Phlebotomist - Laboratory Phlebotomist in Greenfield, MA | Careers Department: Laboratory Location:, Greenfield, Massachusetts Job Type: 24 hour part time Shift: Night shift Make an Impact is seeking a Phlebotomist to join our Laboratory in Greenfield, Massachusetts. Our Laboratory provides essential diagnostic testing that supports patient care across the organization, working closely with physicians, nurses and other healthcare professionals to deliver quality care.