
Overview
John Leung, MD, AGAF, FACAAI is one of the few US dual board-certified physicians in Allergy/Immunology and Gastroenterology. He earned his medical degree from the University of Michigan and completed his internal medicine residency at the University of Iowa, followed by fellowships in Gastroenterology at Tufts Medical Center and Allergy/Immunology at Massachusetts General Hospital/Harvard Medical School. Dr. Leung started his career in academia in 2007 conducting NIH-funded and industry-sponsored bench-to-bedside research, and he has successfully conducted over 50 clinical trials since. In 2013, he established and directed the first Food Allergy Center at Tufts Medicine. Dr. Leung currently serves as an Adjunct Associate Professor at Tufts University.
In 2015, Dr. Leung founded Boston Specialists, an interdisciplinary practice that embraces an integrative approach to healthcare. This center brings together various specialists, registered dietitians, and a dedicated pharmacist, working collaboratively to meet the needs of their patients. The clinic also boasts a robust research initiative, which actively enrolls patients from across New England in clinical trials. Dr. Leung has co-authored over 50 peer-reviewed manuscripts including an article in New England Journal of Medicine, scientific abstracts, and book chapters. In 2024, Dr. Leung founded Boston Specialists Endoscopy Center to improve accessibility for his patients and streamline their healthcare experience.
Dr. Leung is rated as a Distinguished provider by MediFind in the treatment of Eosinophilic Colitis. His top areas of expertise are Eosinophilic Esophagitis, Eosinophilic Enteropathy, Eosinophilic Colitis, Endoscopy, and Tissue Biopsy.
His clinical research consists of co-authoring 78 peer reviewed articles and participating in 10 clinical trials. MediFind looks at clinical research from the past 15 years. In particular, he has co-authored 3 articles and participated in 2 clinical trials in the study of Eosinophilic Colitis.
Insurance
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- OTHER MEDICARE
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- OTHER COMMERCIAL
- OTHER MEDICARE
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- MEDICARE MAPD
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- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- PPO
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- INSURANCE PLAN
- MANAGED MEDICAID PLAN
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- MEDICARE SNP
- OTHER COMMERCIAL
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Locations
75 Kneeland St, Boston, MA 02111
Additional Areas of Focus
Dr. Leung has provided the following conditions as areas of focus. Please note that we may not have enough data to validate their experience in some of these conditions.
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
10 Clinical Trials
Brigham And Womens Physicians Organization Inc
Steven Fine is a Gastroenterologist in Boston, Massachusetts. Dr. Fine is rated as a Distinguished provider by MediFind in the treatment of Eosinophilic Colitis. His top areas of expertise are Eosinophilic Colitis, Familial Adenomatous Polyposis, Ulcerative Colitis, Colonoscopy, and Endoscopy.
Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc
Kenneth Falchuk is a Gastroenterologist in Boston, Massachusetts. Dr. Falchuk is rated as a Distinguished provider by MediFind in the treatment of Eosinophilic Colitis. His top areas of expertise are Ulcerative Colitis, Gastroesophageal Reflux Disease (GERD), Crohn's Disease, Ileostomy, and Endoscopy.
Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc
Harry Anastopoulos is a Gastroenterologist in Boston, Massachusetts. Dr. Anastopoulos is rated as a Distinguished provider by MediFind in the treatment of Eosinophilic Colitis. His top areas of expertise are Cronkhite-Canada Disease, Attenuated Familial Adenomatous Polyposis, Juvenile Polyposis Syndrome, and Familial Adenomatous Polyposis.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Elite
- Eosinophilic EsophagitisDr. Leung isElite. Learn about Eosinophilic Esophagitis.
- Distinguished
- Eosinophilic ColitisDr. Leung isDistinguished. Learn about Eosinophilic Colitis.
- Eosinophilic EnteropathyDr. Leung isDistinguished. Learn about Eosinophilic Enteropathy.
- Advanced
- AsthmaDr. Leung isAdvanced. Learn about Asthma.
- Mast Cell Activation Syndrome (MCAS)
- Experienced
- Allergic ConjunctivitisDr. Leung isExperienced. Learn about Allergic Conjunctivitis.
- Allergic RhinitisDr. Leung isExperienced. Learn about Allergic Rhinitis.
- AnaphylaxisDr. Leung isExperienced. Learn about Anaphylaxis.
- AngioedemaDr. Leung isExperienced. Learn about Angioedema.
- ColonoscopyDr. Leung isExperienced. Learn about Colonoscopy.
- Conjunctivitis (Pink Eye)Dr. Leung isExperienced. Learn about Conjunctivitis (Pink Eye).