QUEST DIAGNOSTICS LLC IL
NPI 1881203826
Clinical Medical Laboratory in Milwaukee, WI

Active since July 27, 2020CLIA 52D2188290 · Certificate of Compliance
4852 S 6TH ST, MILWAUKEE, WI 53221(866) 697-8378 Get Directions Write a Review

NPPES record last updated: July 27, 2020. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Quest Diagnostics Llc Il NPPES

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

QUEST DIAGNOSTICS LLC IL (NPI 1881203826) is a healthcare organization registered as a clinical medical laboratory in Milwaukee, Wisconsin and active in the NPI registry since July 2020. The organization holds a CLIA Certificate of Compliance certificate valid through July 21, 2027 and lists Charles Albert Bowles, Vice President, as its authorized official.

NPPES Registry Identity

NPI1881203826
Entity TypeOrganization
Primary Taxonomy291U00000X
Legal Business NameQUEST DIAGNOSTICS LLC IL
Location Address4852 S 6TH STMilwaukee, WI 53221-2462
Mailing Address1201 S Collegeville RdCollegeville, PA 19426-2998
Organization SubpartYesParent: Quest Diagnostics Inc
Authorized OfficialCharles Albert BowlesVice President · (610) 454-6000
Enumeration DateJuly 27, 2020
NPPES CertifiedJuly 27, 2020
NPI 1881203826 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.
4852 S 6TH ST, Milwaukee, WI 53221

Accepted 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 Compliance 52D2188290

Quest Diagnostics - Milwaukee Rrl · Milwaukee, WI
Active · expires Jul 21, 2027
CLIA Number52D2188290
Laboratory TypeIndependent
Certificate Effective DateJuly 22, 2025
Certificate Expiration DateJuly 21, 2027
Laboratory DirectorBenjamin Midlikowski
Laboratory Phone(414) 203-3156
Laboratory LocationQuest Diagnostics - Milwaukee Rrl4852 S 6th St, Milwaukee, WI 53221
CLIA data matches this NPI record on: Address
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

Areas of Expertise CMS Part B claims 8

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.
221 services170 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.
188 services142 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.
142 services118 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.
70 services49 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.
62 services44 patients
Complete blood cell count (red cells, white blood cell, platelets), automated test 85027
A complete blood cell count (CBC) is an automated test that measures different components of the blood, including red cells, white cells, and platelets. It helps assess overall health, detect disorders like anemia or infection, and monitor medical treatments.
30 services25 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 LLC Il's NPI number?

The NPI number for Quest Diagnostics LLC Il is 1881203826. It was assigned to this organization in the NPPES registry on July 27, 2020.

Where is Quest Diagnostics LLC Il located?

Quest Diagnostics LLC Il is located at 4852 S 6th St, Milwaukee, WI 53221. The listed phone number is (866) 697-8378.

What is Quest Diagnostics LLC Il's specialty?

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

Does Quest Diagnostics LLC Il hold a CLIA laboratory certificate?

Yes. A Certificate of Compliance (number 52D2188290) is associated with this NPI, valid through July 21, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Quest Diagnostics LLC Il accept?

Health plans from Network Health list Quest Diagnostics LLC Il 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 LLC Il was last updated on July 27, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.