Meet Our Staff

Meet Our Staff


Family Dentistry in Williamsville, NY

For over 20 years, Dr. Stewart Fenigstein and his team of hygienists and support staff have been working to transform your smile in an environment that is both professional and relaxing. Take a moment to familiarize yourself with our staff:

Dr. Stewart Fenigstein Williamsville NY

Dr. Stewart Fenigstein

Dr. Stewart Fenigstein graduated from the State University of New York at Buffalo School of Dental Medicine in 1985. He furthered his education by completing a post graduate residency in general dentistry at Maimonides Medical Center, in Brooklyn, New York. Dr. Fenigstein has maintained a family dental practice in Williamsville, NY since 1991. Dr. Fenigstein is also a member of the Admissions Committee at the University at Buffalo School of Dental Medicine. He enjoys all facets of dentistry, particularly cosmetic and implant dentistry and has over 200 hours in continued education for placing dental implants including the Straumann implant placement training program.

Mary Rose | Registered Dental Hygienist

Hi! I’m MaryRose, I’ve been a registered Dental Hygienist for 28 years. I’ve been with Dr. Fenigstein for the past 20 years. Our office with its compassionate and relaxed atmosphere is what has kept me motivated to provide the best service for each patient. When I’m not helping to create great smiles, I enjoy spending time with my family. My husband and I love to travel, go to the movies and share a good bottle of wine with great friends.

Theresa | Dental Assistant

Hello! My name is Theresa. I am Dr. Fenigstein’s part time dental assistant. I have worked in the office for 10 years. Dr. Fenigstein and the girls make coming to work enjoyable. We have a busy but smooth running office and a pleasant and relaxed atmosphere. We make all of our patients feel welcome and at ease. Outside of work I enjoy spending time with my husband and 3 children and also getting together with family and friends.

Mia | Registered Dental Hygienist

My name is Mia Schmitt, I am a Registered Dental Hygienist. I graduated from Hygiene school in 1997. I’ve been a member of Dr. Fenigstein’s dental team since 2005. I enjoy working here because of our upbeat, positive atmosphere & I love building relationships with our patients while making it a positive experience. I have a wonderful husband and 2 beautiful children.

To learn more about how our caring staff can help you achieve the smile of your dreams, contact us today at 716-565-3900.

Professional Affiliations


Erie County Dental Society


American Dental Association


International Congress of Oral Implantologists


New York Dental Society


Eighth District Dental Society