QUEST DIAGNOSTICS MASSACHUSETTS LLC
NPI 1508306747
Clinical Medical Laboratory in Worcester, MA

Active since March 07, 2017CLIA 22D1034604 · Certificate of Compliance
366 SHREWSBURY ST, WORCESTER, MA 01604(508) 755-1233 Get Directions Write a Review

NPPES record last updated: October 25, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Quest Diagnostics Massachusetts Llc NPPES

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

QUEST DIAGNOSTICS MASSACHUSETTS LLC (NPI 1508306747) is a healthcare organization registered as a clinical medical laboratory in Worcester, Massachusetts and active in the NPI registry since March 2017. The organization holds a CLIA Certificate of Compliance certificate valid through April 12, 2027 and lists David Michael Betz, Regional Finance Director, as its authorized official.

NPPES Registry Identity

NPI1508306747
Entity TypeOrganization
Primary Taxonomy291U00000X
Legal Business NameQUEST DIAGNOSTICS MASSACHUSETTS LLC
Location Address366 SHREWSBURY STWorcester, MA 01604-4647
Mailing Address1201 S Collegeville RdCollegeville, PA 19146-2998 · (610) 454-6147
Organization SubpartYesParent: Quest Diagnostics Incorporated
Authorized OfficialDavid Michael BetzRegional Finance Director · (484) 676-7000
Enumeration DateMarch 7, 2017
Last NPPES UpdateOctober 25, 2022
NPPES CertifiedOctober 25, 2022
NPI 1508306747 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.
366 SHREWSBURY ST, Worcester, MA 01604

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 Compliance 22D1034604

Quest Diagnostics Massachusetts LLC · Worcester, MA
Active · expires Apr 12, 2027
CLIA Number22D1034604
Laboratory TypeIndependent
Certificate Effective DateApril 13, 2025
Certificate Expiration DateApril 12, 2027
Laboratory DirectorLokinendi V. Rao
Laboratory Phone(508) 755-1233
Laboratory LocationQuest Diagnostics Massachusetts LLC366 Shrewsbury St, Worcester, MA 01604
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

Areas of Expertise CMS Part B claims 30

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.

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025
A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.
1,661 services1,264 patients
Blood test, comprehensive group of blood chemicals 80053
A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.
1,156 services897 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
787 services374 patients
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.
694 services214 patients
Blood test, basic group of blood chemicals (calcium, total) 80048
A basic group blood test measures the levels of certain chemicals in your blood, including calcium. This helps assess your overall health and detect potential problems. The procedure involves drawing a small amount of blood from your arm, which is then analyzed in a lab.
646 services571 patients
Urinalysis using microscope 81015
Urinalysis with a microscope is a test that helps detect issues in your body. A small sample of your urine is examined under a microscope. This allows the detection of substances not visible to the naked eye, aiding in diagnosing various health conditions.
312 services285 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.

Registered Nurse
366 SHREWSBURY ST
WORCESTER, MA 01604
Internal Medicine
366 SHREWSBURY ST
WORCESTER, MA 01604
Physician Assistant
366 SHREWSBURY ST
WORCESTER, MA 01604
Emergency Medicine
366 SHREWSBURY ST
WORCESTER, MA 01604
Nurse Practitioner (Family)
366 SHREWSBURY ST
WORCESTER, MA 01604
Nurse Practitioner (Family)
366 SHREWSBURY ST
WORCESTER, MA 01604
Physician Assistant (Medical)
366 SHREWSBURY ST
WORCESTER, MA 01604
Nurse Practitioner (Family)
366 SHREWSBURY ST
WORCESTER, MA 01604

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 1508306747. It was assigned to this organization in the NPPES registry on March 7, 2017.

Where is Quest Diagnostics Massachusetts LLC located?

Quest Diagnostics Massachusetts LLC is located at 366 Shrewsbury St, Worcester, MA 01604. The listed phone number is (508) 755-1233.

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 Compliance (number 22D1034604) is associated with this NPI, valid through April 12, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

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 weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.