John Leung, MD

Founding Physician and CEO

Dr. Leung believes in delivering the best possible care through compassion, respect of one’s culture and values, critical interpretation of published medical literature, and direct communication. To carry out the mission of BFAC, we must:

  • Excel in the practice of medicine
  • Advance the field through high quality research
  • Further education of those who serve
  • Recruit the best qualified medical, scientific and support staff
  • Provide efficient and affordable medical care
  • Invest time and money in our local community
  • Allergy and Immunology
  • Gastroenterology

  • Medical School
  • Internal Medicine Residency
  • Gastroenterology Fellowship
  • Allergy/Immunology Fellowship
Education

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.

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James Allentuck, RN

a.james@bfac.org

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Catherine Parrella, RN

p.catherine@bfac.org

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Erika Rimar, RN

erika.rimar@bfac.org

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Jaclyn Quinlan, RD

nutrition@bfac.org

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Sarah Johnson, Clinic Assistant

j.sarah@bfac.org

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Talya Held, Clinic Assistant

h.talya@bfac.org