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Mark L. Grosko, D.D.S., Inc.

Dr Grosko

Dr. Grosko is a graduate of The Pennsylvania State University with a B.S. in Engineering. He is a graduate of The Ohio State University College of Dentistry with a Doctor of Dental Surgery. Additionally, Dr. Grosko has completed a residency in Endodontics at the University of Maryland.  In an undergraduate clinic Dr. Grosko taught endodontics as a bench instructor while at the University of Maryland. He is also a past bench instructor for the Endodontic Retreatment course at the prestigious Scottsdale Center for Dentistry in Scottsdale, Arizona. Dr. Grosko is a life member of Alpha Pi Mu and Beta Gamma Sigma honor societies and a Vice President of the W.D. Miller Dental Society. Dr. Grosko has been selected for the Who's Who of Executives, Professionals and Entrepreneurs.  He participates in many hours of advanced endodontic treatment education each year, far exceeding the minimum requirements for licensing.


Dr. Grosko lives in Columbus with his wife Sandra, and their son. In his spare time, he enjoys collecting and reading books, gardening, and playing with his son.

Katie - Assistant/EFDA

Katie is a llfelong resident of Newark and is Dr. Grosko's Dental Assistant.  She has been with the practice since 2006.  She graduated from C-Tech in 2007 with the Dental Assisting program and continued her education at Eastern Gateway Community College where she graduated with Expanded Function Dental Auxillary (EFDA). 


Katie enjoys spending time with her husband Jon and son Barrett.

Kendra - Office Manager/ Front Desk

Kendra has been with the practice since 2009.