Spectrum Medical Contact Us Phoenix. Driving Directions. Opening hours. Monday 8:30 am - 4:00 pm Tuesday 8:30 am - 4:00 pm Wednesday 10:00 am - 6:00 pm Thursday 8:30 am - 4:00 pm Friday 7:00 am - 2:00 pm Saturday 7:00 AM - 2:00 PM (PrEP Only Visits) Sunday Closed. Get in touch. 602-604-9500..