QUEST DIAGNOSTICS
NPI 1508905829
Clinical Medical Laboratory in Bakersfield, CA

Active since February 05, 2007CLIA 05D0909695 · Accreditation
9500 STOCKDALE HWY, SUITE 107, BAKERSFIELD, CA 93311(661) 664-1320(661) 664-1581 Get Directions Write a Review

NPPES record last updated: December 10, 2018. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Quest Diagnostics NPPES

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

QUEST DIAGNOSTICS (NPI 1508905829) is a healthcare organization registered as a clinical medical laboratory in Bakersfield, California and active in the NPI registry since February 2007. The organization holds an CLIA Accreditation certificate valid through January 10, 2028 and lists Charles Albert Bowles, Vice President, as its authorized official.

NPPES Registry Identity

NPI1508905829
Entity TypeOrganization
Primary Taxonomy291U00000X
Legal Business NameUNILAB CORPORATION
Location Address9500 STOCKDALE HWY, SUITE 107Bakersfield, CA 93311-3621
Mailing Address1201 S Collegeville RdCollegeville, PA 19426-2998 · (866) 697-8378
Fax(661) 664-1581
Organization SubpartYesParent: Quest Diagnostics Incorporated
Authorized OfficialCharles Albert BowlesVice President · (610) 454-4122
Enumeration DateFebruary 5, 2007
Last NPPES UpdateDecember 10, 2018
NPI 1508905829 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyClinical Medical LaboratoryLaboratories
Taxonomy Code291U00000X
License Licensed in CA · 05D0909695
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.

9500 STOCKDALE HWY, Bakersfield, CA 93311

Other Names 1

Doing Business AsQuest Diagnostics

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 Accreditation 05D0909695

Unilab Corporation Dba Quest Diagnostics · Bakersfield, CA
Active · expires Jan 10, 2028
CLIA Number05D0909695
Laboratory TypeIndustrial
Certificate Effective DateJanuary 11, 2026
Certificate Expiration DateJanuary 10, 2028
Laboratory DirectorDr. Linda Shi
Laboratory Phone(661) 664-1320
Laboratory LocationUnilab Corporation Dba Quest Diagnostics9500 Stockdale Highway Ste 107, Bakersfield, CA 93311
CLIA data matches this NPI record on: Address Name Phone
This is a certificate that is issued to a laboratory on the basis of the laboratory's accreditation by an accreditation organization approved by CMS.

Areas of Expertise CMS Part B claims 14

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.
337 services244 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.
305 services193 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.
262 services189 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.
156 services70 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.
121 services99 patients
Manual urinalysis test with examination using microscope, automated 81001
A manual urinalysis test with automated microscopic examination is a lab process that checks your urine for health indicators. It involves a machine scanning your sample to identify any abnormal elements, which can assist in diagnosing various conditions.
75 services67 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.

Chiropractor
9500 STOCKDALE HWY
BAKERSFIELD, CA 93311
Orthopaedic Surgery
9500 STOCKDALE HWY, SUITE 106
BAKERSFIELD, CA 93311
Clinic/Center (Health Service)
9500 STOCKDALE HWY, SUITES 100 & 103
BAKERSFIELD, CA 93311
Nurse Practitioner (Family)
9500 STOCKDALE HWY, SUITE 101
BAKERSFIELD, CA 93311
Family Medicine
9500 STOCKDALE HWY, #203
BAKERSFIELD, CA 93311
Physician Assistant
9500 STOCKDALE HWY, #203
BAKERSFIELD, CA 93311
Nurse Practitioner (Family)
9500 STOCKDALE HWY, #203
BAKERSFIELD, CA 93311
Clinic/Center (Urgent Care)
9500 STOCKDALE HWY
BAKERSFIELD, CA 93311

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 1508905829. 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 9500 Stockdale Hwy Suite 107, Bakersfield, CA 93311. The listed phone number is (661) 664-1320.

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 Accreditation (number 05D0909695) is associated with this NPI, valid through January 10, 2028. 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 10, 2018. NPI Profile syncs with the weekly NPPES data releases published by CMS.