Bon Chang "Andy" Koo, M.D.

4.7 out of 5 
Service(s): 
Language(s): 
English
Accepting New Patients: 
Yes

Dr. Koo completed both his M.D. and Internal Medicine residency at the NYU School of Medicine and completed his Gastroenterology training at Mt. Sinai Hospital. Dr. Koo was also a post-doctoral fellow in the study of various liver diseases at the University of Washington. He treats all aspects of gastrointestinal conditions and has special interests in the management of inflammatory bowel disease and therapeutic endoscopy. Dr. Koo is also trained in biliary endoscopy, capsule endoscopy, and endosonography.

Dr. Koo is board certified by the American Board of Internal Medicine in Gastroenterology.

Featured Reviews

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 09/13/2023

Dr. Koo always take his time in our appointments and clearly explains in detail what he feels is the best course of action for whatever the issue is at hand. He is friendly, extremely knowledgeable and patient and I would highly recommend!

   — Robin Katz


 07/09/2023

Even though this was my first visit with Dr. koo, he understood my need very quickly & kindly solved the solution. I was very happy to received his kind service.

   — Hiromi Kagitani


 06/28/2023

have been seeing dr koo for many years. outstanding and caring physician. I routinely recommend him to all my friends who need a GI doctor

   — May


 03/19/2023

Dr. Koo is very thorough. He asks a lot of questions to make sure he understands your health issue and is willing to work with you to satisfy your needs. I would highly recommend Dr. Koo to anybody in need of a gastroenterologist.

   — Carol Kunzig


 02/19/2023

They got 5 stars for doing their job. I was pre-screened by 3 minute phone call at home the day before. I was taken on time. My doctor remembered my case, answered all of my questions and the scheduling of the next appointment went very efficiently. This is what I want and don't always get.

   — William Daub


 12/01/2022

I have been seeing Dr. Koo for several years now as my gastroenterologist. He is always patient, thorough and extremely knowledgeable. I trust his guidance and we always come up with a logical and effective game plan regarding any of my health issues!

   — RK

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