QUEST DIAGNOSTICS CLINICAL LABORATORIES INC
NPI 1184282923
Clinical Medical Laboratory in Knoxville, TN

Active since June 05, 2019CLIA 44D0311066 · Accreditation
501 19TH ST STE 300, KNOXVILLE, TN 37916(865) 522-7591 Get Directions Write a Review

NPPES record last updated: December 21, 2023. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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 1184282923) is a healthcare organization registered as a clinical medical laboratory in Knoxville, Tennessee and active in the NPI registry since June 2019. The organization holds an CLIA Accreditation certificate valid through February 25, 2028, maintains a secondary practice location in Kingsport, and lists Charles Albert Bowles, Vice President, as its authorized official.

NPPES Registry Identity

NPI1184282923
Entity TypeOrganization
Primary Taxonomy291U00000X
Legal Business NameQUEST DIAGNOSTICS CLINICAL LABORATORIES INC
Location Address501 19TH ST STE 300Knoxville, TN 37916-1854
Mailing Address14275 Midway Rd Ste 400Addison, TX 75001-3661 · (866) 697-8378 · Fax (610) 271-4245
Organization SubpartYesParent: Quest Diagnostics Incorporated
Authorized OfficialCharles Albert BowlesVice President · (610) 454-6000
Enumeration DateJune 5, 2019
Last NPPES UpdateDecember 21, 2023
NPPES CertifiedDecember 21, 2023
NPI 1184282923 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.
501 19TH ST STE 300, Knoxville, TN 37916

Secondary Practice Location 1

Location 1105 W Stone Dr Ste 1HKingsport, TN 37660-3365 · Phone (423) 392-4110

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 44D0311066

Quest Diagnostics Clinical Laboratories, Inc Dba Diagnostics - Tricities · Kingsport, TN
Active · expires Feb 25, 2028
CLIA Number44D0311066
Laboratory TypeIndependent
Certificate Effective DateFebruary 26, 2026
Certificate Expiration DateFebruary 25, 2028
Laboratory DirectorDr. Gregory A. Stancel
Laboratory Phone(423) 392-4110
Laboratory LocationQuest Diagnostics Clinical Laboratories, Inc Dba Diagnostics - Tricities105 West Stone Drive Suite 1H, Kingsport, TN 37660
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.

Certificate of Accreditation 44D0312416

Quest Diagnostics Clinical Laboratories, Inc Dba Quest Diagnostics - Trustees Tower Prof Bldg · Knoxville, TN
Expired · Aug 4, 2026
CLIA Number44D0312416
Laboratory TypeIndependent
Certificate Effective DateAugust 5, 2024
Certificate Expiration DateAugust 4, 2026
Laboratory DirectorDr. Zachary T. Lewis
Laboratory Phone(865) 522-7591
Laboratory LocationQuest Diagnostics Clinical Laboratories, Inc Dba Quest Diagnostics - Trustees Tower Prof Bldg501 19th St, Suite 301, Knoxville, TN 37916
CLIA data matches this NPI record on: 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 64

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.
11,736 services7,947 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.
8,992 services6,698 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.
7,848 services5,263 patients
Creatinine level to test for kidney function or muscle injury 82570
A creatinine level test measures the amount of creatinine in your blood. This substance is a waste product from normal muscle use. Higher levels can indicate possible kidney dysfunction or muscle injury. This test helps monitor kidney health.
3,718 services2,728 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.
3,487 services2,763 patients
Urine microalbumin (protein) level 82043
The urine microalbumin level test measures the amount of a protein called albumin in your urine. This test helps to detect early signs of kidney damage. High levels of albumin may suggest your kidneys aren't functioning properly. It's a simple, non-invasive test that involves providing a urine sample.
3,381 services2,603 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 1184282923. It was assigned to this organization in the NPPES registry on June 5, 2019.

Where is Quest Diagnostics Clinical Laboratories Inc located?

Quest Diagnostics Clinical Laboratories Inc is located at 501 19th St Ste 300, Knoxville, TN 37916. The listed phone number is (865) 522-7591.

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 a CLIA laboratory certificate?

Yes. A Certificate of Accreditation (number 44D0311066) is associated with this NPI, valid through February 25, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Quest Diagnostics Clinical Laboratories Inc accept?

Health plans from Blue Cross and Blue Shield of NC, BlueCross BlueShield of South Carolina, BlueCross BlueShield of Tennessee, CareSource and First Choice Next and 2 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 December 21, 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.