Ascension Seton Williamson Hospital in Round Rock, Texas, is a full-service hospital with 24/7 emergency care and a Level II Adult Trauma Center. Our care teams listen to quickly understand your health needs and deliver care that's right for you. Ascension Seton Williamson Hospital is a destination for specialty care - including cancer care, orthopedics, heart and vascular health, stroke care and women's health. We offer a wide range of minimally invasive procedures, imaging, lab tests and rehabilitation services, all on one campus.