Once you make an appointment at our office, that time is exclusively reserved for you. If, for some reason, you can no longer make your appointment, please call us as soon as possible to reschedule.

It is also helpful if you come 15 minutes prior to your scheduled appointment to fill out any paperwork.

General Dentist in Olean NY


Payment is expected at the time services are rendered, including any co-payment or deductibles (amount not covered by your insurance). For your convenience, we accept cash, checks, MasterCard, Visa, Discover, and Care Credit.


If you have dental insurance, please bring your information with you during your visit. Our office staff will work hard to get you the maximum amount of coverage allowed by your plan.

Contact Information

John C. Gengo, D.D.S.

120 N Second St

Olean, NY 14760


(716) 372-8970

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