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