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Sing Chan, MD

3.6 (14 reviews)
Closed 9:00 am - 7:00 pm
Updated 2 months ago

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1 year ago

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4 years ago

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2 years ago

Keeps sending me bills in the mail for visit that I already paid for! Overbooked and always crowded waiting rooms. AVOID AT ALL COSTS!!!

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4 years ago

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10 years ago

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5 years ago

Over booking patients. Waited 3 hours after my appointment time for Colonoscopy that is scheduled.

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5 years ago

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12 years ago

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7 years ago

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8 years ago

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8 years ago

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9 years ago

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8 years ago

Just had an endoscopy this morning. The new office is awesome!

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9 years ago

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Martin Wolff, MD

Martin Wolff, MD

5.0(15 reviews)
8.0 miMidtown East

Thank you! Dr.Wolff for taking care of me. Dr.Wolff listens…read moreto you, pays attention and makes precise diagnosis. He knew my medical history even the first time I went..... because he cares. I did my colonoscopy and endoscopy with courage, only because I knew that this doctor is very reliable. I highly recommend him to everyone. Expert in his field definitely. His office is very clean, and the people working there only reflect on the doctor. Aline R.

Dr. Wolff is the best. He listens to you. He's compassionate. He is thorough when discussing your…read moreCare Plan. And if you look at him long enough you might mistake him for Justin Timberlake (He's been told this btw). He is so friendly and he's pretty good at remembering who you are so you don't feel like you're going to become just another patient in the crowd. His office is located a block away from Grand Central Station so it's pretty easy to get to him. The check in process was a bit confusing to me. I entered one office to check in and the was told to go to another office where I was being expected. When I walked into that office, they had no idea who I was and I had to repeat the process of answering check in question all over again. If Dr. Wolff schedules you for a procedure, it will likely be downtown at Liberty Endoscopy. His staff there is very efficient and on the ball with time management. After prep, Dr. Wolff comes in for a short but sincere chat on what will be happening, how you're feeling, and time to give answers to any questions you might have. The next time you see him, it will be in the OR and he explains everything to you again as well as make sure you are okay. I love that he is so genuine putting his patients first. He or his anesthesiologist will guide you into lullaby land as you drift off to oblivion. And then you wake up to find that everything is done. The Doc comes back to discuss his findings with you after you've had time to shake off the sleepiness. My Gastroenterologist is better than yours...lol.

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Preeti Mehta, MD

Preeti Mehta, MD

2.9(17 reviews)
7.1 mi

On my initial visit I was kept waiting for 2 hours and ended up seeing a nurse practitioner because…read morethe doctor was unavailable. When I went in for my scheduled colonoscopy, I was kept waiting several hours before I was taken into the procedure room. I made a follow up appointment and was called that afternoon that the doctor was unavailable but she can call me later that day they would call to check me in to obtain my co-pay who charges a co-pay for a follow up to a procedure. I've never had to do that before they called me to check in 30 minutes after they said they would and the doctor would be calling me in 10 minutes. It is now an hour later and I still haven't received a call. I'm going into the office to collect my records and will never use this facility again.

Although the NP was very nice I never met with the doctor with whom I had made the appointment…read morewith.. no reason was given . The NP told me I needed an MRI and sonogram immediately (that day) which alarmed me. I got an appointment for an MRI a few days later. The NP called after the results were on the portal and told me I needed to meet with a surgeon. Still no discussion with the doctor. Her reasons for my needing to meet with the surgeon were short and not understood or explained to me . Overall a rushed, concerning appointment with no interaction with the doctor whatsoever. Don't make appointments when it's obvious you don't plan to keep them...

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Sing Chan, MD - internalmed - Updated June 2026

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