Derek T. Peek DDS, MS

Dr. Peek is a Diplomate of the American Board of Endodontics.


Board certification, which is a voluntary process, requires successful completion of three parts: passing a written exam, passing an oral exam, and submitting cases to meet the Board’s standard of excellence.


With completion of these steps, he has reached the pinnacle of his profession and represents the future of the Endodontic specialty as only 23.75% of endodontists are Board Certified.


He has worked hard and we are proud of his achievement!


About Us

We focus on the branch of dentistry concerned with the morphology, physiology, and pathology of the nerves inside the teeth and mouth. Our practice encompasses the basic biology of these dental nerves in providing accurate diagnosis, prevention, and treatment when infection is present. We help patients save their teeth with root canals, provide professional consultations, and see patients with emergency dental needs.


We are the only endodontic office in Eastern Iowa that is solely owned and operated by a Board-Certified Endodontist. We provide the highest quality of care with modern equipment and the latest technology.


Our expert team, led by Dr. Derek T. Peek, a Board-Certified Endodontist, includes an experienced and caring staff. Our goal is to provide the highest standard of care in a calm and comfortable environment. We will listen to your concerns and answer your questions prior to the start of any treatment. Your dentist referred you to us, and with that honor comes the responsibility to deliver exceptional service and compassion.


Today, dental insurance can limit a patient’s access to care with specialists. Here at Eastern Iowa Endodontics ®, we accept all major dental insurance plans. We also participate with and take patients covered by the state funded insurances (Medicaid, DWP, and MCNA).


Our passion is to help Eastern Iowans receive the dental treatment they deserve.

Facebook Reviews

If you’d like to hear what others are saying about us, please see our reviews on our Facebook page.


We’d also love to hear how we did. Please take a moment to write us a review. You can also review us on Google+.



Dr. Derek Peek and Dr. Thomas Peek are both specialist members of the American Association of Endodontists.


The American Association of Endodontists is dedicated to excellence and quality in the art and science of endodontics and to the highest standard of patient care. The Association inspires its members to pursue professional advancement and personal fulfillment through education, research, advocacy, leadership, communication and service.


The AAE is the leading global resource for knowledge, research, and education in endodontics for the profession, our members and the public.


The American Board of Endodontics was founded in 1956. The ABE is the only certifying board for the specialty of endodontics and is one of the nine specialty boards recognized by the American Dental Association.

Insurance Carriers Accepted

We also proudly treat America’s Veterans and connect them to timely and convenient dental care.

If your insurance carrier is not shown above, please contact our office for further details. We will verify your benefits and file your claims on your behalf.

Patient Information

As a courtesy to the patient, insurance forms will be completed and filed without charge. We try to help you receive your maximum benefit; however, the agreement of the insurance company to pay for your dental care is a contract between you and your insurance company. They may reimburse at a lower rate than we estimate. When this occurs, you may be required to pay an additional “after-insurance” balance.

Patient Forms