Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Quest Diagnostics Massachusetts LLC

Organization Clinical Medical Laboratory · NPI 1861837254

Quest Diagnostics Massachusetts LLC is a Clinical Medical Laboratory in South Boston, Massachusetts. Registered with an NPI since 2013.

In the registry since
2013
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

409 W Broadway
South Boston, MA 02127-2245
Phone: (617) 464-7440
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Medical Laboratory (primary) Taxonomy 291U00000X

Record details

NPI number1861837254
Entity typeOrganization (Type 2)
Organization subpartYes
Parent organizationQuest Diagnostics Incorporated
Authorized official David Betz — Director · (412) 920-7774
NPI enumeratedApril 30, 2013
Last updated in NPPESDecember 10, 2018
Mailing address1201 S Collegeville Rd, Collegeville, PA 19426-2998