QUEST DIAGNOSTICS
NPI 1629116124
Clinical Medical Laboratory in Merced, CA

Active since February 05, 2007CLIA 05D0644027 · Certificate of Compliance
857 W CHILDS AVE, MERCED, CA 95341(209) 725-0658 Get Directions Write a Review

NPPES record last updated: December 11, 2018. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Quest Diagnostics NPPES

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

QUEST DIAGNOSTICS (NPI 1629116124) is a healthcare organization registered as a clinical medical laboratory in Merced, California and active in the NPI registry since February 2007. The organization holds a CLIA Certificate of Compliance certificate valid through November 19, 2027 and lists Charles Albert Bowles, Vice President, as its authorized official.

NPPES Registry Identity

NPI1629116124
Entity TypeOrganization
Primary Taxonomy291U00000X
Legal Business NameUNILAB CORPORATION
Location Address857 W CHILDS AVEMerced, CA 95341-6862
Mailing Address1201 S Collegeville RdCollegeville, PA 19426-2998 · (866) 697-8378
Organization SubpartYesParent: Unilab Corporation Dba Quest Diagnostics
Authorized OfficialCharles Albert BowlesVice President · (610) 454-6000
Enumeration DateFebruary 5, 2007
Last NPPES UpdateDecember 11, 2018
NPI 1629116124 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyClinical Medical LaboratoryLaboratories
Taxonomy Code291U00000X
License Licensed in CA · 05D0644027
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.
857 W CHILDS AVE, Merced, CA 95341

Other Names 1

Doing Business AsQuest Diagnostics

Other Identifiers 1

OtherLAB44027FMedi-cal

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 05D0644027

Unilab Corp Dba Quest Diagnostics · Merced, CA
Active · expires Nov 19, 2027
CLIA Number05D0644027
Laboratory TypeIndependent
Certificate Effective DateNovember 20, 2025
Certificate Expiration DateNovember 19, 2027
Laboratory DirectorLorne L. Holland
Laboratory Phone(209) 385-5632
Laboratory LocationUnilab Corp Dba Quest Diagnostics857 W Childs Road, Merced, CA 95341
CLIA data matches this NPI record on: Name
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

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.

Health Educator
857 W CHILDS AVE
MERCED, CA 95341
Nurse Practitioner (Gerontology)
857 W CHILDS AVE, GERIATRICS
MERCED, CA 95341
Physician Assistant
857 W CHILDS AVE
MERCED, CA 95341
Nurse Practitioner (Family)
857 W CHILDS AVE
MERCED, CA 95341
Physician Assistant
857 W CHILDS AVE
MERCED, CA 95341
Nurse Practitioner (Family)
857 W CHILDS AVE
MERCED, CA 95341
Community Health Worker
857 W CHILDS AVE
MERCED, CA 95341
Community Health Worker
857 W CHILDS AVE
MERCED, CA 95341

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 Unilab Corporation's NPI number?

The NPI number for Unilab Corporation is 1629116124. It was assigned to this organization in the NPPES registry on February 5, 2007. The provider is doing business as Quest Diagnostics.

Where is Unilab Corporation located?

Unilab Corporation is located at 857 W Childs Ave, Merced, CA 95341. The listed phone number is (209) 725-0658.

What is Unilab Corporation's specialty?

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

Does Unilab Corporation hold a CLIA laboratory certificate?

Yes. A Certificate of Compliance (number 05D0644027) is associated with this NPI, valid through November 19, 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 Unilab Corporation was last updated on December 11, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.