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Dr. John J. Harmon, DDS

Endodontist
4.4 (9 reviews) Updated Mar 30, 2026
102 Village St STE B Slidell, LA 70458

About Dr. John J. Harmon, DDS

Root canals aren’t anyone’s idea of fun. But when the throbbing starts, an endodontist becomes the most important specialist in town. Dr. John J. Harmon, DDS, focuses on treatments that save natural teeth—diagnosing tooth pain, performing root canal therapy, and handling dental trauma cases. His practice zeroes in on the intricate work of pulp and nerve issues, the kind of precision care that general dentists often refer out.

The office sits at 102 Village St STE B in Slidell, a quiet stretch of the city where medical offices blend into the daily routine. This isn’t the bustling French Quarter; it’s a straightforward spot for solving urgent dental problems without the tourist crowds. Slidell’s mix of suburban ease and small-town practicality means appointments here fit into a workday or a quick detour from errands.

Questions about treatment options or insurance? A call to (985) 643-4600 connects directly to the practice. For first-time visitors, the map pinpoints the suite—no guesswork, just directions. No frills, no upsell—just the kind of place you hope to never need, but are glad exists when you do.

This listing was last updated on March 30, 2026

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Accessibility
Wheelchair accessible entrance
Wheelchair accessible parking lot
Wheelchair accessible restroom
Amenities
Restroom
Planning
Appointments recommended
Payments
Credit cards
Debit cards