QUEST DIAGNOSTICS LLC IL
NPI 1669298055
Clinical Medical Laboratory in Chicago, IL

Active since December 02, 2024CLIA 14D2312933 · Waiver
1431 N WESTERN AVE STE 202, CHICAGO, IL 60622(773) 267-2272 Get Directions Write a Review

NPPES record last updated: December 2, 2024. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Quest Diagnostics Llc Il NPPES

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

QUEST DIAGNOSTICS LLC IL (NPI 1669298055) is a healthcare organization registered as a clinical medical laboratory in Chicago, Illinois and active in the NPI registry since December 2024. The organization holds a CLIA Waiver certificate valid through October 21, 2026 and lists Leah D Timmerman, Vice President, as its authorized official.

NPPES Registry Identity

NPI1669298055
Entity TypeOrganization
Primary Taxonomy291U00000X
Legal Business NameQUEST DIAGNOSTICS LLC IL
Location Address1431 N WESTERN AVE STE 202Chicago, IL 60622-7712
Mailing Address14275 Midway Rd Ste 400Addison, TX 75001-3661 · Fax (610) 271-4245
Organization SubpartYesParent: Quest Diagnostics Incorporated
Authorized OfficialLeah D TimmermanVice President · (973) 520-2700
Enumeration DateDecember 2, 2024
NPPES CertifiedDecember 2, 2024
NPI 1669298055 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.
1431 N WESTERN AVE STE 202, Chicago, IL 60622

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 14D2312933

Quest Diagnostics Primecare Young Family · Chicago, IL
Active · expires Oct 21, 2026
CLIA Number14D2312933
Laboratory TypeIndependent
Certificate Effective DateOctober 22, 2024
Certificate Expiration DateOctober 21, 2026
Laboratory DirectorMatthew Kraiza
Laboratory Phone(773) 267-2272
Laboratory LocationQuest Diagnostics Primecare Young Family1431 N Western Ave - Ste 202, Chicago, IL 60622
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 3

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

Social Worker (Clinical)
1431 N WESTERN AVE STE 202
CHICAGO, IL 60622
Clinic/Center (Federally Qualified Health Center (FQHC))
1431 N WESTERN AVE STE 202
CHICAGO, IL 60622
Legal Medicine
1431 N WESTERN AVE STE 202
CHICAGO, IL 60622

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 LLC Il's NPI number?

The NPI number for Quest Diagnostics LLC Il is 1669298055. It was assigned to this organization in the NPPES registry on December 2, 2024.

Where is Quest Diagnostics LLC Il located?

Quest Diagnostics LLC Il is located at 1431 N Western Ave Ste 202, Chicago, IL 60622. The listed phone number is (773) 267-2272.

What is Quest Diagnostics LLC Il's specialty?

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

Does Quest Diagnostics LLC Il hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 14D2312933) is associated with this NPI, valid through October 21, 2026. 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 LLC Il was last updated on December 2, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 months 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.