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QUEST DIAGNOSTICS
NPI 1023054863
Clinical Medical Laboratory in San Diego, CA

Active since June 21, 2006CLIA 05D0707476 · Accreditation
9245 ACTIVITY RD, STE 109 & STE 110, SAN DIEGO, CA 92126(800) 848-4225 Get Directions Write a Review

NPPES record last updated: August 17, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 17, 2023, Dec 10, 2018 (2 updates tracked since 2018).

About Quest Diagnostics NPPES

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

QUEST DIAGNOSTICS (NPI 1023054863) is a healthcare organization registered as a clinical medical laboratory in San Diego, California and active in the NPI registry since June 2006. The organization holds an CLIA Accreditation certificate valid through February 8, 2027 and lists Charles Albert Bowles, Vice President, as its authorized official.

NPPES Registry Identity

NPI1023054863
Entity TypeOrganization
Primary Taxonomy291U00000X
Legal Business NameUNILAB CORPORATION
Location Address9245 ACTIVITY RD, STE 109 & STE 110San Diego, CA 92126-4441
Mailing Address14275 Midway Rd Ste 400Addison, TX 75001-3614 · (774) 843-3205
Phone(800) 848-4225
Organization SubpartYesParent: Quest Diagnostics Incorporated
Authorized OfficialCharles Albert BowlesVice President · (610) 454-4122
Enumeration DateJune 21, 2006
Last NPPES UpdateAugust 17, 20232 updates tracked since enumeration
NPPES CertifiedAugust 17, 2023
✔ NPI 1023054863 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinical Medical LaboratoryLaboratories
Taxonomy Code291U00000X
License✔ Licensed in CA · 05D0707476
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.
9245 ACTIVITY RD, San Diego, CA 92126
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Other Names 1

Doing Business AsQuest Diagnostics

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Kansas, Inc., BlueCross BlueShield of South Carolina, InStil Health.Insurance ›

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 05D0707476

Unilab Corporation Dba Quest Diagnostics · San Diego, CA
Active · expires Feb 8, 2027
CLIA Number05D0707476
Laboratory TypeIndependent
Certificate Effective DateFebruary 9, 2025
Certificate Expiration DateFebruary 8, 2027
Laboratory DirectorDr. Rodelio C. Guintu
Laboratory Phone(858) 527-3463
Laboratory LocationUnilab Corporation Dba Quest Diagnostics9245 Activity Road #109, San Diego, CA 92126
CLIA data matches this NPI record on: Address Name
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 11

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.
194 services149 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.
193 services159 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.
126 services85 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.
66 services62 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.
62 services32 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.
30 services28 patients

Other Providers at the Same Location NPPES

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

AMY DE MEULES LCSW
Social Worker (Clinical)
9245 ACTIVITY RD, SUITE 200
SAN DIEGO, CA 92126
San Diego County (858) 603-9215

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 1023054863. It was assigned to this organization in the NPPES registry on June 21, 2006. The provider is doing business as Quest Diagnostics.

Where is Unilab Corporation located?

Unilab Corporation is located at 9245 Activity Rd Ste 109 & Ste 110, San Diego, CA 92126. The listed phone number is (800) 848-4225.

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 05D0707476) is associated with this NPI, valid through February 8, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Unilab Corporation accept?

Health plans from Blue Cross and Blue Shield of Kansas, Inc., BlueCross BlueShield of South Carolina and InStil Health list Unilab Corporation as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Unilab Corporation was last updated on August 17, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.