Our Team

Dr. David Gutwirth – Dentist

Dr. David Gutwirth received his Bachelors of Science in Biology from Stony Brook University. In 1991, he attended New York University College of Dentistry and earned the degree of Doctor of Dental Surgery (D.D.S.). Born and raised in Brooklyn, Dr. Gutwirth became an associate dentist in a Bensonhurst, Brooklyn dental office. After five years as an associate, Dr. Gutwirth took over his existing practice in Bay Ridge, Brooklyn. He has been serving the community for over 20 years at his present practice. He routinely takes dental education courses throughout the year so he can offer his patients the best treatment options.

Dr. Gutwirth has been married to his wife, Lisa, for more than 20 years. They have three children together, two girls and a boy, that all attend local schools in the community.

Dr. Gutwirth and his staff take great pride in providing their patients with the best quality care in a relaxed and comfortable atmosphere. We realize your time is important and make it a priority to have you seen at your appointment time with no waiting.

Ashley Guadalupe – Office Manager

Ashley is the newest member of our team, bringing more than 10 years of customer service and managerial experience with her. She oversees the office operations, scheduling and billing and is committed to making your experience a positive one. She takes pride in making sure all of our patients are taking care of.


Alyssa Sfara - Front Desk Receptionist/ Dental Assistant

Alyssa has been part of our staff for more than 5 years now. She has been a familiar and friendly face to all of our patients. Born a natural people person, she takes pride in helping all of our patients, whether it’s assisting in the exam room or at the front desk. She is currently perusing her degree in Medical Technology.


Kinga Olewinski- Registered Dental Assistant

Kinga was born and raised in Poland, where she received her Master’s Degree in Political Science. After receiving her degree, she moved to the U.S. and has been assisting Dr. Gutwirth since 2007. She enjoys her job, and is an empathetic person who cares for others.


Annabella Schwartz - Dental Assistant Hygienist

Annabella obtained an Associates Degree in Dental Hygiene from Farmingdale State University, she has been practicing Dental Hygiene for 10 years. 
Annabella truly loves her work in dentistry and has a heart for every patient that she treats. Her goal is to make people with previous negative memories of dentistry comfortable and happy to be receiving care.


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