Prior to joining Fox Chase, Loren spent over 20 years in the Division of Gastroenterology in the Department of Medicine at Thomas Jefferson University in Philadelphia. During his tenure at Jefferson Loren was appointed the Director of Endoscopy Services for Jefferson Health, Associate Director of the Pancreatobiliary Disease Center, and Director of the Therapeutic Endoscopy Fellowship.
Loren received both his undergraduate and his medical degrees from Washington University in St. Louis. He pursued internship and residency in internal medicine at Beth Israel Hospital in Boston and completed his senior residency at the University of Pennsylvania, where he also completed a categorical fellowship in gastroenterology and hepatology. He then completed additional training in advanced and therapeutic endoscopy at Jefferson.
He currently serves as president of the Foundation for Interventional and Therapeutic Endoscopy and is past-president and current treasurer of the Delaware Valley Society for Gastrointestinal Endoscopy. He is a member of the American Society for Gastrointestinal Endoscopy, American Gastroenterological Association, and the American College of Gastroenterology.
Loren is a distinguished clinician in therapeutic and advanced endoscopy, and while at Jefferson he led one of the largest programs for endoscopic treatments of biliary cancers in the United States. He has earned numerous honors recognizing his abilities as a researcher and educator, including the Dean’s Citation for Significant Contributions to the Advancement of Education and the Award for Excellence in Teaching and Bedside Education from Jefferson. He is also a multiple winner of the American College of Gastroenterology Presidential Research Poster Award. Loren has been named a Top Doctor by Philadelphia magazine annually from 2017 through 2023.
Loren is extensively published in peer-reviewed journals, has co-authored medical textbooks, and is a sought-after speaker who has delivered lectures nationally and internationally. Over his career he has trained almost 100 gastroenterology fellows and over 20 fellows dedicated to the field of advanced therapeutic endoscopy.