USA DIAGNOSTICS LLC
NPI 1790521359
Clinical Medical Laboratory in Richardson, TX

Active since July 03, 2024CLIA 45D2326575 · Accreditation
1840 N GREENVILLE AVE STE 176, RICHARDSON, TX 75081(509) 842-8987 Get Directions Write a Review

NPPES record last updated: June 25, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Jan 23, 2026, Jul 3, 2024 (2 updates tracked since 2024).

About Usa Diagnostics Llc NPPES

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

USA DIAGNOSTICS LLC (NPI 1790521359) is a healthcare organization registered as a clinical medical laboratory in Richardson, Texas and active in the NPI registry since July 2024. The organization holds an CLIA Accreditation certificate valid through July 6, 2027 and lists Adam Law, Owner, as its authorized official.

NPPES Registry Identity

NPI1790521359
Entity TypeOrganization
Primary Taxonomy291U00000X
Legal Business NameUSA DIAGNOSTICS LLC
Location Address1840 N GREENVILLE AVE STE 176Richardson, TX 75081-1301
Mailing Address1840 N Greenville Ave Ste 176Richardson, TX 75081-1301 · (509) 842-8987
Organization SubpartNo
Authorized OfficialAdam LawOwner · (509) 842-8987
Enumeration DateJuly 3, 2024
Last NPPES UpdateJune 25, 20262 updates tracked since enumeration
NPPES CertifiedJune 25, 2026
✔ NPI 1790521359 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.
1840 N GREENVILLE AVE STE 176, Richardson, TX 75081

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 Accreditation 45D2326575

Usa Diagnostics LLC · Richardson, TX
Active · expires Jul 6, 2027
CLIA Number45D2326575
Laboratory TypeIndependent
Certificate Effective DateJuly 7, 2025
Certificate Expiration DateJuly 6, 2027
Laboratory DirectorDr. Eric W. Johnson
Laboratory Phone(972) 290-1986
Laboratory LocationUsa Diagnostics LLC1840 N Greenville Ave, Ste 178, Richardson, TX 75081
CLIA data matches this NPI record on: 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.

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
1840 N GREENVILLE AVE STE 176
RICHARDSON, TX 75081

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 Usa Diagnostics LLC's NPI number?

The NPI number for Usa Diagnostics LLC is 1790521359. It was assigned to this organization in the NPPES registry on July 3, 2024.

Where is Usa Diagnostics LLC located?

Usa Diagnostics LLC is located at 1840 N Greenville Ave Ste 176, Richardson, TX 75081. The listed phone number is (509) 842-8987.

What is Usa Diagnostics LLC's specialty?

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

Does Usa Diagnostics LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Accreditation (number 45D2326575) is associated with this NPI, valid through July 6, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Usa Diagnostics LLC was last updated on June 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.