Dr. Alexander Brun, MD

Dr. Alexander Brun, MD

Gastroenterologist
4.94
“Coming into this, I was feeling very anxious about my symptoms. However, Dr. Brun alleviated my anxiety and was very patient and took the time to explain and educate why I might be experiencing the symptoms I’m having. He did not rush my visit at all and I appreciate that he explained the next steps and what to expect.”
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Highly recommended
96% of patients gave this doctor 5 stars
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What patients are saying

Overall rating

4.94

Average wait time

4.35

Bedside manner

4.95
“Coming into this, I was feeling very anxious about my symptoms. However, Dr. Brun alleviated my anxiety and was very patient and took the time to explain and educate why I might be experiencing the symptoms I’m having. He did not rush my visit at all and I appreciate that he explained the next steps and what to expect.”
Initials hiddenMore than 1 year ago
“Dr.Brun was very friendly and informative. He took the time to explain the organs and area were my complaint was so I could fully understand what might be occurring, he also prescribed the medication he felt was best to treat my condition and explained how the medication would work. I felt like he was completely trustworthy and I left the visit feeling confident that my issue would be resolved in his care and felt better with much less anxiety. 10/10 highly recommend! ”
Melanie H.July 14, 2022

About Dr. Alexander Brun

Dr. Alexander Brun is a patient-oriented and dedicated doctor who specializes in colon cancer screening, irritable bowel syndrome, chronic abdominal pain, inflammatory bowel disease, gastroesophageal reflux disease and diseases of the liver and pancreas. He obtained his medical degree from SUNY Downstate Medical School and completed his internal medicine residency training in Rutgers Robert Wood Johnson University Hospital where he was elected as outstanding resident of the year. Dr. Brun served as chief gastroenterology fellow at North Shore Long Island Jewish Health System, which is where he completed his gastroenterology training. Dr. Brun is now an attending at Mount Sinai Beth Israel. He has published in numerous medical journals and gastroenterology textbooks on topics ranging from gastrointestinal bleeding to geriatric gastroenterology. He and his staff speak English, Spanish and Russian.

Areas of expertise

This doctor's experience enhances their expertise in similar cases. Below are the conditions or surgeries they treat most frequently.
Acid reflux
Irritable Bowel Syndrome (IBS)
Acute gastrointestinal bleeding
Stomach and duodenal inflammation
Acute stomach inflammation/infection
Chronic indigestion without clear cause
Acid reflux
Irritable Bowel Syndrome (IBS)
Acute gastrointestinal bleeding
Stomach and duodenal inflammation

Education and background

Practice names

Board certifications

  • American Board of Internal Medicine
  • Gastroenterology (Internal Medicine)

Education and training

  • Medical School - State University of New York, Downstate Medical Center, Doctor of Medicine
  • Rutgers Robert Wood Johnson Medical School, Residency in Internal Medicine
  • North Shore-Long Island Jewish Health System, Fellowship in Gastroenterology

Professional memberships

  • American College of Gastroenterology

Awards and publications

  • Trindade AJ, Brun A, Vamadevan AS, Sideridis K, Sejpal DV, Mayo PH, Khanijo S, Koenig SJ. Use of bedside transabdominal US in facilitating emergent intensive care unit ERCP without fluoroscopy (with video). Gastrointest Endosc. 2014 Nov 18. pii: S0016-5107(14)02204-4. doi:10.1016/j.gie.2014.09.025.
  • Sultan K, Brun A, Spyropoulos AC. Venous Thromboembolism Risk in Patients With Inflammatory Bowel Disease: Defining the Benefits of Pharmacologic Prophylaxis. Clinical Gastroenterology and Hepatology. 2014 Apr 1. pii: S1542-3565(14)00475-3.
  • Brun A, Pitchumoni CS, Biliary Diseases in HIV. Practical Gastroenterology. 2010 Sept; 36 (9): 24-32.

