Dr. Thomas Lyles is a top-rated board certified gastroenterologist in Bedford, TX. After completing his fellowship at UT-Southwestern, he joined Digestive Health Associates of Texas (DHAT) in 2013.

He understands that some GI symptoms can be uncomfortable and embarrassing to discuss. Because he values the patient-physician relationship, he and his team use the utmost discretion and professionalism while focusing on delivering compassionate care and service. To focus on you, the patient, he does not use a computer while in the exam room.

As a gastroenterologist, Dr. Lyles sees patients for all digestive health conditions such as reflux, constipation, diarrhea, abdominal pain, irritable bowel syndrome and inflammatory bowel disease, to name a few. Preventative health, such as colon cancer screening, is also an important part of his practice.

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Due to the intensity of the COVID-19 virus and the recognized importance of minimizing in-person contact as much as possible, we are now offering new & existing patients telemedicine services. This can be a great option for those that would prefer not to come into the office and follow-up appointments. Click this button to learn more about this virtual appointment option.


“Dr. Lyles was just as thorough via telemed as he is in person. He LISTENS. He is empathetic and intelligent. I’m so grateful to be under his care. Shannon (Dr. Lyles’ nurse) is amazing and responds in such a timely manner…

Healthgrades (April 2020)


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