Andy Hawthorne, M.D., FACS
Andy Hawthorne joined CTSA in 2007. He is married with two children. Dr. Hawthorne graduated with High Honors from the University of Texas and attended The University of Texas Medical School at Houston. He completed his surgical training at Baylor University Medical Center in Dallas. Dr. Hawthorne is Board Certified by the American Board of Surgery and is a Fellow of the American College of Surgeons. He is also a Member of SAGES, AMA, TMA and the Travis County Medical Society. His interests include advanced laparoscopy and da Vinci Robotic Surgery. He is Trauma Director for St. David’s Round Rock Medical Center and a Clinical Assistant Professor with the Surgery Department of the Texas A&M College of Medicine.
Bratcher Runyan, M.D., FACS
Bratcher Runyan joined CTSA in 2010 and is at our Round Rock location. He is married with one child. Dr Runyan graduated with high honors from Texas Christian University. He graduated with honors from the University of Texas Medical School at Houston. Dr. Runyan completed his surgical training at the University of Kansas, Wichita in 2002. He is Board Certified by the American Board of Surgery and is a Fellow of the American College of Surgeons. Dr. Runyan is a member of the Texas Medical Association, the Travis County Medical Society and is a Clinical Assistant Professor with the Surgery Department of the Texas A&M College of Medicine.
Mario Longoria, M.D., FACS
Mario Longoria joined CTSA in 2014. He has been practicing in the Round Rock area since 2005. He is married with two children. Dr. Longoria graduated from Trinity University and attended medical school at the University of Texas at Galveston. He completed his surgical training at the University of Missouri in Kansas City where he was awarded Chief Resident of the year. He then completed a fellowship in minimally invasive surgery at the University of California in Irvine. He is Board Certified by the American Board of Surgery and is a Fellow of the American College of Surgeons. Dr. Longoria is a member of the Texas Medical Association, the Travis County Medical Society, ASMBS, SAGES and is a Clinical Assistant Professor with the Surgery Department of the Texas A&M College of Medicine.
Colin Doyle, M.D., FACS
Colin Doyle, MD joined CTSA in 2023 and is at our Round Rock location. He is married with two daughters. Dr. Doyle graduated with honors from Bowdoin College and attended medical school at the University of Rochester. He received his surgical training at the University of Hawaii where he also completed a fellowship in Surgical Critical Care. Dr. Doyle is Board Certified in both General Surgery and Surgical Critical Care by the American Board of Surgery. He is a member of TMA, the American College of Surgeons and the Chest Wall Injury Society, and is a Major in the United States Army Reserves. His interests include surgical treatment of rib fractures and da Vinci Robotic Surgery.