Testing Locations » Massachusetts » Worcester MA » Quest Diagnostics – Worcester Park Avenue – Employer Drug Testing Not Offered Quest Diagnostics – Worcester Park Avenue – Employer Drug Testing Not Offered Quest Diagnostics – Worcester Park Avenue – Employer Drug Testing Not Offered255 Park AveSuite 400AWorcester, MA 01609-1953 United States Walk-ins Only on Saturday’srnSame building as Bank of America. Next to Webster Square Medicalrn