Louis B. Colletti, DDS

Dr. Louis Colletti received his undergraduate Bachelor of Science degree in Biology from Iona College in New Rochelle, NY. His post-graduate Doctor of Dental Surgery was obtained from Georgetown University School of Dentistry in Washington, DC. Afterwards, Dr. Louis Colletti joined the United States Air Force and participated in a dental internship program. He received an honorable discharge in 1974. Shortly after, Dr. Louis Colletti entered private practice and has continued in practice in Mahopac for more than 35 years.

Dr. Colletti enjoys jazz, playing the saxophone, and spending time with his wife, two daughters, granddaughter and grandson when he is away from the office.


Eric D. Cook, DDS

Dr. Eric Cook received his Bachelor of Science in Biology from Syracuse University, in Syracuse NY, in 1985. He graduated dental school from New York University College of Dentistry in 1989. After dental school, Dr. Eric Cook completed a dental residency program at St.Luke’s/Roosevelt Hospital in NYC. Dr. Cook entered private practice in Manhattan and Yonkers, New York, before joining Dr. Louis Colletti in practice 1998.

Away from the office Dr. Cook enjoys playing golf, spending time programming computers and taking advantage of the culture NYC has to offer. Lastly, most of Dr. Cook’s free time is spent with his wife and two daughters.


Dental Associates



Harrison Boldt, DDS

Dr. Boldt graduated dental school from New York University College of Dentistry in 1986. After dental school he completed his General Practice Residency in Bronx, NY. Prior to joining Colletti & Cook, DDS, Dr. Boldt practiced in Manhattan, NY for over 20 years where he continues to practice on a part-time basis.


Lawrence Levine, DDS

Dr. Levine received his Doctor of Dental Surgery at the University of Michigan School of Dentistry in 1993. Afterwards, he went on to further his education by completing a residency at St. Luke’s-Roosevelt Hospital in Manhattan. Dr. Levine has been in private practice in NYC since 1995 at the Madison Dental Group. We are privileged to have him join our team and we are confident our patients will love him.


The Rest of our Staff:

Kelly – Dental Receptionist
Debra – Dental Hygienist
Ana – Dental Assistant
Jamie – Dental Assistant