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    James De Leonardis, DDS

    3.7 (15 reviews)
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    Services - James De Leonardis, DDS

    Cavity treatment

    Dental bridges

    Crown installation

    6 More Services

    Crown cleaning

    Dental exams

    Dental implants

    Dental sealant application

    Teeth cleaning

    Tooth filling replacement or repair

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    Review Highlights - James De Leonardis, DDS

    Dr De Leonardis was very quick and painless, very skilled dentist.

    Mentioned in 4 reviews

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    People searched for General Dentistry 14,358 times last month within 15 miles of this business.

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    Oceanside Dental - Dr. Mariana Sapir

    Oceanside Dental

    5.0(1 review)
    0.6 mi

    Kindest Dentist I've ever had the pleasure of seeing. I've been her patient from day one and she's…read morenever been anything but honest, kind and understanding. In fact I've had to insist she charge me for work she performed to fix issues due to my TMJ. My children love her and my husband has no complaints either. So glad dentist like this exist.

    From the owner: Welcome to Oceanside Dental, the office of Mariana Sapir, DDS. Creating and maintaining healthy…read moresmiles that inspire confidence is the number one priority at Oceanside Dental. Proudly serving the Oceanside community and the surrounding area, we offer a full range of the latest and most advanced dental procedures designed to meet the needs of every member of your family. A healthy and beautiful smile is not only an attractive asset, it is essential to your overall well-being. At Oceanside Dental you'll receive the finest quality dental care enhanced by an outstanding level of artistry and delivered in an environment that is both comfortable and caring. With today's array of sophisticated and modern dental technology even the most challenging smiles can be transformed into ones that dazzle. We use the most advanced techniques to provide all our patients with outstanding results. Throughout this website you will find an abundance of information about our practice, the procedures we provide and how we can help you maintain excellent oral health while achieving the beautiful smile you desire. Please feel free to contact us if you need any additional information or to schedule an appointment.

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    Oceanside Dental
    Oceanside Dental
    Oceanside Dental

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    Long Island Endodontics - A line across my teeth of partial white and partial discoloration. The discoloration is my normal tooth color.

    Long Island Endodontics

    4.3(27 reviews)
    3.3 mi

    I would not recommend based on my office experience. I was referred to Long Island Endodontics by…read moremy dentist, with whom I have been a patient for years. Long Island Endodontics charges $275 for a consultation without x-rays. If you choose to have the procedure performed at that office, the consultation fee is applied towards your bill. I did not receive a receipt for the $275. It was a mistake on my part not to ask for one. The invoice for this visit was sent to my place of employment, which I find to be very unprofessional. I was billed $627.00 for x-rays. Patients should be informed that their x-rays are on the high end. My dental insurance only covered $87.00 and I can understand why. The individual responsible for billing is unprofessional in communication, both verbally and through email. My visit to this office is costing $550 with no dental work being performed. The kicker! They have pursued legal action against me for the $275. I did inform my dentist about my unfortunate experience with this office. I was provided me a new referral and had a much better experience. The total cost for my root canal (two visits), crown and x-rays, was less than $250.00.

    Dr. Berry is amazing! I was completely terrified the night before my root canal and could not…read moresleep. It was completely painless. Dr. Berry was so gentle that I actually fell asleep during the procedure I was so exhausted. If you're ever in I need of an endodontist definitely contact Dr. Gordon Berry... an excellent Doctor and a very kind human being.

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    Long Island Endodontics
    Long Island Endodontics
    Long Island Endodontics

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    Rockville Centre for Dentistry - Assistant Squad!

    Rockville Centre for Dentistry

    4.7(14 reviews)
    1.4 mi

    When you need your teeth cleaned, be sure to request Laura. She is the best! Her technique is…read morewonderful and she really cares about your toothcare. No pain and never rushed. She takes whatever time is needed to care for her patient.

    I have waited well over a year to put to words my experience with Dr. Hasday…read more I went to him to have an implant done. The experience went smoothly until a couple of days later when my face started to swell. I went back to Dr. Hasday's office and was given a stronger antibiotic to combat the infection that was beginning. Another couple of days and the swelling didn't go down, in fact, the swelling began to spread. Went back to Dr. Hasday, his exact words were that he "was not worried at all" and to wait for the antibiotics to take affect. Two more days later, I went back to his office for the third time. I was told to go to the hospital immediately as it seemed that the infection was spreading down my neck and up my face. I ended up spending FIVE DAYS in the hospital. And that's not even the worst part of the story! Dr. Hasday, while attentive when the implant failed and while I was in the hospital, soon began to ask for payment! Payment for a failed implant that left his patient in the hospital for FIVE DAYS! I thought that there must be a mistake and he assured me that he had to seek payment from me because it could show fault on his part if he didn't! Ultimately, he did return some of the money that I had already paid. Then it was time to re-attempt the implant. The negotiations were on again! I stupidly paid, again, to have the implant done with his office. SECOND IMPLANT ALSO FAILED! So, thousands of dollars spent, 5 days in the hospital, one terrifying infection, one infection/implant removal surgery and still no implant. I recognize that some of what happened was out of Dr. Hasday's hands. However, how he comported himself during one of the worst times of my life, is all him. This is a doctor that does not care about you. Trust me. By the way, I am still receiving calls from his office for payment.

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    Rockville Centre for Dentistry - Our state of the art office is located on the corner of Park Ave and Grand Ave in Rockville Centre

    Our state of the art office is located on the corner of Park Ave and Grand Ave in Rockville Centre

    Rockville Centre for Dentistry - Dt. Keith Hasday

    Dt. Keith Hasday

    Rockville Centre for Dentistry - Dental Excellence in Rockville Centre

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    Dental Excellence in Rockville Centre

    James De Leonardis, DDS - generaldentistry - Updated May 2026

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