Our Dentists

Derek Zimbardi, D.D.S.

Dr Derek Zimbardi | Dentist Long IslandDr. Derek Zimbardi received his D.D.S. degree -- Doctor of Dental Surgery -- from the New York University School of Dental Medicine, Manhattan, New York in 1996. He received his B.A. degree in Biology at the State University of New York at Binghamton.

Dr. Zimbardi received his post doctoral General Practice residency at Long Island Jewish Medical Center, New Hyde Park, New York from 1996 - 1998. His final year of Residency was distinguished by being appointed Chief Resident.

Dr. Zimbardi has been in private practice since 1998 and is currently a member of the following dental societies:

  • Nassau County Dental Society
  • New York State Dental Association
  • American Dental Association
  • Omicron Kappa Upsilon

Dr. Zimbardi honors and achievements include:

  • Dr. Samuel Hess Memorial Award
    - New York University College of Dentistry
  • Member Omicron Kappa Upsilon
    - Omega Chapter (Honors Dental Fraternity)
  • Vice President - Student Counsel
    - New York University College of Dentistry
  • Vice President - Class of 1996
    - New York University College of Dentistry

Dr. Zimbardi is a member of the Peer Review Committee of the Nassau County Dental Society


Cristina David, D.D.S

Dr Cristina David | Dentist Long IslandDr. Cristina David received her D.D.S. degree -- Doctor of Dental Surgery -- from the New York University School of Dental Medicine, Manhattan, New York in 2001. She received her Associate in Arts: Pre-Dentistry (1992) and her Doctor of Dental Medicine (1996) at Centro Escolar University, Manila, Philippines.

Dr. David received her post doctoral General Practice residency at Long Island Jewish Medical Center, New Hyde Park, New York from 2001-2003. Her final year of Residency was distinguished by being appointed Chief Resident.

Dr. David is now in private practice and is currently a member of the following dental societies:

  • Nassau County Dental Society
  • American Dental Association
  • Dental Society of the State of New York

Currently, Dr. David is an Assistant Clinical Attending Dentist with full privileges at Long Island Jewish Medical Center, Department of Dental Medicine.

Dr. David has published in several professional journals and has been involved in volunteer work, such as Operation Smile in Manila, Philippines. Operation Smile was an outreach program where Dr. David provided free dental education and dental treatment to underserved urban communities.

Meet Our Dentists

Our pediatric dentists, general dentists and anesthesiologists are fully trained and experienced to provide our patients with the highest quality of care.

Board Certified Pediatric Dentists
Dr. Mary George
Dr. Gina Sajnani
Board Certified Dentist Anesthesiologist
Dr. Ralph Epstein

Locate our office

Distinctive Dental Services of New York 173 East Shore Road, Suite 201
Great Neck, New York 11023
Tel: 516.487.8110 Maps & Directions » Contact Us