Welcome to N.J. Nicastro Dental PC, where you can find almost every aspect of dentistry for the whole family. N.J. Nicastro Dental PC began as a family practice run by father and son, and we continue to provide that “family” aspect by treating our patients as we would our own loved ones. We have proudly served the Long Island area for over 40 years, and invite you to join our dental family today by contacting our dentists to schedule an appointment.


As the owner of N.J. Nicastro Dental PC, Dr. Nicholas Nicastro is excited to welcome you to our practice!

Dr. Peter Felpo is a skilled, friendly dentist committed to providing you with a great experience!

Click here to meet the caring, knowledgeable team who helps our dentists care for your smile!
Your Dentist in Port Jefferson Station, New York, and Surrounding Areas
Nicholas J. Nicastro, Jr, DDS & Peter S. Felpo, DDS
Dr. Nicastro and Dr. Felpo, along with our team, welcome your whole family to our office! We are proud to provide high-quality family dentistry in Port Jefferson Station, New York, and offer high-tech services, such as cone beam technology, Wi-Fi, and digital X-rays. Our patients have been coming to our office for years to achieve healthy, beautiful smiles and have their dental questions answered by our knowledgeable team. We hope you will come see us soon!