Languages spoken

  • English
  • Russian

Provider's gender

Male

NPI number

1164735072

Patient reviews

All reviews have been submitted by patients after interacting with the practice.
Overall rating
4.94
Wait time
4.35
Bedside manner
4.95
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552 reviews
Most relevant
A great visit. Clean office, I was seen right away, doctor Brun gave a lot of time and realy listened to what I had to say.
Verified patient
Dr. Brun was very personable and easy to talk to. Very knowledgeable and made me feel comfortable during the whole visit.
Very understanding, not judgemental, soft spoken, and smart! I would definitely recommend him to all my friends and family.
Verified patient
Dr. Brun was incredibly easy to talk to and I felt very listened to. I was very anxious and he made me feel reassured.
He's very friendly, he makes you feel comfortable and relaxed, He listen to you. I'll highly recommend him to others.
Verified patient
Great and sensitive about listening to MY needs. Immediate follow-up for procedure to rule out IBS and stomach cancer.
Verified patient
Dr Brun was very friendly and attentive. Personnel was great. Wait time was to much however I understand things happen.
He is just a caring doctor explains everything to you and is so caring treats you like your family! Very knowledgeable.
Verified patient
Dr. Brun was friendly, patient and listened carefully to my health complaint. Office was clean and staff very cordial.
Verified patient
Extremely kind and thoughtful doctor. I was very scared to have any procedures done and he really put me at ease!
Verified patient
inhave not know Dr. Brun long enough to answer the question. I still have health issues that need to be addressed.
Verified patient
It’s always a pleasure seeing Dr. Brun. His bedside manner is amazing, he never rushes me and I enjoy seeing him.
Verified patient
Amazing doctor have gone to a few Gastro’s and Dr. Brun has bar far been the best. Highly highly recommend
Verified patient
Dr. Brun was great. He broke everything down to me and took the time to explain what we are planning to do.
Verified patient
He was very professional made me feel comfortable to talk about my situation. And he also gave good advice.
Verified patient
The Dr was very attentative , didnt rush throughbhis patient , very friendly ... excellent Patient Care..
Verified patient
The wait time was basically none and the was out fairly quickly can't rush when it comes to your health.
Verified patient
Doctor Brun was great. Very nice and informative. Explained everything to me in regards to my issue.
Verified patient
The doctor was very pleasant and professional. Answered all my questions. Made me feel very comfortable.
Verified patient
Great doctor with a nice bedside manner, but had to wait about 45 minutes. Would still recommend though.
I love this place ! Everyone at the front desk was incredibly helpful . Dr Brun is the absolute best !
Dr Brun and staff are very friendly and nice! Everything is quick, no waiting and atmosphere is good.
Verified patient
I think it was successful I am not done yet I am still seeing him hopefully he can fine the problem
Verified patient
Very knowledgeable doctor. He takes his time to explaining to you and answers all of your questions
Verified patient
The staff were great but the wait time needs improvement. I would def recommend them to my friends.
Verified patient
DR. Brun was very professional and attentive in answering and addressing all of my heath concerns.
Verified patient
He very patient set down and talk with us ask question and explain things to us very nice doctor
Verified patient
Everyone in the office was nice, effective, and very professional. Dr. Brun was the nicest
Verified patient
Listened intently, completely understood my issues, addressed them and now I have a plan
Dr. Brun takes his time to explain the results, treatments and next steps. He is great.
Verified patient
ZocDoc appointment never happened - not sure if Doc's assistants doing him a disservice
Verified patient
Extremely friendly. Takes his time to explain conditions and various procedures.
Wonderful besides manor and care . Great staff . Clean and explains things threw.
Verified patient
Dr. Brun is the best. He takes time with you and digs deep into your problem.
Verified patient
Wonderful physician. Excellent communication. Discussed all options in detail.
Verified patient
I am very satisfied with my visit of Dr.Brun’s office and highly recommend him.
Verified patient
He’s very friendly, understanding and patient. I couldn’t find a better doctor.
Verified patient
Very helpful, informative and kind. Extremely knowledgeable and took his time.
Verified patient
Dr. Brun was professional and friendly. He listened and explained thoroughly.
Verified patient
Excellent Dr I would recommend him to any one and all my friends and family.
He is very knowledgeable, listens to you and has an excellent bedside manner.
Verified patient
Great doctor , very knowledgeable and I can’t wait to my follow up Visit.
Verified patient
Great Doctor. Explained well and takes the timeout to make you feel welcomed.
Verified patient
made me feel very comfortable talking about my issue and very informative!
Verified patient
Yes I will definitely go back also I will refer my friend to Doctor Brun
Verified patient
He listened to all my concerns and is doing something about it right away.
Verified patient
Dr. Alexander was very communicative, professional and above all hopeful.
Verified patient
Very professional, polite and excellent communication and bedside manners.
Verified patient
He was amazing and really felt like he cared. I recommend him to anyone!
Verified patient
He is very sweet and gears your concerns thoroughly, and answers them.
Verified patient
Frequently asked questions

How soon can I make an appointment with Dr. Alexander Brun?

Generally, Dr. Alexander Brun has appointments available on Zocdoc within 1 week. You can see Dr. Brun's earliest availability on Zocdoc and make an appointment online.

Is Dr. Alexander Brun accepting new patients?

Dr. Alexander Brun generally accepts new patients on Zocdoc. You can see Dr. Brun's earliest availability on Zocdoc and schedule an appointment online.

Does Dr. Alexander Brun accept my insurance?

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Can I make an appointment with Dr. Alexander Brun online?

Yes, you can make an appointment online with Dr. Brun using Zocdoc. It’s simple, secure, and free.

What practice does Dr. Alexander Brun work with?

Which board certifications does Dr. Alexander Brun have?

Dr. Alexander Brun is certified by American Board of Internal Medicine and Gastroenterology (Internal Medicine).

What are common reasons for patients to see Dr. Alexander Brun?

Dr. Alexander Brun frequently sees patients for Abdominal Pain, Acid Reflux / Heartburn, Diarrhea, Gastroenterology Consultation, and Hemorrhoids. You can see other visit reasons for Dr. Alexander Brun on their profile.

What languages does Dr. Alexander Brun speak?

Dr. Alexander Brun speaks English and Russian.

How do patients rate Dr. Alexander Brun in reviews?

552 patients have reviewed Dr. Alexander Brun. The overall rating for this doctor is 4.94/5. They have a 4.95/5 rating for bedside manner and a 4.35/5 rating for wait time. You can read individual reviews and ratings on their profile.

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