Kenneth J. Chang, MD
MASGE, AGAF, FACG, FJGES, FAFSExecutive Medical Director, Hoag Digestive Health Institute
Dr. Chang is a trailblazer in advanced endoscopy, creating innovative devices and techniques and bringing rare expertise in some of the most advanced procedures.
Dr. Chang completed his BS and MD at Brown University, before completing his internship and residency in general internal medicine at Rhode Island Hospital. He subsequently completed his fellowship in Gastroenterology and Hepatology at UC Irvine.
Gastroenterology
Specialized focus on the digestive system including the functions, disorders, and diseases of the esophagus, stomach, small intestine, colon, rectum, pancreas, gallbladder, bile ducts, and liver.
Advanced Endoscopy
Specialized endoscopic care that includes therapeutic and interventional endoscopic procedures for the treatment of complex gastrointestinal disorders.
Endoscopic Hepatology
Specialized field that uses advanced endoscopic techniques to diagnose, treat, and manage liver-related conditions.
Digestive Oncology
Specialized diagnostics and treatments for digestive cancers via minimally invasive endoscopic procedures.
Endoscopic Bariatrics
Minimally invasive, non-surgical endoscopic procedures for weight loss or revisions to prior bariatric surgery.
Patient Testimonial Carousel
"My life has been extended. I don’t know what would have happened had I not gone to Dr. Chang at the Digestive Health Institute. My life changed because of him. For sure."
Awards & Accolades
2022 American Foregut Society Distinguished Service Award Recipient
2022 American Society for Gastrointestinal Endoscopy (ASGE) Master Endoscopist Award Recipient
2024 James & Pamela Muzzy Executive Medical Director Endowed Chair in GI Cancer
2024 Best Doctors of America
2021 Orange County Business Journal Innovator of the Year
2023 OC Medical Association Southern California Super Doctor, Physician of Excellence
Media Spotlight
Program Leadership
Four Centers of Excellence
Hoag Digestive Health Institute
Weight & Metabolism, Heartburn & Foregut, Colon & IBD Health and Digestive Oncology—are designed to deliver specialized care that meets the unique needs of our patients.
More about this programLiver Program
Hoag Digestive Health Institute
From advanced diagnostics to novel treatments and groundbreaking clinical trials, patients have unique access to the most innovative and comprehensive therapies for any stage of liver disease.
More about this programColorectal Program
Hoag Digestive Health Institute
Offering advanced screening, surveillance, and treatment, our specialized team of world-class surgeons lead the nation in minimally invasive laparoscopic and robotic-assisted surgical volume.
More about this programEndoscopic Weight Loss Program
Hoag Digestive Health Institute
Hoag provides the full spectrum of weight management care, with the most comprehensive endoscopic and surgical bariatric care in Orange County.
More about this programAdvanced Endoscopy Program
Hoag Digestive Health Institute
Access the latest endoscopic diagnostics and interventional procedures for digestive disorders and diseases at one of the largest and most experienced advanced endoscopy programs in the Western US.
More about this program