His clinical interests include groin hernia, cancer surgery, and minimally invasive parathyroidectomy. He is affiliated with Baylor Scott & White Health. Dr. Littrell is in-network for Blue Cross/Blue Shield, Blue Cross Blue Shield Bronze, and Blue Cross Blue Shield Gold, as well as other insurance carriers. He obtained his medical school training at the University of Texas Medical Branch School of Medicine and performed his residency at Baylor University Medical Center. Dr. Littrell has received the distinction of Texas Rising Stars.