Surgery About Us Message from the Chair Department Values Life in Orange County Contact Us Education & Training Clerkships & Electives Surgery Residency Program Fellowship Programs Continuing Medical Education Research Innovation & Invention Impactful Research Clinical Trials Seed Grants Resources Divisions Cardiac Surgery Colon and Rectal Surgery Emergency General Surgery Gastrointestinal and Bariatric Surgery Hepatobiliary and Pancreas Surgery Pediatric General and Thoracic Surgery Surgical Oncology Thoracic Surgery Transplantation Surgery Trauma, Burns, Surgical Critical Care and Acute Care Surgery Vascular and Endovascular Surgery Clinical Expertise Faculty Faculty Home Research Research: Clinical Departments Surgery: Home Surgery: Faculty Department of Surgery Chair Ninh Nguyen, MD John E. Connolly Professor and Chair, Surgery Chief — Division of Gastrointestinal and Bariatric Surgery, Surgery Department of Surgery Faculty Thuy Tran, MD Assistant Professor — Division of Surgical Oncology, Surgery Assistant Director, UC Irvine Melanoma Center Valery C. Vilchez Parra, MD Assistant Professor — Division of Colon and Rectal Surgery, Surgery Annie Wang, MD Assistant Professor — Division of Gastrointestinal and Bariatric Surgery, Surgery Matthew D. Whealon, MD Assistant Professor — Division of Colon and Rectal Surgery, Surgery Associate Program Director, General Surgery Residency Maki Yamamoto, MD Associate Professor — Division of Surgical Oncology, Surgery Associate Program Director, General Surgical Residency Holly M Yong, MD Assistant Professor — Division of Surgical Oncology, Surgery Peter Yu, MD Assistant Professor — Division of Pediatric General and Thoracic Surgery, Surgery Site Director, General Surgery Residency Program at CHOC Catherine Zhu, MD Assistant Professor — Division of Colon and Rectal Surgery, Surgery Pagination First page « First Previous page ‹ Previous Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Current page 9