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William J. Kowalski, DMD, MS LLC

Dentist
4.0 (21 reviews) Updated Apr 26, 2026
320 Gravois Rd Ste 220, Fenton, MO 63026

About William J. Kowalski, DMD, MS LLC

Dentists in Fenton handle more than just cleanings—they’re often the first line for everything from routine checkups to urgent repairs. William J. Kowalski, DMD, MS LLC fits neatly into that role, offering a mix of general and specialized care without the downtown hassle. The office sits at 320 Gravois Rd Ste 220, a quiet stretch where the sidewalks don’t feel crowded but the parking lot still fills by mid-morning.

Fenton’s dental scene leans practical, and this practice follows suit. Patients here can expect the usual—exams, fillings, crowns—alongside less common services like periodontal treatment and root canals. There’s no need to drive across town for a specialist when the same building covers both prevention and problem-solving. The phone rings at (636) 225-2330 for appointments, though walk-ins are rare.

Gravois Road itself is a low-key corridor, lined with small plazas and the occasional chain store. It’s the kind of place where you might grab coffee on the way to an early appointment or hit the pharmacy afterward. The area doesn’t try too hard to impress, which makes it easy to focus on what actually matters—like whether the filling will hold or the gums stop bleeding.

Directions are straightforward if you’re coming from 44 or 141; the map pins the spot clearly. For anyone keeping it simple, here’s the link: find the office here. Sometimes the best healthcare is the kind you don’t have to think twice about.

This listing was last updated on April 26, 2026

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Business Hours

Business Details

Accessibility
Wheelchair accessible entrance
Wheelchair accessible parking lot
Wheelchair accessible restroom
Offerings
Emergency services
Amenities
Restroom
Planning
Appointment required
Appointments recommended
Payments
Credit cards
Debit cards
NFC mobile payments
Payment plans