Mark L. Medder, DMD


1403 S Lincoln Ave
O Fallon, IL 62269
(618) 589-0786
Today: 8:00 AM to 5:00 PM
ATM/Debit, Discover
Providing family dental care in O'Fallon for over 20 years.
Patients in O'Fallon, IL and surrounding communities have been trusting Mark L. Medder, DMD for over 20 years for all of their family dental care needs.

We offer the following services and many more:

  • Cosmetic procedures
  • Preventative dentistry
  • Crowns and bridges
  • Root canals
  • Complete and partial dentures
  • Nitrous oxide

    At the dental office of Mark L. Medder, DMD, we have convenient office hours with evening and Saturday appointments available. We see new patients promptly, and we can see emergencies the same day. We also accept most insurance plans for your convenience.

    Call the dental office of Mark L. Medder, DMD to schedule an appointment today!
  • Mon 8:00 AM to 5:00 PM
    Tue 8:00 AM to 5:00 PM
    Wed 8:00 AM to 5:00 PM
    Thu 8:00 AM to 5:00 PM
    Fri 8:00 AM to 5:00 PM
    Sat Closed
    Sun Closed

    Products and Services

    Bridges & Crowns
    Cosmetic Bonding
    Cosmetic Dentistry
    Dental Implants
    Dental Reconstruction
    Dental Sealants
    Laser Dentistry
    Nitrous Oxide
    Root Canals
    Teeth Cleaning
    Insurance Accepted: United Concordia

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