1. Steven Gruenstein, MD

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New York, NY

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Steven Gruenstein, MD

5.0 (2 reviews)
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Manhattan Hematology Oncology Associates

Manhattan Hematology Oncology Associates

2.8(12 reviews)
2.7 mi•Murray Hill, Kips Bay, Midtown East

I am in a journey of unknowns since being diagnosed with Multiple Myeloma back in July of 2021…read more The stars aligned when different dear beloved people in my life directed me to Doctor Goldenberg of Manhattan Hematology. No words describe my progress to wellness since and the unbelievable care and compassion of Dr. Goldenberg and staff. Yes angels do exist ! I am soon to move to final phase of treatment . My bad numbers Myeloma proteins are moving down to normal levels . Cannot say enough about Tracey , Paulene the nursing team , Christine and Omar in Administration . A level of love professionalism and compassion that is indescribable . G d Bless Dr. Goldenberg and Manhattan Hematology Oncology Thank you Barry Kaufman

This office is practicing balance billing for in network providers which is against the benefits…read morepolicy. The doctor is in-network with our insurance. The insurance says that the services are covered. There is no patient responsibility except for copays or lab copays. Christina, has been attempting to bill the difference between what the insurance says is the allowed rate, as per the doctor and insurance contract, and what the practice is charging. As a in-network provider, this is a breach in contract. She keeps making excuses about the insurance denying claims/ not reaching out to her / that her hands are tied to handle this situation but the only denials that the insurance see are for services that THEY were too late to file a claim for or filed incorrectly. Even then, there is no patient responsibility. That's on them to take the loss for having a clearly clueless and inadequate billing team who does not know what they are doing. And then they have the audacity to threaten to send to collections, for a bill not within patient responsibility as stated by insurance. Christina is clearly trying to avoid doing her job in order to force patients to pay off whatever charge the office wants. Uncooperative, ignoring calls from the insurance to clear the issue, and now us. She keeps acting like it's a problem that the insurance and the patient needs to solve but that's not the case. This is a problem that the office's billing department is supposed to solve. Insurance has already settled that the services are covered with only the copay as patient responsibility. The denied claims is because the billing department was too late and not doing their work in time, not because of lack of coverage. There is no argument, there is nothing unresolved. It's on Christina. Do not go to this office. They deserve to be shut down.

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Manhattan Hematology Oncology Associates
Manhattan Hematology Oncology Associates
Manhattan Hematology Oncology Associates

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David B Samadi, MD - Dr. Samadi and me moments before my surgery. 2016

David B Samadi, MD

3.9(36 reviews)
1.7 mi•Midtown East

Choosing Dr. David Samadi to handle my prostate surgery was one of the best medical decisions I…read morehave ever made. My surgery was in 2016, and now, 10 years later, I could not be happier with the decision or more grateful for the outcome. I was recently at a funeral and recommended Dr. Samadi to a friend who is dealing with a prostate issue. Since it had been many years since my surgery, I decided to look him up again to see what my friend might find in an online search. After reading some of the one- and two-star reviews, I felt compelled to share my own experience. Dr. Samadi has a very special gift. I thank God every day for his medical knowledge, surgical skill, and the care he provided to me. He is truly a fantastic doctor and surgeon. I did have one unpleasant experience at the hospital, but it had nothing to do with Dr. Samadi or anyone on his personal team. It involved other hospital staff. With a different attitude, I could have allowed that one incident to define my entire experience, but that would have been unfair and would have completely missed what mattered most: the exceptional medical care and surgical outcome Dr. Samadi gave me. His staff was second to none! Who cares if he does not always wear scrubs or if his waiting room sometimes feels like a newsroom? I did not choose him based on his clothing or office atmosphere. I chose him because I wanted an extraordinarily talented surgeon to treat a serious medical condition--and that is exactly what I received. Ten years later, I remain profoundly thankful that Dr. Samadi was my doctor. He deserves far more credit than some of these reviews give him. I would recommend him without hesitation.

Absolutely instills no confidence, vague diagnosis pessimistic and loves to collect patients and…read moretheir funds..I would never recommend this doctor to anybody I know...

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David B Samadi, MD - Typical room after surgery.

Typical room after surgery.

David B Samadi, MD - Dr Samadi first consultation. 2016

Dr Samadi first consultation. 2016

David B Samadi, MD - More staff members. They were all very kind and helpful during reconvery.

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More staff members. They were all very kind and helpful during reconvery.

Mount Sinai Chelsea Center - Best thing about this place

Mount Sinai Chelsea Center

2.3(21 reviews)
3.6 mi•Meatpacking District, Chelsea

I came here for a gynecological procedure. I was handled with care and felt most at ease with the…read morestaff here. Only complaint was the front desk gave me a different time and seemed to also be a little confused about what my actual surgery time would be. The other staff though, once I was checked in was AMAZING and I can't express how much I felt valued as a human and felt safe. Gabor Nemesdy, was my Anesthesiologist and he was just great!!! My nurse was Annie and she was also great! My surgeon was my primary Obgyn, Michael Frey, who is always amazing and the only one I would trust to do my surgery and his assistant was, Chioma Iwelumo and she was also lovely! Overall I can't say how thankful I am to have the team I had take care of me!

At first glance, you would think this facility is nice because it is clean and modern. The minute…read moreyou come through though Security directs you to wear a mask! That should have already flagged me to flee! I waited half an hour for my appointment and then 50 minutes for the next one. I was sitting in the inside waiting area after the first appointment and nobody came to get me. When they finally realized there was a patient unaccounted for, they try to shift the blame on the patient and said if something like this happens I should have alerted someone! It is obvious you do not know who comes and goes in your facility! DO NOT blame the patient for the inadequacies of the staff! If I was missing did someone bother to go and look to see if I am still in the facility? Did anyone ask me my name and why I am still sitting there? Instead, I am supposed to go in search of staff! In hindsight, I should have run out into the hallway and knocked on every door looking for staff so I could make a run and not come back to this place! Both technicians are really rough too! I am still sore from the both of them. There are lockers but not for patients to use! You have to carry all your belongings with you. At the time I was in the wait area an unhinged lady was sitting there tearing up her personal junk mail. She'd been sitting there for a long time and I bet nobody asked her what she was doing there! She didn't have a mask on either. I'm surprised security didn't burst in there to reinforce a stale process. The one star is for the Keurig and water machine!

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Mount Sinai Chelsea Center - Wait area

Wait area

Mount Sinai Chelsea Center
Mount Sinai Chelsea Center

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Steven Gruenstein, MD - oncologist - Updated October 2026

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