Home > Locations > Riata Riata Schedule AppointmentAddress:Located on the south corner of Riata Trace Pkwy and Riata Vista Circle, across from the Apple campus. The ARA Riata Outpatient Imaging Clinic is located in the front of the building, on the Riata Vista Circle side. The ARA Corporate Offices are entered from the rear of the building. 12554 Riata Vista CircleAustin, Texas 78727View Map Hours:General Hours: Mon-Fri 8:00am-5:00pm Phone Numbers:Phone: (512) 225-6457FAX: (512) 836-8869Appointments: (512) 453-6100 Services:1.5T MRIBone DensitometryBreast Tomosynthesis (3D Mammography)Breast UltrasoundLow-dose CTUltrasound