Areas of expertise for Dr. Gilliland include eye surgery, skull base surgery, and skull base tumors. Patient reviews placed Dr. Gilliland at an average of 3.5 stars out of 5. He is in-network for Blue Cross/Blue Shield, Blue Cross Blue Shield Bronze, Blue Cross Blue Shield Gold, and more. After completing medical school at the University of Texas Southwestern Medical School, he performed his residency at Parkland Health & Hospital System and a hospital affiliated with Oregon Health & Science University. Dr. Gilliland has received the distinction of Texas Super Doctors. His professional affiliations include Baylor Scott & White Health and Children's Health (Texas).