Testing Locations » Massachusetts » Worcester MA » Quest Diagnostics Ma Llc – Worcester Converse Street – Employer Drug Testing Not Offered Quest Diagnostics Ma Llc – Worcester Converse Street – Employer Drug Testing Not Offered Quest Diagnostics Ma Llc – Worcester Converse Street – Employer Drug Testing Not Offered40 Converse Street2Nd Floor, Suite 215Worcester, MA 01605-2774 United States Across from Umass Memorial Hospital, other entrance is 25 Oak Avern