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Public Profile

Dr. John Leung, MD
Dr. John Leung, MD
  • Director, Center for Food Related Diseases
  • Tufts Medical Center Boston, MA
John Leung, MD (pronounced "learn-g" or "LEE-ung") is the founding physician and CEO of Boston Food Allergy Center, director of Center for Food Related Diseases at Tufts Medical Center and co-director of the Pediatric Food Allergy Center at Floating Hospital for Children. He is the first US-trained physician triple board-certified in Allergy/ Immunology, Gastroenterology and Internal Medicine. Dr. Leung attended medical school at the University of Michigan Medical School and completed his Internal Medicine residency at University of Iowa Hospitals and Clinics. He then completed a 4-year clinical/research Gastroenterology fellowship at Tufts Medical Center, followed by an Allergy/Immunology fellowship at Massachusetts General Hospital/Harvard Medical School. Dr. Leung is the site principal investigator for multiple NIH-funded and pharmaceutical sponsored studies. He is an assistant professor in the Department of Medicine and Department of Pediatrics at Tufts Medical Center, a clinical assistant professor at Friedman School of Nutrition Science and Policy at Tufts University, an adjunct faculty Tufts University Immunology graduate program, an affiliated faculty of Tufts Institute for Innovation, and a nominating committee member of Obesity, Metabolism & Nutrition section of the American Gastroenterology Association Institute Council. He is also an investigator for Consortium of Eosinophilic Gastrointestinal Disease Researchers (CEGIR) He has coauthored numerous peer-reviewed manuscripts, scientific abstracts, book chapters, and online tutorials. His clinical and research focuses are on eosinophilic esophagitis, gastrointestinal disorders, food & intolerance as well as other allergic/immunologic conditions. Licensure and Certification: 2018 Commonwealth of Massachusetts, Board of Registration 2016 U.S. Citizenship and Immigration Services designated Civil Surgeon 2013 American Board of Allergy and Immunology 2010 American Board of Internal Medicine – Gastroenterology Board Certification 2007-17 American Board of Internal Medicine
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