Chatham Dental Center
120 N. Main St.
Chatham, IL 62629

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120 N. Main St.
Chatham, IL 62629

Chatham Dental Center

Comfort and convenience are the hallmarks of Chatham Dental Center’s office operations. To ensure your convenience, below is the information you need about our hours, location, appointment scheduling, insurance acceptance and billing.

Chatham Dental Center
120 N. Main St.
Chatham, IL 62629

Office Hours


8:00 AM - 5:30 PM
8:00 AM - 5:30 PM
8:00 AM - 5:30 PM
8:00 AM - 5:30 PM
8:00 AM - 1:00 PM (One Per Month)


State of Illinois Patients:

Please rest assured that Chatham Dental Center is still accepting patients with Delta Dental insurance through the State of Illinois.

If you have any questions please feel free to call our office!

Click here for door to door driving directions

We know that your time is valuable. At Chatham Dental Center we make every effort to schedule you quickly and serve you promptly. We strive to stay on time and provide the best service available!

Payment Options

  • Cash or Check (Discount applied when paid in full on day of service)
  • VISA
  • MasterCard
  • CareCredit - Interest Free Financing

Financing Options
We know that un expected dental expenses can be a financial burden. We have several payment options to make sure that you can get the dental work that you need, when you need it.

We offer a 10% discount for all services paid in full at the time of service using cash or check. We offer a 5% discount for all services that are paid in full at the time of service using a Visa or Mastercard.

CareCredit is here to help you pay for treatments and procedures your insurance doesn’t cover. We offer No Interest* financing or low minimum monthly payment options so you can get what you want, when you want it. You can even use CareCredit for your family and favorite pet.

With three simple steps, including an instant approval process, it’s easy to apply for CareCredit. After you’re approved, you’re free to use CareCredit for the services you choose including LASIK, veterinary, dentistry, cosmetic, hearing aids and more.

CareCredit is endorsed by some of the most credible organizations specific to each healthcare profession we support. And CareCredit is a GE Money Company, so you know you can count on us. For over 20 years, we’ve been helping over five million cardholders get the healthcare treatments they want and need.


Now you don’t have to worry about saving up for the procedures you want and need. With CareCredit, the decision’s in your hands to get what you want, when you want it. For more information or to apply online, visit

Facilities and Equipment

  • We use digital (computerized) xrays for the best images and the least amount of radiation.
  • Chair side TVs in all treatment rooms
  • Panoramic (Full Head) Xray
  • Ultrasonic scaling (tooth cleaning)
  • Nitrous Oxide available
  • On line patient surveys
  • Digital Records
  • Air Abrasion Technology
  • We use the latest recommednations for sterilization and disinfection


Timothy Lonergan, DMD

Timothy Lonergan, DMD graduated from SIU School of Dental Medicine and has been practicing in Chatham for 32 years.

Read more about Timothy Lonergan, DMD

Questions or Comments?
We encourage you to contact us whenever you have an interest or concern about our practice.