6431 Fannin, MSB 5.256. Houston, TX 77030. phone: (832) 325-7234. e-mail: KuoJen.Tsao@uth.tmc.edu. Dr. Tsao is a Professor at McGovern Medical School at UTHealth in the Department of Pediatric Surgery. He is board certified in pediatric surgery with a special interest in clinical trials and minimally invasive surgery..