Ascension Seton Williamson Foundation
201 Seton Parkway
Round Rock, TX 78665
IRS EIN (Tax ID)
Please note that the Foundation offices are not able to assist with inquiries related to patient care or billing. For assistance with healthcare related questions, please contact the location where you received your care. You can search for contact information here: healthcare.ascension.org/Locations
For the Ascension Seton Medical Center Williamson operator, please call (512) 324-4000.