What patients are saying
Overall rating
4.77
Average wait time
4.67
Bedside manner
4.82
“My visit was over FaceTime. I was able to schedule my appointment quickly and easily. Dr Leung was great! Well spoken, made things easy to understand and addressed all of my concerns. Office staff was very friendly and efficient. Will follow up with additional testing. Highly recommend”
Elizabeth K.November 16, 2021Video visit
“Dr. Leung is great at thinking outside the box. I would highly recommend him to anyone suffering with unexplained GI issues.”
Initials hiddenMore than 1 year agoVideo visit
About Dr. John Leung
Our clinic remains open during the COVID-19 crisis to provide the needed services for our patients. Once you schedule your visit here at zocdoc, please indicate whether you want to do a virtual, or an in-person visit. Our staff will walk you through the process if you prefer virtual visit (only takes a few minutes to set up).
*IF THIS IS YOUR FIRST IN-PERSON APPOINTMENT WITH DR. JOHN LEUNG, PLEASE REMAIN OFF OF ALL ORAL ANTI-HISTAMINES 7 DAYS PRIOR TO YOUR APPOINTMENT. These include: Benadryl, Loratadine, Allegra, Claritin, Alavert, Zyrtec, Zantac, Singulair, and all other oral anti-histamines.
John Leung, MD is the founding physician of Boston Food Allergy Center, director of the Food Allergy Center 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 University, an adjunct faculty in Immunology, an affiliated faculty of Tufts Institute for Innovation, and a nominati
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Office locations
Dr. John Leung, MD also offers online video visits for patients
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Education and background
Practice names
Hospital affiliations
- Tufts Medical Center
Board certifications
- American Board of Allergy and Immunology
- Gastroenterology (American Board of Internal Medicine)
Education and training
- Medical School - University of Michigan, Doctor of Medicine
- University of Iowa, Internship in Internal Medicine
- University of Iowa, Residency in Internal Medicine
- Tufts Medical Center, Fellowship in Gastroenterology
- Massachusetts General Hospital, Fellowship in Allergy and Immunology
Professional memberships
- American College of Allergy, Asthma & Immunology
- Society for Mucosal Immunology
- American Association of Immunologists
Race and ethnicity organizations
- United Asian American Medical Student Association
Awards and publications
- http://bostonfoodallergycenter.org/publications.html
Languages spoken
- English
Provider's gender
Male
NPI number
1447328711
Patient reviews
All reviews have been submitted by patients after interacting with the practice.
Overall rating
4.77
Wait time
4.67
Bedside manner
4.82
Your trust is our top concern, so providers can't pay to alter or remove reviews. We also don't publish reviews that contain any private patient health information. Learn more here
578 reviews
Most relevant
Dr. Leung is great at thinking outside the box. I would highly recommend him to anyone suffering with unexplained GI issues.
More than 1 year agoInitials hiddenVideo visit
Very professional and very friendly. Understood my issue well and provided good recommendations. Great doctor all around.
December 13, 2017Nicholas C.Verified patient
Super friendly staff and very helpful doctor. The wait was a little long (video appt), but not too bad. Would recommend!
More than 1 year agoAdrianne O.Verified patientVideo visit
Dr. Leung was great. He listened, explained things thoroughly, and provided options. I felt I was being well cared for.
February 28, 2017Initials hidden
His practice was clean, responsive and Dr. Leung was very informative throughout the appointments. I would recommend.
November 12, 2019Tonya S.Verified patient
I thought it was great! He was very knowledgeable and patient with my daughter. The nurses were welcoming and kind.
September 10, 2016Ash PVerified patient
Excellent doctor for EGID's - the combined allergy/immunology and GI experience is priceless. Highly recommend.
June 25, 2018Tracy L.Verified patient
So glad I found him
Very thorough and put together a plan of action to figure out what is wrong with my son
July 25, 2016Justin R.Verified patient
Excellent visit, Dr. Leung will tell you if your problem is serious or not and gives great recommendations.
December 3, 2018Vitaliy S.Verified patient
Great first meeting! Dr. Leung put our worries at ease. Some office issues with the telemedicine visit.
More than 1 year agoInitials hidden
The staff was very polite and helpful. My appointment was right on schedule and everything went great!
April 22, 2021Joshua C.Verified patient
Very pleased. He took time to explain everything including the steps we would be taking in the future.
More than 1 year agoViolet V.Verified patient
John, is such a great doctor, so much energy and passion and he's one of the best in his specialty!
May 7, 2016Initials hidden
Very insightful appointment. The office has done a great job with technology during this pandemic.
April 13, 2020John L.Verified patient
Dr. Leung was outstanding. He explained everything needed perfectly and worked towards solutions.
January 30, 2018George P.Verified patient
Professional, quick, and thorough. Was let in right at my appointment time, definitely recommend.
July 8, 2016Daniel G.Verified patient
Fantastic experience. Super good at synthesizing my issues and coming up with a plan. A+ doc
December 4, 2020Shelby L.Verified patient
Very knowledgeable and concise with his craft, made me feel very confident in the diagnosis.
December 18, 2020Benjamin H.Verified patientVideo visit
My visit with Dr. Leung was great!
He is very kind and at the same time very professional.
More than 1 year agoInitials hidden
Very good.
