice includes general gastroenterology with interests in GERD, peptic ulcer disease, colorectal cancer screening, IBS, IBD, viral hepatitis, and fatty liver disease. Her clinical interests include hepatobiliary disease, liver disease, and IBD.

In addition to upper endoscopy and colonoscopy, Dr. Han has specialized training in capsule endoscopy, ambulatory pH testing and esophageal manometry.

Dr. Han enjoys spending time with her family and friends, particularly if the activities involve delicious food and travel.

Dr. Han is an active member of the American College of Gastroenterology (ACG), American Gastroenterological Association (AGA), and the American Society of Gastrointestinal Endoscopy (ASGE).

Areas of interest:
  • GERD
  • Colon Cancer Screening and Surveillance
  • IBS
  • IBD
  • Viral Hepatitis
  • Liver Disease
  • Cirrhosis Management
  • Hepatobiliary Disease
  • Capsule Endoscopy
  • Esophageal Manometry

English, Korean

Provider Specialty




Medical Education

Ohio State University College of Medicine in Columbus, Ohio

Internship and Residency

Cedars-Sinai Medical Center, Beverly Hills, CA

Fellowship - Gastroenterology

Mayo Clinic, Scottsdale, AZ

Locations & Affiliations


MemorialCare Medical Group - Orange Coast Medical Center (Health and Wellness Pavilion)

18035 Brookhurst Street

Suite 2100

Fountain Valley, CA

Office: (877) 696-3622

MemorialCare Medical Group - Irvine (Barranca)

4050 Barranca Parkway

Suite 200

Irvine, CA

Office: (877) 696-3622