Dr. John Leung

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This was a excellent time! Dr. Leung helped me out and hopefully I will see the results!!!

I visited Dr leung office on 2 occasions and every thing was so professionally done. From the time you check in until the Dr comes to the room you feel welcome Every one is just so pleasant and besides attending to you ,they make sure you understands everything clearly. To top it off Dr Leung is efficient at his job. I am so happy that I chose Dr Leung. I would surely tell my friends about my visit and the service I recieved. I visited Dr leung office on 2 occasions and every thing was so professionally done. From the time you check in until the Dr comes to the room you feel welcome … More

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Dr. Leung is exactly what any parent who goes through the fear of the unknown needs in their life! He’s very, very patient when it comes to the anxieties a parent can have. He answered all my questions with the science in a clear manner that I could understand. He even gave me the number of Boston’s top Doctors if I felt I needed a second opinion. That gave me further assurance that he knows his profession and is secure in his work. He will pin point your issues quickly and comfortably. Today I am comfortable and I know I made the right choice for my child. I love my daughter and everyday, every action is for the better of her life! The choice to be a part of the Doctor Leung’s team is an honor. Thank you for helping my daughter live a healthy and safe life. Dr. Leung is exactly what any parent who goes through the fear of the unknown needs in their life! He’s very, very patient when it comes to the anxieties a parent can have. … More

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The breath test was right on scheduled time. Efficient and friendly. Finished precisely when I expected.

My first time at Dr Leung’s was very pleasant front desk staff was very welcoming also fast and efficient! Also nurse assistant was very courteous and knows his work very well,lovely office and very clean! Dr Leung was very pleasant and had a wonderful bedside manners was very interesting in wanting to help me with my condition! He’s very passionate and caring towards his patients very happy to have him as my doctor i would rec him to my friends and family or if anyone needs a great doctor! Grace Gerald My first time at Dr Leung’s was very pleasant front desk staff was very welcoming also fast and efficient! Also nurse assistant was very courteous and knows his work very well,lovely office and very clean! Dr Leung was very pleasant and had … More

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Dr. Liang is very nice and the staff service is also very good

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Excellent as always.

Dr Leung is great. He is very knowledgeable, I felt really listened to and the meds he prescribed worked wonders for pains I have had for a couple of years. Highly recommend.

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Friendly, professional, and give real and timely answers.

They don't get any better than Dr.Leung. He has enabled me to have my life back. Wonderful staff.

What a great attention to the details! I really felt like Dr. Leung cared.

Very professional, fast attention, I really liked the good treatment of patients!

I went there to get my I-693 done and the experience was wonderful! Special thanks to Yasmine and Dr. Leung! They were super friendly and everything went smoothly. Again thank you Yasmine for all your help and answering my questions promptly! I recommend this place to everyone!

Prior to seeing Dr. Leung, I had visited two other GI doctors for 10+ times in the past two years and nothing had helped. But Dr. Leung found the root cause of my illness in my first visit. He is super logical, professional and knowledgeable. Furthermore, he is patient and friendly to explain every detail in a very clear way. I wish I could have seen him couple of years earlier. Prior to seeing Dr. Leung, I had visited two other GI doctors for 10+ times in the past two years and nothing had helped. But Dr. Leung found the root cause of my illness in my first visit. He is super logical, professional and … More

Coming back to see Dr John Leung for my check up after my first visit was so pleasant as before great doctor and wonderful bedside manner he really cares and get to the real problems that you’re having! After 35years of suffering from allergies especially during spring time the smell of anything strong plus sinus problems I’m soooo very happy first time I’m not suffering and can be outside during spring time even started to purchase perfume again! Also his staff is so wonderful and caring just like Dr Leung he’s a great example of how his staffs are and especially Ricky he’s going to medical school to be a doctor he will be missed and i know he’ll do well from his time working with Dr Leung! Wish all doctors were as caring and understanding and want to help you with your medical issues the way he did hope he’ll never always stay in Boston I’ll always recommend him!

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Yasmine was Brilliant, so was Dr John Leung

Amazing experience at the place, very well organized. Dr. Leung was very understanding and helped me through the complex process of I-693 examination

Dr. Leung and his team have excellent follow-through. I want to give a shout out to Juan in particular for getting my test results and a specialist appointment set up in record time.

