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    Oleg Katcher, MD

    4.0 (4 reviews)
    Closed 10:00 am - 5:00 pm

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    NYU Langone Brooklyn Endoscopy & Ambulatory Surgery Center

    NYU Langone Brooklyn Endoscopy & Ambulatory Surgery Center

    4.2(10 reviews)
    0.3 miMidwood

    Had endo apptmt for 7:15am on 2/5/24 and due to a billing error, account was showing that I needed…read moreto pay $6k co-pay for procedure. Instead of the receptionist helping sort it out...she yelled at me, "Sir! You need to decide what to do right now!" I had to tell HER to calm down and relax. Yelling at a patient! Yelling over $6k as though she is the one paying that outrageous amount. This is unprofessional. I am a patient. I can have a terminal condition and instead of some bedside manner I get barnyard animal attitude! It's customer and patient services. Have some professionalism or get a more appropriate job to the level of attitude with which you carry yourself.

    Appointment was for a routine colonoscopy and endoscopy. I saw Dr. Vozick. He was extremely…read moreknowledgeable, made sure I understood everything that was going to be done, extremely friendly and empathetic, kind, and thorough. He is, quite literally, everything you want your doctor to be. Let's face it. The procedure is a little bit like going to the dentist. Nobody wants to go, but it's quite necessary. We're all scared, ummm.... sh*tless by teh procedure, but Dr. Vozick was calming and reassuring. Made sure I understood every step of the procedure. The preparation was still... ummm.. bad. But after the prep, Dr. Vozick made the whole thing easy peasey. I am *so* glad I went to him. I know it's weird to hear someone gush about a proctologist, but... he's the best!

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    NYU Langone Brooklyn Endoscopy & Ambulatory Surgery Center
    NYU Langone Brooklyn Endoscopy & Ambulatory Surgery Center
    NYU Langone Brooklyn Endoscopy & Ambulatory Surgery Center

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    Jonathan Warman, MD

    Jonathan Warman, MD

    4.1(9 reviews)
    11.5 miUpper East Side

    I've been a patient of Dr. Warman's for 15 years now. Claudia McGeary, formerly right-hand…read moreassistant to John Squire and, later, me, referred me to him. She's old school and meeting her standards ain't easy. Dr. Warman is the best internist on the Eastern seaboard. His front office staff does a great job managing the patient load. The result: almost no waiting time (15 minutes MAXIMUM) at his office. He has a great referral network. Oh yeah, and he's Steve Guttenberg. He's affable yet efficient, good- humored, and he takes your health and privacy seriously. When he has test results for you, including and especially STD/STI/venereal disease tests, he himself calls you. If you don't pick up, then he leaves you a message telling you to call him back, but doesn't leave the results of the tests themselves in the message. Those he ALWAYS gives you over the phone or in person. He delivers the good news briskly, and you feel he is as happy and relieved as you were. I've also seen him deliver the uncertain or bad news with kindness and understanding, spending hours with her and her family, discussing which option would be the better one. It was a contentious proceeding, but he handled it with diplomacy. professionalism and patience. The process lasted for several hours, concluding in a major decision that prolonged the patient's life. He has embraced the latest technology and pioneered an easy check-in process that streamlines the provision of patient information including insurance.

    Nice, pleasant and thorough the colonoscopy was quick well done. Doctor is congenial informative.read more

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    Jonathan Warman, MD
    Jonathan Warman, MD
    Jonathan Warman, MD

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    Gotham Gastroenterology

    Gotham Gastroenterology

    5.0(1 review)
    6.2 miBrooklyn Heights

    Great office Dr Leslie Park carefully and professional resolved my medical problems. Good…read morelistener and really care about patients I don't have pain right and so happy I am back to normal I really recommend this doctor especially if something new symptoms of you stomach or intestine coming up . Thanks for your help New patient SVETLANA

    From the owner: The experienced board-certified physicians at Gotham Gastroenterology offer comprehensive and…read morehighly specialized care in gastroenterology, hepatology, women's gastrointestinal health, and nutritional services.  With locations throughout New York City in the Midtown East and Financial District neighborhoods of Manhattan, New York, and Brooklyn Heights, Brooklyn, Gotham Gastroenterology provides the highest quality medical care and services in a compassionate, professional, and personalized environment. Gotham Gastroenterology's physicians have expert skills in performing endoscopic procedures, which allow them to see the intestinal tract in great detail. This ensures optimal diagnosis, treatment, and prevention of digestive system diseases.  Patients come to the practice with a variety of symptoms, such as bloating and gas, abdominal pain, diarrhea, constipation, bloody stools, and nausea and vomiting. Some of the conditions these exceptional gastroenterologists treat include gastritis, H. pylori infections, peptic ulcer disease, irritable bowel syndrome (IBS), swallowing disorders, liver disease, pancreas and gallbladder disease, hemochromatosis, celiac disease, diverticulitis, and Barrett's esophagus, as well as acid reflux and gastroesophageal reflux disease (GERD). They also treat inflammatory bowel disease, which includes ulcerative colitis and Crohn's disease...

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    Oleg Katcher, MD - gastroenterologist - Updated June 2026

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