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Mark Sweeney, DDS

Dentist
5.0 (5 reviews) Updated Mar 14, 2026
3305 Northland Dr #515 Austin, TX 78731

About Mark Sweeney, DDS

Northwest Austin has no shortage of dental offices. But when every review gives a perfect score, it’s worth a second look. Mark Sweeney, DDS holds a 5.0 rating on Google, pulled from five reviews—no small feat in a field where opinions tend to skew polarizing. General dentistry here covers the expected: cleanings, fillings, crowns. Nothing flashy, just the fundamentals handled without the usual dread that comes with sitting in the chair.

Tucked into a professional suite at 3305 Northland Dr #515, the office sits among the low-slung commercial buildings that define this stretch of the city. It’s not the kind of address that draws foot traffic, but then again, most dental visits aren’t impulse decisions. The area’s a mix of medical offices and quiet retail, the sort of place where errands get done without fanfare. Parking’s never the main event here, though you won’t find anyone advertising it as a perk.

Dentists rarely inspire enthusiasm, yet the reviews suggest something’s working. No mentions of magic tricks or spa-like amenities—just consistent notes about efficiency and results. That’s the thing about a perfect rating with so few reviews: it either means a flawless run or a very selective client base. Either way, the math doesn’t lie. For routine care or a second opinion, it’s an option that doesn’t require talking yourself into it.

Questions about procedures or insurance? The phone’s the quickest route: (512) 380-1300. First-time visitors can scope out the location via directions here. Some places overpromise; this one just shows up in the search results and lets the ratings do the talking.

This listing was last updated on March 14, 2026

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Business Hours

Business Details

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