Excellent care. Allison (RN) was amazing, so patient and kind with my anxious son with autism. Treated him with dignity and respect. Staff worked very hard to make his infusion possible.

Dr. Leung was professional and great. However, my experience for the allergy test was terrible, almost like a nightmare. First of all, the nurse (I forgot the name) was super unprofessional. To provide some context here, I did a skin test by getting a small amount of allergen injected directly to my skin. It's not just one injection, but almost 20 for all different types of allergen. The nurse messed up the injection several times, so I had to get TONS OF extra doze, super painful. Then when the result came out, even though Dr. Leung provided some guidance, the nurse still shared the results incorrectly. It was me who had to call the doctor back to double check each result. After this terrible experience, I've decided never to go back for treatment, and paid my bill (which is also super high, over 1k for just the test). However today (almost after half year), I got a call saying i have an unpaid payment which would impact my credit. It is INSANE!!!!! I paid the full amount already. PLEASE, if you want to get treated in a respected way, DO NOT choose here. Dr. Leung was professional and great. However, my experience for the allergy test was terrible, almost like a nightmare. First of all, the nurse (I forgot the name) was super unprofessional. To provide some context here, I did a skin test … More

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Dr. Leung and his staff are excellent. Dr. Leung became a health care provider for me several years ago, and through his diagnosis and subsequent treatment, I am no longer suffering from chronic sinusitis, sore throats, and painful skin conditions. These were ailments that I was plagued with on a near daily basis. If the conditions are not completely resolved, his prescribed treatments have assisted in keeping them at bay, and manageable. Dr. Leung and his staff are excellent. Dr. Leung became a health care provider for me several years ago, and through his diagnosis and subsequent treatment, I am no longer suffering from chronic sinusitis, sore throats, and painful skin … More

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I am just so thankful for the team and staff and of course John Leung !

Dr. Leung runs an impressive practice with a comprehensive approach to treating allergies. I’m hopeful that his depth of knowledge will provide me with a better way to deal with my allergies.

Extremely helpful, explained everything clearly. Would highly reccomended thanks!

I had a great experience with virtual consultation. Dr provided a clear advice. The doctor's assistant was very friendly and helpful.

I trust Dr. Leung and his staff. He is a great listener and creates a plan in unison with you. I feel like he takes all my concerns seriously. I highly recommend.

I would rate my appointment today as a 5. Dr. Leung was informative and respectfully listened to my concerns. Both he and Becky were empathetic during testing, reassuring me throughout.

Dr. Leung is the best! He helped diagnose a rare condition that I have and made a treatment plan that has been totally sustainable. He is one of the best doctors I have ever had. His team is on top of it!

Unprofessional everything rush He gave the kids shot and he didn’t put the bandit

As always, the staff was efficient and friendly. Because of the proximity to Christmas, there was no crowding. Our only caveat is that patients are expected to bring their own allergens - in our case milk - for desensitization.

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Really prompt and friendly service for my allergy treatment! Awesome.

Came for a COVID booster shot. Quick, efficient, and well-run operation.

Thank you, Dr. John, he is one of the best and is very professional. He knows what he is doing and is passionate about his patients. Also, he has a good team to assist him

Everything was perfect. On time, fast, accurate. Staff were very helpful. Thanks to everybody in the office specially Dr. Leung. It was the best experience i ever had from a health provider.

I trusted this Dr with my family's health. Sadly he only goes by what his allergy tests say and sent us home saying there was nothing wrong with us. He didnt look at the entire clinical picture and failed to diagnose the problem, putting us in harms way. The 3 members of my family tested for allergies that were allegedly negative ended up having anaphylaxis reactions (multiple times). Allergies are more complex that an simple allergy test, he needs to learn how to look at the entire clinical picture. I trusted this Dr with my family's health. Sadly he only goes by what his allergy tests say and sent us home saying there was nothing wrong with us. He didnt look at the entire clinical picture and failed to diagnose the problem, putting us … More

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Very caring Doctor who wants to help your child overcome their food allergies. So grateful to have found Dr. Leung!

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Great place to get a covid vaccine. Professional, helpful and friendly.

Quick and easy appt to get the booster. Was nice to schedule day of instead of to two weeks in advance. Staff was nice