Our ENT Doctors in Dallas, TX, Dr. Theilen and Dr. Williams have a total of 50 years of combined experience treating ENT and allergy disorders. We endeavor to offer accurate advice and treatment utilizing sound judgment, advanced technology, and experienced surgical skills.
Frank W. Theilen, M.D.
Dr. Frank Theilen has practiced in Irving, Texas since 1987. He is a native Texan with many ties to the community. He has been recognized by D magazine and Texas Monthly. He serves as a clinical professor at UTSW Medical School. His special interests include the treatment of allergic and infected sinuses; obstructive sleep apnea and snoring; children’s ear and throat disorders; ear surgery; thyroid and parathyroid disorders.
Neil P. Williams, M.D.
After completion of residency at UT Southwestern Medical School, Dr. Williams joined Irving-Coppell ENT in 1994. An Oklahoma native, Dr. Williams is active in the local medical community, and speaks fluent Spanish. He serves as a clinical professor at UTSW Medical School. His special interests include sinus surgery, snoring surgery, salivary stone endoscopic surgery, and pediatric ENT. Dr. Williams has been certified in Sleep Medicine since 2007.