Visit one of Quest's 2,200 Patient Service Centers - when it's convenient for you. With thousands of locations in neighborhoods across the country, you're never too far from getting the testing that you need. insert_invitation + Schedule an Appointment. Find a Quest location near you . search Search by City, State, Zip, or Location Name.Login‧Create Account‧Appointment Scheduling‧MyQuest‧Pay Your Patient Bill‧Appointment / Location.