Quest DiagnosticsWrite a Review516-677-7703Be the first to review!660 Central Ave, Syosset, NY 11791Hi there!Be the first to review!5First-class4Better than most3About what I expected2Not the worst...1DisappointingClick to RateMore Business InfoHoursDo you know the hours for this business?Other Linkhttp://questdiagnostics.comCategoryMedical Labs Suggest an Edit