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 director of endoscopy for the UCLA Health System. 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 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 internal medicine and has been continuously 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 member of the ACG Research and Public Relations committees. He is also the 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.
UCLAProfessor of Clinical Medicine,Vatche and Tamar Manoukian Division of Digestive DiseasesMedical Director,Endoscopy