175 Atlantic Ave.
Oceanside, NY 11572

Mon: 8:00AM - 7:00PM

Tue: Closed

Wed: 8:00AM - 7:00PM

Thu: 2:00PM - 7:00PM

Fri: 9:00AM - 1:00PM

Sat: 8:00AM - 1:00PM

Sun: Closed

100.0% would refer friends and family to us

5 stars Customer since 2020

Dr DeLeonardis came in on his day off at 7:30 at night to take care of a tooth I needed pulled. What Dentist does this? ... Read More

5 stars Verified customer

Always a great experience.

5 stars Customer since 2020

Always good and great staff.

5 stars Customer since 2020

I and my wife particularly appreciate James De Leonardis friendly nature and how he gives understandable dental care adv ... Read More

5 stars Customer since 1999

The best dentist ever. He treats us like family. He and his staff have a gentle approach.

5 stars Customer since 2008

The office is professional, friendly and accommodating. Dr. Leonardis has extensive knowledge and experience. He saved ... Read More

5 stars Customer since 2009

I actually enjoy going to Dr. De Leonardis' Facility. He and his staff are truly concerned for my needs and comfort. ... Read More

5 stars Customer since 2019

Job well done

5 stars Customer since 2007

Dr D is a wonderful dentist! and his staff is great!

5 stars Customer since 2021

Very friendly atmosphere.I had a complete check up and cleaning without any discomfort or pain.