Cornerstone Dental

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Cornerstone Dental John C. Kromhout, D.M.D. Daniel Brumley, DDS For more than fifteenyears, Dr. John C. Dr. Kromhout lives in Powell with his wife Abbey and their three children.

Kromhout has served Columbus area patients with comfortable dental care built to last. As a third generation dentist, he looks forward to serving the Powell community. Dr. Kromhout grew up in Hilliard, Ohio, then traveled to Miami of Ohio for his undergraduate degree. In 2004, he received his Doctor of Medical Dentistry (DMD) from The University of Kentucky. Dr. Kromhout continues to participate in post-doctoral dental continuing education courses. He is a member of the American Dental Association (ADA), Ohio Dental Association (ODA) and Columbus Dental Society (CDS). When he is out of the office, he enjoys running around with his kids and spending time with his family. It is our mission to treat each patient as if he or she were a close friend, showing genuine care and respect. Connecting on a personal level and building lasting relationships, founded in mutual trust and respect, will have Cornerstone Dental patients leaving with a smile.

Happy National Boss’s Day to our favorite! Enjoy your day Dr. Kromhout. And thank you for being the very best!
10/16/2026

Happy National Boss’s Day to our favorite! Enjoy your day Dr. Kromhout. And thank you for being the very best!

Big thanks to Central Ohio Endodontics for brightening our day!
09/08/2026

Big thanks to Central Ohio Endodontics for brightening our day!

Have a great year students! Don’t forget your smile 😀
08/20/2026

Have a great year students! Don’t forget your smile 😀

Bend and SNAP your way to see Legally Blonde Jr. It’s family friendly and FREE! Proud to help sponsor such a wonderful c...
07/18/2026

Bend and SNAP your way to see Legally Blonde Jr. It’s family friendly and FREE! Proud to help sponsor such a wonderful community event 💗

Have a safe 4th of July holiday!
07/05/2026

Have a safe 4th of July holiday!

Happy 1 year anniversary to our assistant Morgan! We don’t know what we’d do without your whimsy ✨
06/11/2026

Happy 1 year anniversary to our assistant Morgan! We don’t know what we’d do without your whimsy ✨

We loved spoiling this beautiful mama-to-be today! Little man is already so loved 💟
06/02/2026

We loved spoiling this beautiful mama-to-be today! Little man is already so loved 💟

Cornerstone Dental Fun Day 2026 in the books! Thank you to Dr Kromhout for taking us shopping at Polaris Fashion Place f...
05/06/2026

Cornerstone Dental Fun Day 2026 in the books! Thank you to Dr Kromhout for taking us shopping at Polaris Fashion Place followed by dinner filled with laughs at We appreciate you!

It’s time to change your toothbrush when it’s starts to look like……..
04/29/2026

It’s time to change your toothbrush when it’s starts to look like……..

Happy St. Patrick’s Day from Cornerstone Dental! 🍀
03/17/2026

Happy St. Patrick’s Day from Cornerstone Dental! 🍀

Address

353 W Olentangy Street
Powell, OH
43065

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 4pm

Telephone

+16144770535

Website

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