MyUTHA Patient Portal - UT Health Austin. Health (5 days ago) MyUTHA Patient Portal. 1-833-UT-CARES (1-833-882-2737) Request Appointment.Get Directions. Refer a Patient. Pay Your Bill. Patient Portal.Health Transformation Building 1601 Trinity Street, Bldg. A, Austin, TX 78712. Uthealthaustin.org.