The only low point was the unwelcoming and very cold secretary that "greeted" me
More than 1 year agoInitials hidden
He was great. He found out my problem right away! Waiting time should be improved though.
March 10, 2018Ece Y.Verified patient
It's a nice visit, got diagnosed fast and all the lab tests were done. Got resolved fast
September 29, 2020Rama Krishna Sumanth G.Verified patientVideo visit
Very good. Very pleased. Always very polite and professional and knows what he is doing.
December 23, 2016Beverly D.Verified patient
Very nice, good explanations and thorough testing. Good wait time and very nice staff.
March 12, 2021Robert B.Verified patient
No nonsense and straightforward. Excellent doctor who addressed my issues straight-on.
February 12, 2019Jon-paul C.Verified patient
Very professional. The girl who also took information at beginning was very helpful.
February 11, 2021Kevin H.Verified patientVideo visit
Easy appointment, no wait, and Dr. Leung was good with advice re: allergy testing.
More than 1 year agoInitials hidden
Observant Doctor , very helpful and informative .
Eased a lot of my fears also
April 8, 2022Joan B.Verified patient
The appointment felt very rushed; there was little conversation about treatment
More than 1 year agoInitials hidden
Very knowledgeable, friendly/down to earth, and spends time explaining everything!
December 2, 2016Initials hidden
He was absolutely wonderful. Kind and very knowledgeable. I was so impressed!!!
November 23, 2020Anne D.Verified patient
Amazing! I can’t believe he has done more in 15 min then my old Dr has in 8 yrs
November 14, 2020Eva T.Verified patientVideo visit
Excellent physician! Very intelligent and listens. Great staff! Wonderful office
October 7, 2020Mariam A.Verified patientVideo visit
Dr. Leung is clearly a very intelligent professional and high quality doctor.
February 23, 2019Alex R.Verified patient
He worked very efficiently. I spent only 30mins and he helped for all my needs
July 31, 2017Van T.Verified patient
Great service, and really helpful explanations about symptoms and treatment!
More than 1 year agoInitials hidden
Excellent experience! Great staff. All around told me what I need to know.
More than 1 year agoNora S.Verified patient
Really friendly and knowledgeable office. I felt like I was in good hands.
November 5, 2018Alicia G.Verified patient
Doctor and entire staff were very personable, knowledgeable and helpful!
More than 1 year agoInitials hidden
Dr John Leung was extremely helpful and very easy to communicate with!
February 16, 2020Mark T.Verified patient
Listens, cares, and gives you a say in what to do. Highly recommend.
April 23, 2021Initials hiddenVideo visit
He is a very thorough doctor and we always get the answers we need.
June 4, 2016Ethan W.Verified patient
He is so thorough, efficient, speedy, and kind. Highly recommend.
November 9, 2020Kylin L.Verified patient
Probably the best doctor appointment I’ve had in a very long time
June 2, 2020David H.Verified patient
Dr. Leung is personable, knowledgeable, and a great communicator.
October 22, 2016Jonatas M.Verified patient
Later, thank you. Too early to make a posted comment - a rush.
February 19, 2021James F M.Verified patient
Really trust Dr. Leung. Honestly consider him one of the best!
October 24, 2016Brady P.Verified patient
Amazing. Dr. is fantastic and incredibly patient oriented.
More than 1 year agoInitials hiddenVideo visit
Dr. Leung had almost no wait and was responsive and kind.
December 21, 2020Theo L.Verified patient
Excellent - friendly and explained everything very well.
January 8, 2018Kevin H.Verified patient
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How soon can I make an appointment with Dr. John Leung?
Generally, Dr. John Leung has appointments available on Zocdoc within 1 week. You can see Dr. Leung's earliest availability on Zocdoc and make an appointment online.
Is Dr. John Leung accepting new patients?
Dr. John Leung generally accepts new patients on Zocdoc. You can see Dr. Leung's earliest availability on Zocdoc and schedule an appointment online.
Does Dr. John Leung accept my insurance?
Choose your insurance plan to verify if Dr. Leung is in-network.
Can I make an appointment with Dr. John Leung online?
Yes, you can make an appointment online with Dr. Leung using Zocdoc. It’s simple, secure, and free.
Which hospital is Dr. John Leung affiliated with?
Dr. John Leung is affiliated with Tufts Medical Center.
What practice does Dr. John Leung work with?
Dr. John Leung works with Boston Food Allergy Center.
Where is Dr. John Leung's office located?
Dr. John Leung has 4 office locations, including in Boston and Brookline, view full addresses on Dr. Leung's profile.
Which board certifications does Dr. John Leung have?
Dr. John Leung is certified by American Board of Allergy and Immunology and Gastroenterology (American Board of Internal Medicine).
What are common reasons for patients to see Dr. John Leung?
Dr. John Leung frequently sees patients for Allergy Consultation, ENT Consultation, Gastroenterology Consultation, Infection Consultation, and Weight Loss Consultation. You can see other visit reasons for Dr. John Leung on their profile.
What languages does Dr. John Leung speak?
Dr. John Leung speaks English.
How do patients rate Dr. John Leung in reviews?
578 patients have reviewed Dr. John Leung. The overall rating for this doctor is 4.77/5. They have a 4.82/5 rating for bedside manner and a 4.67/5 rating for wait time. You can read individual reviews and ratings on their profile.