Dr. Marc Gainor, DMD, Dentist

Dr. Marc Gainor, DMD

Dentist

1 Rockefeller Plaza
#2219
New York, NY 10020

Overall rating

5.0

Top reviews

I have been a patient of Dr Gainor for over ten years. He and his staff are extremely professional and the work that they do is amazing. Nothing but praise. Go see him, you will not be disappointed.

Andrew C. • November 20, 2025

Thoughtful and caring service.

Gloria B. • September 09, 2023

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Dr. Marc Gainor, DMD?


About Dr. Marc Gainor, DMD

Dr. Marc Gainor grew up on Long Island and has been in the private practice of dentistry for over 44 years. He graduated with a BA in Biology from the University of Pennsylvania in 1977 and received his DMD degree from the University of Pennsylvania School of Dental Medicine in 1981. He then completed a post graduate General Practice Residency in Dentistry in 1982 at Maimonides Medical Center in Brooklyn.

In 2006 Dr. Gainor was awarded the title of "Master" of the Academy of General Dentistry and was also awarded with the Lifelong Learning and Service Recognition Award from the Academy for his continuing education achievements and service to organized dentistry.

Dr. Gainor loves teaching and has taught courses in dentistry nationally and internationally for the last 15 years. He currently serves as Visiting Faculty at Spear Education in Scottsdale Arizona and Visiting Faculty at the Pankey Institute in Key Biscayne, Florida, and has held past appointments as Clinical Instructor at both the University of Pennsylvania and New York University.

Dr. Gainor has been very involved in organized dentistry for over 20 years. He was elected General Chairman of the Greater New York Dental Meeting (the largest dental meeting in the United States), Secretary of the New York County Dental Society, Manhattan Area Vice President of the New York State Academy of General Dentistry, as well as President of the New England Masters Study Club. He served as a member of the Board of Directors of each of those organizations for many years.

Dr. Gainor is a member of the American Dental Association, the Academy of General Dentistry, and the New York County Dental Society. He has been awarded Honorary Fellowships in the American College of Dentists, International College of Dentists and the Pierre Fauchard Academy.


Services, Conditions and Procedures

Invisalign®

Teeth Whitening

Crowns and Bridges

Veneers

Extractions

Emergency Dentistry

Restorative Dentistry

TMJ

Preventive Dentistry

Bite Occlusion

Smile Makeover


Location

Rockefeller Dentistry

1 Rockefeller Plaza
#2219
New York, NY, 10020


More About Dr. Marc Gainor, DMD

Practice

Rockefeller Dentistry

Specialties

Insurance

  • Aetna
  • Anthem
  • Cigna
  • Delta Dental.
  • Empire Blue Cross Blue Shield
  • Guardian
  • MetLife
  • Principal
  • United Concordia
  • United Health Care
  • View all

NPI Number

1134209158

Provider's Gender

Male


Reviews

5.0
8 Reviews

I have been a patient of Dr Gainor for over ten years. He and his staff are extremely professional and the work that they do is amazing. Nothing but praise. Go see him, you will not be disappointed.

Andrew C. • November 20, 2025

Thoughtful and caring service.

Gloria B. • September 09, 2023

Dr Gainor delivers a practically painless experience. The patient’s experience is primary.

Irene F. • September 05, 2023

As he always does, Dr. Gainor used his amazing skills and dexterity to perform a complicated dental procedure, delivering beautiful results. His assistants are wonderful and highly skilled partners.

Richard C. • August 02, 2023

As always, many thanks.

Margaret T. • July 27, 2023

Highly professional and kind.

Melissa M. • July 21, 2023

Perfect as usual

Mark H. • June 28, 2023

Dr Gainor is the best dentist I have ever had and the kindest, warmest and most supportive. You could not ask for anything more . And his staff is just lovely too.

Susan K. • June 15, 2023

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