John G. Kostohryz, D.D.S.

Dr. Kostohryz is a native of Ohio and attended college at Ohio University where he earned a bachelor’s degree in zoology.  He studied dentistry at Ohio State University College of Dentistry and earned a D.D.S. in 1972.  Dr. Kostohryz served in the U.S. Army Dental Corps from 1972-1974 and practiced general dentistry from 1974-1975. He earned a Certificate in Endodontics from Baylor College of Dentistry and joined the practice in 1977.  Dr. Kostohryz and his wife Jeanette have four grown children and four grandchildren.

 

 

 

 

 

 

 

 

Preston Sherry Location Frisco Location