Get Directions 520-207-2318 Hours By appointment: Mon. - Fri.: 8 a.m. to 5 p.m.Sat. - Sun.: Closed We make it easier for you to access the expertise of the Phoenix Children's Cardiology, Dermatology, Nephrology and Neurosurgery teams with our Tucson clinic. Specialties at This Location Cardiology Dermatology Nephrology Neurosurgery Visitor Parking Access the clinic from E. Grant Road. Parking is available on all sides of the building.