Cornerstone Dental

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 i

n 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.

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! 🍀

Wishing Dr Brumley a Happy Birthday!
03/14/2026

Wishing Dr Brumley a Happy Birthday!

Thank you to Davison Orthodontics for sweet treats!
03/10/2026

Thank you to Davison Orthodontics for sweet treats!

We ❤️ our patients. Happy Valentine’s Day to YOU!
02/14/2026

We ❤️ our patients. Happy Valentine’s Day to YOU!

The cold has us feeling silly 🤪 Caption this….
01/30/2026

The cold has us feeling silly 🤪 Caption this….

Safety is our number one priority. Thank you for your understanding!
01/25/2026

Safety is our number one priority. Thank you for your understanding!

Happy New Year from Dr. Kromhout and all of Cornerstone Dental! May you have a safe and healthy 2026 🪩
01/01/2026

Happy New Year from Dr. Kromhout and all of Cornerstone Dental! May you have a safe and healthy 2026 🪩

Merry Christmas from our Cornerstone Dental family to yours!
12/25/2025

Merry Christmas from our Cornerstone Dental family to yours!

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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