www.thomassondental.com/ Local Dentistry in Madison, TN. 37115. Looking for a Dentist office to keep your teeth healthy in Madison Tennessee call Thomasson Dental and get the Dental Care your teeth need. Read our Dentist reviews. Mark H. Thomasson, DDS has been taking care of patients in this same location for over 30 years. Dr. Thomasson offers a wide range of dental services for the entire family. Our goal is to help patients maintain good oral health for their lifetime. Our Madison Tennessee office welcomes New Patients and would love the opportunity to care for your dental needs. We consider patients to be our most important asset, and we strive to develop long-lasting, trusting relationships. Please take a moment to review our website and learn more about our practice.