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Mark L Grosko Inc

Endodontist
4.2 (42 reviews) Updated Apr 27, 2026
843 N 21st St #103, Newark, OH 43055

About Mark L Grosko Inc

Endodontic care handles the pulp and roots of teeth; Mark L Grosko Inc specializes in this niche just north of downtown Newark. Based inside the 21st Street corridor, the practice occupies Suite 103 at 843 N 21st St, Newark, OH 43055, anchoring a quiet stretch a few blocks from major thoroughfares.

The clinic delivers root canal therapy, endodontic retreatment, treatment for cracked or chipped teeth, apexification for immature roots, internal bleaching to brighten discolored teeth after trauma, and surgical root-end resection when nonsurgical options won’t suffice. Call ahead: (740) 344-6349. A quick glance at the map guides you right to the door; find turn-by-turn directions at their Google location. Know it’s on the second floor inside the brick medical center.

This listing was last updated on April 27, 2026

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Business Hours

Business Details

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