QUEST DIAGNOSTICS MASSACHUSETTS LLC
NPI 1023505674
Clinical Medical Laboratory in Westborough, MA

Active since April 19, 2018CLIA 22D1034429 · Waiver
900 UNION ST, WESTBOROUGH, MA 01581(866) 697-8378 Get Directions Write a Review

NPPES record last updated: October 25, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Oct 25, 2022, May 14, 2020, Apr 19, 2018 (3 updates tracked since 2018).

About Quest Diagnostics Massachusetts Llc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

QUEST DIAGNOSTICS MASSACHUSETTS LLC (NPI 1023505674) is a healthcare organization registered as a clinical medical laboratory in Westborough, Massachusetts and active in the NPI registry since April 2018. The organization holds a CLIA Waiver certificate valid through December 22, 2026 and lists David Michael Betz, Director, Finance, as its authorized official.

NPPES Registry Identity

NPI1023505674
Entity TypeOrganization
Primary Taxonomy291U00000X
Legal Business NameQUEST DIAGNOSTICS MASSACHUSETTS LLC
Location Address900 UNION STWestborough, MA 01581-5408
Mailing Address1201 S Collegeville RdCollegeville, PA 19426-2998
Organization SubpartYesParent: Quest Diagnostics Incorporated
Authorized OfficialDavid Michael BetzDirector, Finance · (412) 920-7774
Enumeration DateApril 19, 2018
Last NPPES UpdateOctober 25, 20223 updates tracked since enumeration
NPPES CertifiedOctober 25, 2022
NPI 1023505674 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyClinical Medical LaboratoryLaboratories
Taxonomy Code291U00000X
Definition
(1) A clinical laboratory is a facility for the biological, microbiological, serological, chemical, immunohematological, hematological, biophysical, cytological, pathological, or other examination of materials derived from the human body for the purpose of providing information for the diagnosis, prevention, or treatment of any disease or impairment of, human beings. These examinations also include procedures to determine, measure, or otherwise describe the presence or absence of various substances or organisms in the body. Facilities only collecting or preparing specimens (or both) or only serving as a mailing service and not performing testing are not considered clinical laboratories. (2) Any facility that examines materials from the human body for purposes of providing information for the diagnosis, prevention, or treatment of any disease or impairment of, or the assessment of, the health of human beings. Typical divisions of a clinical laboratory include hematology, cytology, bacteriology, histology, biochemistry, medical toxicology, and serology.
900 UNION ST, Westborough, MA 01581

Accepted Insurance

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 22D1034429

Quest Diagnostics Massachusetts LLC · Westborough, MA
Active · expires Dec 22, 2026
CLIA Number22D1034429
Laboratory TypeIndependent
Certificate Effective DateDecember 23, 2024
Certificate Expiration DateDecember 22, 2026
Laboratory DirectorAnne W. Higgins
Laboratory Phone(508) 366-8836
Laboratory LocationQuest Diagnostics Massachusetts LLC900 Union St, Westborough, MA 01581
CLIA data matches this NPI record on: Address Name
This certificate is issued to a laboratory to perform only waived tests.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Blood test, clotting time 85610
A clotting time blood test helps determine how quickly your blood forms clots, a process crucial to stop bleeding. During the test, a small blood sample is taken from your arm. The sample is then analyzed in a lab to see how long it takes for a clot to form.
108 services17 patients

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Obstetrics & Gynecology (Urogynecology and Reconstructive Pelvic Surgery)
900 UNION ST
WESTBOROUGH, MA 01581
Nurse Practitioner (Pediatrics)
900 UNION ST
WESTBOROUGH, MA 01581
Pediatrics
900 UNION ST
WESTBOROUGH, MA 01581
Optometrist
900 UNION ST
WESTBOROUGH, MA 01581
Internal Medicine
900 UNION ST
WESTBOROUGH, MA 01581
Physician Assistant
900 UNION ST
WESTBOROUGH, MA 01581
Obstetrics & Gynecology (Urogynecology and Reconstructive Pelvic Surgery)
900 UNION ST
WESTBOROUGH, MA 01581
Nurse Practitioner
900 UNION ST
WESTBOROUGH, MA 01581

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Quest Diagnostics Massachusetts LLC's NPI number?

The NPI number for Quest Diagnostics Massachusetts LLC is 1023505674. It was assigned to this organization in the NPPES registry on April 19, 2018.

Where is Quest Diagnostics Massachusetts LLC located?

Quest Diagnostics Massachusetts LLC is located at 900 Union St, Westborough, MA 01581. The listed phone number is (866) 697-8378.

What is Quest Diagnostics Massachusetts LLC's specialty?

The primary specialty registered for this NPI is Clinical Medical Laboratory with taxonomy code 291U00000X.

Does Quest Diagnostics Massachusetts LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 22D1034429) is associated with this NPI, valid through December 22, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Quest Diagnostics Massachusetts LLC accept?

Health plans from Florida Blue (BlueCross BlueShield FL) and Florida Blue HMO (a BlueCross BlueShield FL company) list Quest Diagnostics Massachusetts LLC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Quest Diagnostics Massachusetts LLC was last updated on October 25, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.