A Dental Experience Designed Around You
For over four decades, Dr. Stewart Fenigstein DDS, PC has been proudly serving the Williamsville community with honest, compassionate dental care. We believe visiting the dentist should be stress-free, informative, and tailored to your individual needs — not rushed or impersonal.
From your first visit to every appointment after, you’ll be treated like family.
Complete Dental Care Under One Roof
About Stewart Fenigstein DDS
Family Dentistry in Williamsville, NY
Dr. Stewart Fenigstein DDS, PC is a family-friendly dental practice that has been providing professional yet personable dental services to the Williamsville, NY community since 1991. Dr. Stewart Fenigstein and his caring, highly skilled staff have been working together for over 30 years to provide unparalleled dental treatments in an environment that is relaxing and familiar.
Dr. Stewart Fenigstein is the owner and practicing dentist at Stewart Fenigstein DDS. With just one doctor on staff, patients are able to see the same dentist every time they visit our office. To add to our patients’ comfort, our examination rooms are outfitted with televisions on the ceilings to promote maximum comfort and ease while getting work done.
Mission Statement
Professional Affiliations
General Dentistry
At Dr. Stewart Fenigstein DDS, PC, our general dentistry services provide the foundation for lifelong oral health. From routine checkups and cleanings to family care and emergency treatment, we focus on prevention, comfort, and personalized attention to help you maintain a healthy smile at every stage of life.
Cosmetic Dentistry
A beautiful, confident smile is within reach with cosmetic dentistry from Dr. Stewart Fenigstein DDS, PC. We offer treatments such as porcelain veneers, professional teeth whitening, bonding, and complete smile makeovers, using advanced techniques to enhance your smile’s natural appearance.
Dental Implants
Dental implants are a long-lasting solution for replacing missing teeth and restoring your smile’s strength, function, and appearance. At Dr. Stewart Fenigstein DDS, PC, we provide implant care that looks and feels natural, helping you eat, speak, and smile with confidence again.
Advanced 3D Imaging Technology
We’re proud to offer advanced CBCT scanning for enhanced diagnosis, safer care, and precise implant planning.





Testimonials
Posted on Lynn NuwerTrustindex verifies that the original source of the review is Google. Excellent, as always. Great team and they make everyone feel welcomed and comfortable.Posted on Michael SpenceTrustindex verifies that the original source of the review is Google. Cat did a great job including answering my questions and giving advice about my dental hygiene! The staff is always so accommodating. “Doc” offers dental advice without any pressure regarding cosmetic dentistry.Posted on Kathy MajTrustindex verifies that the original source of the review is Google. Dr. Fenigstein had to perform a few procedures for dental issues that came up. I was full of anxiety do to the situation. He made me feel relaxed and trusting in his talented ability. I especially enjoyed his music choices that served as a distraction. The total environment along with his capable assistant, Theresa made time in the chair move along. I didn't feel anything, but relief.Posted on Eon VerrallTrustindex verifies that the original source of the review is Google. Great service and as enjoyable as seeing a dentist can be :)Posted on tara blumbergTrustindex verifies that the original source of the review is Google. Dr Fenigstein and his staff are always great. His facilities are very modern and clean and he even sings when he is working in your mouth!Posted on Lydia WagnerTrustindex verifies that the original source of the review is Google. Dr. Feinstein explained everything to well and without using jargon. I appreciate the expertise or him and his entire staff. Thanks!Posted on Michele WilsonTrustindex verifies that the original source of the review is Google. Whole staff is welcoming and makes you feel comfortable - very professional. I love the Doc and that is saying a lot considering my initial fear of going to the dentist! Been a patient of his for 10+years.Posted on Joe NicholsTrustindex verifies that the original source of the review is Google. They always do outstanding work!!!Posted on Flo GalloTrustindex verifies that the original source of the review is Google. Dr. Stew is the best and the whole office is amazing! I travel many extra miles just to be seen by him.
