Testing Locations » Georgia » Atlanta GA » Quest Diagnostics – St Joseph’s Doctors – Employer Drug Testing Not Offered Quest Diagnostics – St Joseph’s Doctors – Employer Drug Testing Not Offered Quest Diagnostics – St Joseph’s Doctors – Employer Drug Testing Not Offered5667 Peachtree Dunwoody Road NeSte 190Atlanta, GA 30342-1728 United States across from Northside Hospital and St. Joseph emergency room