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

Quest Diagnostics Massachusetts LLC

Organization Clinical Medical Laboratory · NPI 1619313863

Quest Diagnostics Massachusetts LLC is a Clinical Medical Laboratory in Worcester, 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.

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Practice location Address checks out

191 May St
Worcester, MA 01602-4353
Phone: (508) 852-0600
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Medical Laboratory (primary) Taxonomy 291U00000X

Record details

NPI number1619313863
Entity typeOrganization (Type 2)
Organization subpartYes
Parent organizationQuest Diagnostics LLC MA
Authorized official David Betz — Director · (412) 920-7774
NPI enumeratedMay 15, 2013
Last updated in NPPESDecember 10, 2018
Mailing address1201 S Collegeville Rd, Collegeville, PA 19426-2998

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