1. Quest Diagnostics 221 Boston Rd, Billerica, MA 01821 Coordinate: 42.551872,-71.251755 Phone: (978) 667-5212
2. First-Call Medical Inc 574 Boston Rd Unit 11, Billerica, MA 01821 Coordinate: 42.54655,-71.25521 Phone: (978) 670-5399