About Services


Words from our patients

  • Google

    "My wife and I have been going to Dr. Johnston for several years now. She and her staff are always friendly and professional."

    Dan P.
  • Yelp

    "I drive two hours to go to Dr. Jon Koeltl. I will never use or trust another dentist. He is the best!"

    Karyne B.
  • Yelp

    "I saw Dr. Koeltl for teeth whitening and highly recommend the whole team. The entire staff is friendly and the office is warm and inviting."

    Verified Patient
  • Yelp

    "Dentistry gets no better. I've been going to Dr. Johnston for 10 years. She explains what she's going to do at every step of the process."

    Joe O.
The Diablo Dental Group
156 Diablo Road, Suite 202
Danville, CA 94526
Phone: 925-837-1742
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