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    Endoscopic Weight Loss Program

    (949) 764-4624

    Bariatric Endoscopy

    Our team is comprised of multidisciplinary professionals committed to assisting you through your weight loss journey. The Hoag Endoscopic Weight Loss Program offers the highest quality patient care and the latest innovations in minimally invasive weight loss procedures with incredible outcomes from world-renowned physicians.

    Bariatric Endoscopy Team

    Jennifer Phan, MD

    Jennifer Phan, MD

    Medical Director, Hoag Irvine Advanced Endoscopy, Director of Bariatric Endoscopy, Gastroenterology

    Kenneth J. Chang, MD

    Kenneth J. Chang, MD

    James & Pamela Muzzy Executive Medical Director Endowed Chair in GI Cancer, Digestive Health Institute, Gastroenterology

    Phuong T. Nguyen, MD

    Phuong T. Nguyen, MD

    Medical Director of Hoag Advanced Endoscopy Center, Gastroenterology

    Obesity Medicine Physicians

    Diana W. Zhao, MD

    Diana W. Zhao, MD

    Endocrinologist/Obesity Medicine

    Clinical Support Professionals​

    • Nurse Practitioners

    • Physician Assistants

    • Registered Nurses

    • Bariatric Nurse Navigator

    • Registered Dietitians

    • Neuropsychologists/Psychologists/Licensed Clinical Social Workers

    • Exercise Physiologists and Physical Therapists

    Additional Specialty Areas​

    • Gastrointestinal

    • Cardiology

    • Sleep Center

    • Hepatology

    • Internal Medicine

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