1. Louis Avvento

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Riverhead, NY

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Louis Avvento

5.0 (2 reviews)
Open Open 24 hours

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3 months ago

Care, quality and expertise was all beyond perfect. I highly recommend this company.

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2 years ago

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New York Cancer and Blood Specialists

New York Cancer and Blood Specialists

3.9(10 reviews)
19.2 mi

Front desk staff are not that friendly and do not seem pleased to be working there but everyone…read moreelse is pleasant and helpful. Even those just taking blood/administering infusions and injections. The doctors are extremely thorough and will run every test they can think of to help diagnose the issue. I do believe the quality of care is high but there are definitely areas to be improved on starting with reception.

Every time I go, I pay in person. Yet repeatedly, every time a few days later I am billed for what…read moreI just paid. Poor billing department. Also, every time I go, the secretaries tell me that my appointment is a different day/time. EVERY TIME I GO! So then I am left with waiting 1.5 hours for a bus ride home, for I cannot drive. They are unorganized, so I stopped going there and switched to Stony Brook Hospital Hematologists. I first tried seeing Dr. Yelda Nouri. She quickly stated something briefly. Then she rushed me out the door. I tried to ask some questions. She replied in about five words. Then she left the room to make more money by seeing more patients. She does not care about patient's health; works only for money. Dr. Nawaz is brilliant and kind, yet runs 45-60 minutes late. The Patchogue location has poor quality sensors for the water to turn on in the restrooms. The water turned on for only one second, off four seconds; on again for one second; then no more water at all from the faucet. I have never experienced such poor water sensors before. I almost began to bleed caused by so-called blood specialists. They seem to have no idea what causes eczema. My fingers within two minutes became cracked, peeling and almost bleeding from this location. Patients with eczema, beware. In general, NY Cancer and Blood Specialists has some good doctors, some not so good, and the quality of everything else is poor.

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New York Cancer and Blood Specialists
New York Cancer and Blood Specialists

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Dyson Center for Cancer Care - Vestibule

Dyson Center for Cancer Care

3.5(8 reviews)
84.1 mi

Supposed to have 2 nd infusion Thursday. Again, they cant get an order for the required blood test…read morefaxed. They just dont bother to send the required orders to the labs doing the work. Their administration is the most useless bunch of paper handling, money seeking leeches i have ever encountered. And when they really mess up, they will not talk to you while repeating over and over how much they care about MY health. If you value your life, I suggest you run from them to any other facility. Edit. To be clear, the person to person staff was very caring. I dont have any issues from the actual care i received from the nursing staff. They have no more control over the system than I do. My issue is TOTALLY WITH ADMINISTRATION. THE PROBLEMS ARRISE BECAUSE THEY RREFUSE TO HIRE ENOUGH PEOPLE TO DO THE WORK, apparently relying on the new magic internet and paiient portals to save them.

Everyone is very professional and cordial at the Dyson Cancer Center…read more You expect that from the Doctors. This is helpful for the patient and family. I like to mention the rest of the staff: From the free car valet service, to the front desk staff, John and Nicole in scheduling who make future appointments a breeze; I have no complaints. You're not on a Disney world vacation; this is reassuring and a source of comfort. In what can be a scary situation. Housekeeping keeps the buildings and grounds spotless.

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Dyson Center for Cancer Care
Dyson Center for Cancer Care
Dyson Center for Cancer Care

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Louis Avvento - oncologist - Updated July 2026

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