Venkataraman R. Muthusamy

Raman Muthusamy, MD, MAS

Primary Location
Pfleger Liver Institute & General Surgery
200 Medical Plaza
Los Angeles, California 90095


Credentialed Name: Venkataraman R. Muthusamy


  • Advanced Endoscopy Fellowship, University of California, Irvine: 2000-2001

Academic/Professional Titles

  • Medical Director of Endoscopy, UCLA Health
  • Professor of Clinical Medicine, Vatche and Tamar Manoukian Division of Digestive Diseases David Geffen School of Medicine at UCLA

Dr. Muthusamy is recognized as a leader in advanced endoscopic procedures. His clinical research interests focus on the evaluation of existing and new endoscopic technologies for the diagnosis and treatment of digestive disorders. They include endoscopic ablative techniques for Barrett's esophagus with dysplasia and early esophageal adenocarcinoma, clinical applications of endoscopic ultrasound (EUS) with a particular focus on EUS-guided tissue acquisition, assessment of new endolumenal stents, endoscopic retrograde cholangiopancreatography (ERCP) with a particular interest in cholangioscopy and stent patency, and endoscopic mucosal resection (EMR). Dr. Muthusamy also has recently focused on the development of quality metrics in endoscopy and methods to improve the safety and efficiency of endoscopy care with a particular focus on endoscope reprocessing and duodenoscope associated transmission of infections.

Dr. Muthusamy is currently a professor of clinical medicine at the David Geffen School of Medicine at UCLA and medical director of endoscopy for UCLA Health. Prior to his recruitment to UCLA in 2011, he was a faculty member at the University of California Irvine Medical Center. In addition to his extensive clinical work in interventional endoscopy there, he also served as the director of the GI Fellowship Program at UC Irvine. He has also previously served as director of endoscopic ultrasound at the University of California, San Francisco. Dr. Muthusamy completed his undergraduate work at Stanford University and graduated with distinction. He subsequently went to medical school at the University of Washington School of Medicine, where he graduated with honors. His residency was undertaken at Duke University Medical Center where he served as assistant chief resident and traveled abroad to study evidence-based medicine under Dr. David Sackett at Oxford University. He completed his fellowship in gastroenterology at the University of California San Francisco before undertaking his advanced endoscopy fellowship at the University of California Irvine which he completed in 2001.

Dr. Muthusamy is board-certified in gastroenterology and has been recognized by Best Doctors since 2011. He is an editor of the 3rd edition of textbook Clinical Gastrointestinal Endoscopy. He is a past-president of the Orange County GI Society and a councilor for the Southern California Society of Gastroenterology. Dr. Muthusamy is a fellow of the American College of Gastroenterology (FACG), American Society of Gastrointestinal Endoscopy (FASGE) and the American Gastroenterological Association (AGAF). He serves as one of two ACG governors for Southern California and is a former member of the ACG Research and Public Relations committees. He is current an associate editor for the American Journal of Gastroenterology. He previously has served as a co-director of the ASGE's Improving Quality and Safety in Your Endoscopy Unit course and serves on the ASGE Quality Assurance in Endoscopy committee. He is also a long-standing member and the current chair of the AGA's Center for GI Innovation and Technology and serves on the AGA's research award panel.

Patient Stories

Endoscopy Emerging as Major Non-Surgical Intervention


Medical Board Certifications

Gastroenterology, American Board of Internal Medicine, 2001


UCSF Medical Center, 2001


Duke University Medical Center, 1998


Duke University Medical Center, 1996


University of Washington School of Medicine, MD, 1995


West Los Angeles

Pfleger Liver Institute & General Surgery

Liver Transplant Surgery| Hepatobiliary and Pancreatic Surgery| Pediatric Liver Transplant Surgery

Hospital Affiliations

Ronald Reagan UCLA Medical Center

UCLA Santa Monica Medical Center


TIF: Endoscopic Anti-Reflux Procedure | V. Raman Muthusamy, MD, MAS | UCLA Digestive Diseases
Transoral incisionless fundoplication (TIF): Have we finally found an endoscopic treatment for GERD?
Hot Topics: Panel Discussion | UCLA Digestive Diseases
Endoscopy Video Forum | UCLA Digestive Diseases
Pancreaticobiliary Disease: TheManagement of Hilar Cholangiocarcinoma | UCLA Digestive Diseases
Pancreaticobiliary Disease: ERCP | UCLA Digestive Diseases
Endoscopy Emerging as Major Non-Surgical Intervention



  • Barrett's Esophagus
  • Clinical Applications of Endoscopic Ultrasound
  • New Endoscopic Technologies
  • Esophageal Strictures
  • Endolumenal Stenting


  • Best Doctors 2010-2011