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Roy D. Yen, MD

Assistant Professor of Medicine


Assistant Professor of Medicine


  • Medical School: New York University School of Medicine, 1996
  • Internship: Internal Medicine, Harbor/UCLA Medical Center, 1996-1997
  • Residency: Internal Medicine, Harbor/UCLA Medical Center, 1997-1999
  • Fellowship: Hepatology and Liver Transplantation, Mayo Clinic Jacksonville, 2004-2005
  • Fellowship: Gastroenterology, University at Buffalo, the State University of New York, 2005-2008
  • Fellowship: Therapeutic Endoscopy, University of Colorado, Denver, 2008-2009
  • Graduate School: University of Colorado School of Public Health

Faculty Appointments

  • Assistant Professor of Medicine, Division of Gastroenterology and Hepatology, University of Colorado Denver (UCD). 2009- present

Research Interests

Role of therapeutic endoscopy including ERCP and EUS in treatment of pancreaticobiliary diseases, novel endoscopic imaging techniques, biostatistical methods for modeling endoscopic outcomes

Representative Publications

  1. Yen RD, Dekovich A, Chen YK, Shah RJ, Brauer BC, Ringold DA, Fukami N, "Frequency and risk factors of esophageal stricture after endoscopic mucosal resection (EMR) for Barrett's Esophagus (BE) with high-grade dysplasia (HGD) or adenocarcinoma(CA);" Gastrointestinal Endoscopy, 2009; 69(5): AB342. (click here for pdf)

  2. Yen RD, Burton JR, Ringold DA, Chen YK, Fukami N, Brauer BC, Shah RJ, "Anastomotic Strictures in Patients Undergoing Liver Transplantation for Chronic Hepatitis C Virus;" Gastroenterology, 2009; 136(5): A812. (click here for pdf)

  3. Yen RD, Pomakov O, Sitrin M, "Relationship of Proximal Hyperplastic Polyps to Synchronous Adenomas on Screening Colonoscopy;" Gastroenterology, 2008; 134(4): A486. (click here for pdf)

  4. Yen RD, Prabhu P, Mahl T, "The Effect of Statins on PEG-Interferon/Ribavirin Treatment in Patients with Chronic HCV;" American Journal of Gastroenterology, 2007; 102(S2): S217.

  5. Yen RD, Dickson RC, "Case Report of Lamivudine Resistant Hepatitis B Virus Infection Post Liver Transplantation from a Hepatitis B Core Antibody Donor;" American Journal of Transplantation, 2006; 6(5): 1077-1083. (click here for pdf)

  6. Wu J, Yen RD, Zern MA, "Liposome-Mediated Extracellular Superoxide Dismutase Gene Delivery Protects Against Acute Liver Injury in Mice;" Hepatology, 2004; 40(1): 195-204. (click here for pdf)

  7. Yen RD, Zern MA, Wu J, Nov 2005, Trends in Chemotherapy Research: "Molecular Therapy for Hepatic Fibrosis"; Nova Science Publishers, Inc., New York, USA. Margaret Weber, Editor. ISBN 1-59454-353-4.