Testing Locations » Oregon » Springfield OR » Quest Diagnostics – Springfield 3355 Riverbend Drive – Employer Drug Testing Not Offered Quest Diagnostics – Springfield 3355 Riverbend Drive – Employer Drug Testing Not Offered Quest Diagnostics – Springfield 3355 Riverbend Drive – Employer Drug Testing Not Offered3355 Riverbend DrSpringfield, OR 97477-8800 United States Northwest Specialty Clinic