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Dr. Alexander Brun, MD

Gastroenterologist

Professional statement

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.

In-network insurances

  • 1199SEIU
  • AARP
  • Aetna

Specialties

  • Gastroenterologist

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.

Zocdoc awards

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Languages spoken

  • English
  • Russian

Provider's gender

Male

NPI number

1164735072

Office locations

91Dr. Igor Grosman

Staten Island Office

2076 Hylan Boulevard

Staten Island, NY 10306

91Dr. Igor Grosman

200 Livingston St

Brooklyn, NY 11201

91Dr. Igor Grosman

1517 Voorhies Avenue, Floor 1

Brooklyn, NY 11235

91Dr. Igor Grosman

2063 Bartow Ave

Bronx, NY 10475

Patient reviews
All reviews have been submitted by patients after seeing the provider. For more information, check out our Patient Knowledge Base.
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Great bedside manner. Very friendly.
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The doctor was great, he has a very relaxed and easy bedside manner without being dismissive or making me feel less important. I would come back. However, that front desk staff.....leaves ALOT to be desired. Short tempered- it was 1st timein the office and they seemed annoyed that I didn't know THEIR routine and was asking questions of them.
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It’s always a pleasure seeing Dr. Brun. His bedside manner is amazing, he never rushes me and I enjoy seeing him.
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Great doctor with a nice bedside manner, but had to wait about 45 minutes. Would still recommend though.
Less than 1 month ago
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Excellent Doctor!
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He’s an awesome Doctor. He got me in right away after the initial visit to confirm the ulcers and to figure out what’s causing the problem. Dr. Brun has an incredible bedside manner and is just an overall wonderful person. Ifyou’re looking for a new GI doctor you will not regret going to see him. I wish he was the first GI doctor I had gone to, would’ve solved my issue right away.
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The doctor was very pleasant and professional. Answered all my questions. Made me feel very comfortable.
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I am very satisfied with my visit of Dr.Brun’s office and highly recommend him.
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He’s very friendly, understanding and patient. I couldn’t find a better doctor.
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Kind and friendly. Would go to this doctor again
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He's honestly the nicest doctor I've ever had. Having had to speak with him about hemorrhoids (which can be very awkward) he was very kind and friendly, and made me feel totally comfortable. I would absolutely go back to see him 100%.
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He was great, agreed I needed to proceed with testing while assuring me I had little to worry about. Also made friendly conversation.
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Very understanding, not judgemental, soft spoken, and smart! I would definitely recommend him to all my friends and family.
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Excellent doctor, knows what he’s talking about and really cares about the patient and wants to helps them as soon as possible. One of the better doctors I have ever been to.
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Dr l. Brun is amazing. Gentle, kind and attentive. He suggested some enzymes for my bloating and gas. I hope it works. He is a very good doctor. Highly recommend him!
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My actual appointment with Dr. Brun was fantastic - he is thorough, considerate and has spectacular bedside manner. I highly recommend seeing him. However, his office is a disaster. The lobby is chaotic, the administrative staff is disorganized,rude and unprofessional. The wait time was excessive - I arrived early (about 30 minutes) and I still wasn't seen for about 40 minutes after my scheduled appointment. I called to confirm something about a future appointment, and the person who answered the phone was inconsiderate and inappropriate. She answered the phone, and then proceeded to have a conversation with someone at her desk without saying, "Just a minute,"/"I'll be right with you" and didn't so much as place me on hold. Again, Dr. Brun is excellent, but the way his administrative staff conducts themselves is a major turn-off.
Less than 6 months ago
Source: Zocdoc
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Dr. Brun is an excellent doctor. He administered two endoscopies and both went very well. He addressed my health issues and I’ve seen great improvement in my health as a result. I highly recommend him!
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inhave not know Dr. Brun long enough to answer the question. I still have health issues that need to be addressed.
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Alexander was very friendly and professional. We're the same age so we got along right away. He knew exactly what discomfort I was going through and suggested what the next step to curing me would be. Enjoyed my visit very muchand I would highly recommend a visit to Dr. Alexander Burn.
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Dr. Brun was attentive, affable, kind, and addressed the concerns I had about my health. I look forward to returning to him again
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Dr. Brun is amazing, we love him.
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Super at all aspects... two procedures done with super ease....
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Very professional, polite and excellent communication and bedside manners.
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Wait time was a little long, but worth it. Dr. Brun was very knowledgeable, excellent bedside manner, and he helped to cure the issue I was having. Would definitely recommend him for anyone looking for a GI.
More than 1 year ago
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Dr. Brun is an extraordinary doctor. He has great bedside manner, cares about his patients, easy to talk to, and very passionate about what he does. He diagnosed me and gave me the appropriate treatment to get better as soon aspossible. I can't thank him enough for helping me resolve my issue. I highly recommend him to anyone because he is the best.
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Great and sensitive about listening to MY needs. Immediate follow-up for procedure to rule out IBS and stomach cancer.
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A1
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Awesome
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The Dr was very attentative , didnt rush throughbhis patient , very friendly ... excellent Patient Care..
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Very nice and answered all my questions.
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Very reassuring and compassionate staff!
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Handsome nice and professional
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Nice Doctor very informative
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Nice doctor and very personable. Will seehim again
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It's not my first visit and, as usual it's excellent in all aspects.
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Excellent treatment, very professional and quite pleasant.
More than 1 year ago
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I've seen Dr. Brun for many years and he has always been extremely thorough and attentive. He also has excellent bedside manner and, aside from being one of the smartest doctors/people I know, generally cares about your well-being. I've recommended him to all of my family members.
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very nice and friendly doctor
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very good
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Not professional stuff at the front desk !!!! Wait time horrible!
More than 1 year ago
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Very high professional Thank you
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DR. Brun was very professional and attentive in answering and addressing all of my heath concerns.
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Very professional and respectful
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My appointment for Dr Brun was for a colonoscopy / endoscopy. I waited for about 30 minutes then was prepared for the two procedures. I was done in about 30 minutes, then waited for the anesthesia to wear off. Meanwhile Dr.Brun discussed the results with me, then I was on my way. HIs professional staff also made the visit pleasant.
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He is very sweet and gears your concerns thoroughly, and answers them.
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My visit with Dr. Brun was very good. He made me feel comfortable and at ease. Explained everything and made it easy for me to ask questions. I would highly recommend.
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He is great!
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Dr. Brun seems very knowledgeable and easily approachable. However, two hours is way too long of a wait for an 8:30 am appointment. Also, the restroom in the waiting/reception area was ATROCIOUS! It was unclean and there was no paper. Unacceptable for a doctor's office.
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Doctor is very good and I would definitely recommend him
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Dr Brun is excellent doctor! Very pleasant, polite and professional. He responded to all my questions. It feels like he really love his job and his patients. Highly recommend him to everyone! The wait time was indecently long, but I guessit can happen everywhere and even that didnt spoil my visit to Dr Brun, because he was great.
Source: Zocdoc
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