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Dr. John C. Gengo, DDS

Dentist
4.9 (336 reviews) Updated Mar 16, 2026
120 N 2nd St Olean, NY 14760

About Dr. John C. Gengo, DDS

Dental care remains one of those services people prefer close to home. In Olean’s compact downtown, a general and cosmetic dentistry practice has maintained steady visibility over the years. Google’s current tally shows a 4.9 rating from 336 reviews, a signal that consistency matters in this field. Routine cleanings, fillings, and crowns form the backbone of most practices, but patient responses often hinge on how smoothly those basics are handled.

Dr. John C. Gengo, DDS operates out of 120 N 2nd St, a spot that’s easy to reach whether you’re coming from the university area or the southern edges of town. The address places it within walking distance of Olean’s small but active commercial strip, where parking tends to be functional rather than plentiful. Dentistry isn’t the kind of service that draws crowds, but its quiet necessity keeps it relevant—especially in a community where word of mouth still carries weight.

Like many long-standing practices, this one likely fields the usual range of requests: from simple exams to more involved procedures like bridges or extractions. The absence of flashy marketing suggests a focus on the work itself rather than the surrounding experience. For those who rely on maps to navigate, the directions are straightforward, with the office situated just north of the downtown core.

Questions about appointments or services are best directed to (716) 372-8970, where someone can confirm whether the practice aligns with what you’re looking for. In a town like Olean, where options aren’t endless, a well-rated dentist’s office tends to become a default choice for families who’d rather not drive to Buffalo for routine care.

This listing was last updated on March 16, 2026

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Business Hours

Business Details

Accessibility
Wheelchair accessible entrance
Wheelchair accessible parking lot
Service options
Language assistance
Amenities
Restroom
Crowd
LGBTQ+ friendly
Planning
Appointment required
Appointments recommended
Payments
Credit cards
Debit cards
NFC mobile payments
Parking
Free parking lot