NATIONAL TESTING SERVICES LLC
NPI 1669059085
Clinical Medical Laboratory in Hattiesburg, MS

Active since March 24, 2021CLIA 25D2192934 · Waiver
1520 ADELINE ST STE B, HATTIESBURG, MS 39401(601) 564-8632(601) 336-7185 Get Directions Write a Review

NPPES record last updated: March 24, 2021. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About National Testing Services Llc NPPES

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

NATIONAL TESTING SERVICES LLC (NPI 1669059085) is a healthcare organization registered as a clinical medical laboratory in Hattiesburg, Mississippi and active in the NPI registry since March 2021. The organization holds a CLIA Waiver certificate valid through September 15, 2026 and lists Danayeal C Bass, Lab Director, as its authorized official.

NPPES Registry Identity

NPI1669059085
Entity TypeOrganization
Primary Taxonomy291U00000X
Legal Business NameNATIONAL TESTING SERVICES LLC
Location Address1520 ADELINE ST STE BHattiesburg, MS 39401-6265
Mailing Address1520 Adeline St Ste BHattiesburg, MS 39401-6265 · (601) 564-8632 · Fax (601) 336-7185
Fax(601) 336-7185
Organization SubpartNo
Authorized OfficialDanayeal C BassLab Director · (601) 383-4546
Enumeration DateMarch 24, 2021
NPPES CertifiedMarch 24, 2021
NPI 1669059085 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.
1520 ADELINE ST STE B, Hattiesburg, MS 39401

Other Identifiers 1

Medicaid25D2192934MS

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 Waiver 25D2192934

National Testing Services LLC · Hattiesburg, MS
Active · expires Sep 15, 2026
CLIA Number25D2192934
Laboratory TypeMobile Laboratory
Certificate Effective DateSeptember 16, 2024
Certificate Expiration DateSeptember 15, 2026
Laboratory DirectorDanayeal C. Bass
Laboratory Phone(601) 564-8632
Laboratory LocationNational Testing Services LLC1520 Adeline St Ste B, Hattiesburg, MS 39402
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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 National Testing Services LLC's NPI number?

The NPI number for National Testing Services LLC is 1669059085. It was assigned to this organization in the NPPES registry on March 24, 2021.

Where is National Testing Services LLC located?

National Testing Services LLC is located at 1520 Adeline St Ste B, Hattiesburg, MS 39401. The listed phone number is (601) 564-8632.

What is National Testing Services LLC's specialty?

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

Does National Testing Services LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 25D2192934) is associated with this NPI, valid through September 15, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for National Testing Services LLC was last updated on March 24, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.