Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

QUEST DIAGNOSTICS CLINICAL LABORATORIES INC
NPI 1104016088
Clinical Medical Laboratory in Maryland Heights, MO

Active since July 27, 2007
11636 ADMINISTRATION DRIVE, MARYLAND HEIGHTS, MO 63146(314) 872-6302 Get Directions Write a Review

NPPES record last updated: July 16, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 16, 2026, Feb 6, 2025, Dec 5, 2018 (3 updates tracked since 2018).

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 1104016088) is a healthcare organization registered as a clinical medical laboratory in Maryland Heights, Missouri and active in the NPI registry since July 2007. The organization lists Leah D Timmerman, Vice President, as its authorized official.

NPPES Registry Identity

NPI1104016088
Entity TypeOrganization
Primary Taxonomy291U00000X
Legal Business NameQUEST DIAGNOSTICS CLINICAL LABORATORIES INC
Location Address11636 ADMINISTRATION DRIVEMaryland Heights, MO 63146-3534
Mailing Address4770 Regent BlvdIrving, TX 75063-2445
Organization SubpartYesParent: Quest Diagnostics Incorporated
Authorized OfficialLeah D TimmermanVice President · (973) 520-2700
Enumeration DateJuly 27, 2007
Last NPPES UpdateJuly 16, 20263 updates tracked since enumeration
NPPES CertifiedJuly 16, 2026
NPI 1104016088 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyClinical Medical LaboratoryLaboratories
Taxonomy Code291U00000X
License Licensed in MO · 26D0652092
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.
11636 ADMINISTRATION DRIVE, Maryland Heights, MO 63146

Accepted Insurance

Areas of Expertise CMS Part B claims 103

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.

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.
44,376 services29,219 patients
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.
35,146 services24,198 patients
Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
31,391 services23,693 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.
29,685 services16,530 patients
Blood test, lipids (cholesterol and triglycerides) 80061
A lipid panel is a blood test that measures fats and fatty substances, such as cholesterol and triglycerides. These substances are used by your body as a source of energy. High levels can lead to health issues, including heart disease.
26,183 services22,424 patients
Bacterial colony count, urine 87086
A bacterial colony count, urine, is a laboratory test that checks a urine sample for bacteria. It helps to identify if an infection is present in the urinary system. High numbers of bacteria in the urine can indicate a urinary tract infection (UTI).
21,914 services14,621 patients

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 1104016088. It was assigned to this organization in the NPPES registry on July 27, 2007.

Where is Quest Diagnostics Clinical Laboratories Inc located?

Quest Diagnostics Clinical Laboratories Inc is located at 11636 Administration Drive, Maryland Heights, MO 63146. The listed phone number is (314) 872-6302.

What is Quest Diagnostics Clinical Laboratories Inc's specialty?

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

What insurance does Quest Diagnostics Clinical Laboratories Inc accept?

Health plans from Blue Cross and Blue Shield of Alabama, Blue Cross and Blue Shield of Kansas, Inc. and Quartz list Quest Diagnostics Clinical Laboratories Inc 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 Quest Diagnostics Clinical Laboratories Inc was last updated on July 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 28 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.