Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

QUEST DIAGNOSTICS CLINICAL LABORATORIES INC
NPI 1932021847
Clinical Medical Laboratory in Mission, TX

Active since July 30, 2026
1920 E GRIFFIN PKWY, MISSION, TX 78572(956) 584-3353 Get Directions Write a Review

NPPES record added: July 30, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Quest Diagnostics Clinical Laboratories Inc NPPES

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

QUEST DIAGNOSTICS CLINICAL LABORATORIES INC (NPI 1932021847) is a healthcare organization registered as a clinical medical laboratory in Mission, Texas and active in the NPI registry since July 2026. The organization lists Leah D Timmerman, Vice President, as its authorized official.

NPPES Registry Identity

NPI1932021847
Entity TypeOrganization
Primary Taxonomy291U00000X
Legal Business NameQUEST DIAGNOSTICS CLINICAL LABORATORIES INC
Location Address1920 E GRIFFIN PKWYMission, TX 78572-3106
Mailing Address4770 Regent BlvdIrving, TX 75063-2445 · (866) 697-8378
Organization SubpartYesParent: Quest Diagnostics Incorporated
Authorized OfficialLeah D TimmermanVice President · (973) 520-2700
Enumeration DateJuly 30, 2026
NPPES CertifiedJuly 29, 2026
NPI 1932021847 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.
1920 E GRIFFIN PKWY, Mission, TX 78572

Other Providers at the Same Location NPPES 16

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

Physician Assistant (Medical)
1920 E GRIFFIN PKWY
MISSION, TX 78572
Family Medicine
1920 E GRIFFIN PKWY
MISSION, TX 78572
Physician Assistant (Medical)
1920 E GRIFFIN PKWY
MISSION, TX 78572
Nurse Practitioner (Family)
1920 E GRIFFIN PKWY
MISSION, TX 78572
Family Medicine
1920 E GRIFFIN PKWY
MISSION, TX 78572
Physician Assistant (Medical)
1920 E GRIFFIN PKWY
MISSION, TX 78572
Nurse Practitioner (Family)
1920 E GRIFFIN PKWY
MISSION, TX 78572
Family Medicine
1920 E GRIFFIN PKWY
MISSION, TX 78572

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 Clinical Laboratories Inc's NPI number?

The NPI number for Quest Diagnostics Clinical Laboratories Inc is 1932021847. It was assigned to this organization in the NPPES registry on July 30, 2026.

Where is Quest Diagnostics Clinical Laboratories Inc located?

Quest Diagnostics Clinical Laboratories Inc is located at 1920 E Griffin Pkwy, Mission, TX 78572. The listed phone number is (956) 584-3353.

What is Quest Diagnostics Clinical Laboratories Inc's specialty?

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

When was this NPI record last updated?

The NPPES record for Quest Diagnostics Clinical Laboratories Inc was last updated on July 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 days 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.