austin radiological association patient portal. by ; May 30, 2021; Patient Portal. Corporate headquarters. Step 3: Click "Go" to access your portal. 12554 Riata Vista Circle, Austin, TX 78727 Phone: (512) 795-5100 Hours: Monday-Friday • 8:00am-5:00pm Referral FAX number: (512) 836-8869 ALL YOUR PAPER NEEDS COVERED 24/7. ....