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 1013431741
Clinical Medical Laboratory in Denver, CO

Active since August 03, 2017CLIA Certified · 2 labs
695 S BROADWAY, DENVER, CO 80209(866) 697-8378 Get Directions Write a Review

NPPES record last updated: October 13, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Oct 13, 2026, Dec 19, 2024, Sep 20, 2022 and 3 more (6 updates tracked since 2017).

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 1013431741) is a healthcare organization registered as a clinical medical laboratory in Denver, Colorado and active in the NPI registry since August 2017. The organization holds 2 active CLIA laboratory certificates and lists Leah D Timmerman, Vice President, as its authorized official.

NPPES Registry Identity

NPI1013431741
Entity TypeOrganization
Primary Taxonomy291U00000X
Legal Business NameQUEST DIAGNOSTICS CLINICAL LABORATORIES INC
Location Address695 S BROADWAYDenver, CO 80209-4003
Mailing Address4770 Regent BlvdIrving, TX 75063-2445 · (866) 697-8378 · Fax (610) 271-4245
Organization SubpartYesParent: Quest Diagnostics Incorporated
Authorized OfficialLeah D TimmermanVice President · (973) 520-2700
Enumeration DateAugust 3, 2017
Last NPPES UpdateOctober 13, 20266 updates tracked since enumeration
NPPES CertifiedOctober 13, 2026
✔ NPI 1013431741 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.
695 S BROADWAY, Denver, CO 80209

Accepted Insurance

CLIA Laboratory Certificates CMS CLIA 2

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 06D0514225

Quest Diagnostics · Denver, CO
Active · expires Feb 8, 2027
CLIA Number06D0514225
Laboratory TypeIndependent
Certificate Effective DateFebruary 9, 2025
Certificate Expiration DateFebruary 8, 2027
Laboratory DirectorDr. Richard B. Iverson
Laboratory Phone(303) 899-6426
Laboratory LocationQuest Diagnostics695 S Broadway Attn - Daidre Hunter, Denver, CO 80209
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.

Certificate of Accreditation 45D0697943

Quest Diagnostic Clinical Laboratories Inc · Irving, TX
Active · expires Feb 8, 2027
CLIA Number45D0697943
Laboratory TypeIndependent
Certificate Effective DateFebruary 9, 2025
Certificate Expiration DateFebruary 8, 2027
Laboratory DirectorDr. Clare Mccormick-Baw
Laboratory Phone(972) 536-8855
Laboratory LocationQuest Diagnostic Clinical Laboratories Inc4770 Regent Blvd, Irving, TX 75063
CLIA data matches this NPI record on: Address
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 308

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.

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.
17,631 services13,453 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.
17,111 services12,636 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.
13,858 services9,688 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).
12,630 services9,019 patients
Bacterial urine culture 87088
A bacterial urine culture is a laboratory test that checks for bacteria in your urine. It helps identify the type of bacteria causing an infection, enabling the selection of the most effective treatment. The test involves collecting a urine sample in a sterile container.
10,434 services7,317 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.
9,991 services8,777 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.

Clinical Medical Laboratory
695 S BROADWAY, SUITE100
DENVER, CO 80209

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 1013431741. It was assigned to this organization in the NPPES registry on August 3, 2017.

Where is Quest Diagnostics Clinical Laboratories Inc located?

Quest Diagnostics Clinical Laboratories Inc is located at 695 S Broadway, Denver, CO 80209. The listed phone number is (866) 697-8378.

What is Quest Diagnostics Clinical Laboratories Inc's specialty?

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

Does Quest Diagnostics Clinical Laboratories Inc hold CLIA laboratory certificates?

Yes. 2 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

What insurance does Quest Diagnostics Clinical Laboratories Inc accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and Ambetter from Superior HealthPlan and 7 other insurers 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 October 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 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.