John Leung
Expertise in
4
conditions
Expertise in
4
conditions

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 highly rated in 4 conditions, according to our data. His top areas of expertise are Eosinophilic Esophagitis, Eosinophilic Enteropathy, Eosinophilic Colitis, Tissue Biopsy, and Endoscopy.

His clinical research consists of co-authoring 77 peer reviewed articles and participating in 10 clinical trials. MediFind looks at clinical research from the past 15 years.

Graduate Institution

University Of Michigan Medical School

Residency

University of Iowa Hospitals and Clinics

Specialties

Allergy and Immunology

Licenses

Medical License in MA
Medical License in ME
Medical License in NH

Board Certifications

American Board Of Allergy And Immunology

Fellowships

Massachusetts General Hospital
Tufts Medical Center

Hospital Affiliations

Beth Israel Deaconess Needham
Beth Israel Deaconess Milton
Mount Auburn Hospital
St. Elizabeth’s Medical Center
Mass General Brigham Newton-Wellesley Hospital

Languages Spoken

English
Cantonese
Mandarin

Gender

Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

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Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Anthem BCBS
  • EPO
  • HMO
  • POS
  • PPO
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
Blue Shield of California
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE-MEDICAID PLAN
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
BMC HealthNet
  • HMO
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE SNP
Buckeye Health Plan
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE-MEDICAID PLAN
Cambia Health Solutions
  • EPO
  • INSURANCE PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • PPO
Capital District Physicians Health
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
CareFirst
  • HMO
  • POS
  • PPO
Cigna
  • EPO
  • HMO
  • PPO
Commonwealth Care Alliance
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
EMI Health
  • PPO
Group Health Cooperative
  • HMO
  • POS
  • PPO
Health Care Services Corporation
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
Health First
  • HMO
  • POS
Health New England
  • HMO
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • OTHER COMMERCIAL
HealthPartners
  • POS
  • PPO
Highmark
  • EPO
  • HMO
  • PPO
Horizon Healthcare
  • EPO
  • POS
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Independent Health
  • EPO
  • POS
  • PPO
Managed Medicaid
  • OTHER MANAGED MEDICAID
Mass General Brigham Health Plan
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • PPO
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
Medical Mutual
  • HMO
  • PPO
Medicare
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE PART D
Neighborhood
  • MANAGED MEDICAID PLAN
  • MEDICARE ASSISTANCE PROGRAM
  • MEDICARE-MEDICAID PLAN
  • OTHER COMMERCIAL
NH Healthy Families
  • EPO
  • MANAGED MEDICAID PLAN
Nippon Life
  • INSURANCE PLAN
Oscar
  • EPO
  • HMO
  • PPO
Premera Blue Cross
  • INSURANCE PLAN
  • MEDICARE MAPD
  • OTHER COMMERCIAL
  • PPO
Senior Whole Health
  • MEDICARE-MEDICAID PLAN
Spectrum Priority Health
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER COMMERCIAL
Sutter Health
  • HMO
  • OTHER COMMERCIAL
Trustmark
  • PPO
Tufts
  • HMO
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
UPMC
  • EPO
  • PPO
Walgreens
  • MEDICARE DISCOUNT CARD
  • MEDICARE PDP
  • OTHER MEDICARE
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
View 35 Less Insurance Carriers -

Locations

Boston Food Allergy Center LLC BI Network
75 Kneeland Street, Floor 1, Boston, MA 02111
Other Locations
Boston Food Allergy Center LLC BI Network
77 Warren Street, Brighton, MA 02135

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.

Non-Alcoholic Fatty Liver Disease
Nonalcoholic Steatohepatitis (NASH)

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

View 9 Less Clinical Trials

77 Total Publications

Upadacitinib for patients with eosinophilic esophagitis refractory to dupilumab.
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Frequently Asked Questions about Dr. John Leung

How do I make an appointment with Dr. John Leung?

You can book an appointment with Dr. John Leung by calling their office at 617-804-6767. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.

Is Dr. John Leung a top-rated expert for Eosinophilic Esophagitis?

MediFind is an objective health platform that identifies experts based on real-world data. Dr. John Leung is classified as an Elite expert for Eosinophilic Esophagitis, meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.

What conditions does Dr. John Leung specialize in?

While Dr. John Leung is a Allergy and Immunology, they have specific expertise in Eosinophilic Esophagitis, Eosinophilic Enteropathy, and Eosinophilic Colitis. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Allergy and Immunology.

Does Dr. John Leung participate in research or clinical trials?

Yes. Dr. John Leung has published 77 articles and abstracts on conditions like Eosinophilic Esophagitis. You can view a list of Dr. John Leung's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.

Does Dr. John Leung accept my insurance?

Dr. John Leung accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly at 617-804-6767 to verify that your specific plan is currently accepted before your visit.

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

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