Dr. Nguyen is Professor of Medicine at the University of Toronto and the Institute for Health Policy Management and Evaluation. He is also an adjunct scientist at the Institute for Clinical Evaluative Sciences in Toronto. After graduating from the Johns Hopkins School of Medicine, he completed residency in Internal Medicine at the Johns Hopkins Hospital. He then pursued a combined clinical and research fellowship in gastroenterology and IBD at Johns Hopkins, concurrently completing a PhD degree in Clinical Investigation at the Johns Hopkins Bloomberg School of Public Health.

Dr. Nguyen is currently appointed as a Clinician Scientist at the Mount Sinai Hospital. He is the recipient of an AGA Research Scholar Award, and two consecutive New Investigator Awards from CIHR and the CIHR Embedded Clinician Researcher Award. He has also been elected a Fellow of the American Gastroenterological Association. The main focus of his research is the impact of IBD specialty care on health outcomes. Dr. Nguyen's research focuses on using administrative health data to monitor patterns of IBD-related healthcare utilization, its determinants, effect on health quality of life and morbidity, and economic impact. He is the national lead for the Promoting Access and Care through Centres of Excellence (PACE) a national network dedicated to improving access and quality of care for patients with IBD. He is also Chair of the CINERGI group, a Canadian-wide collaborative network of IBD centres focused on quality improvement initiatives. He has spearheaded the Choosing Wisely campaign in IBD and was the lead author on several North American clinical practice guidelines in IBD. His is a recipient of the Canadian Association of Gastroenterology’s Young Investigator Award and the University of Toronto Department of Medicine Award for Quality and Innovation. As part of the PACE program, he and his research team have pioneered the use of telemedicine to improve access to IBD care to underserviced regions of Ontario.