Austin Regional Clinic Share: Hospitals / Emergency Rooms Austin Regional Clinic Visit Website 801 E. Whitestone Blvd., Building C Cedar Park, TX 78613 (512) 259-3467 (512) 260-9850 (fax) LinkedIn Facebook Twitter Hours: Mon - Fri: 8:00am - 5:00pm About About ARC Cedar Park offers Family Medicine, Pediatric, and Internal Medicine doctors who can take care of your whole family, from newborns to adults -- and we’re always accepting new patients!