Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

1 CORP DIAGNOSTICS LLC
NPI 1932997681
Clinical Medical Laboratory in Greensboro, NC

Active since April 30, 2025CLIA 34D2321589 · Certificate of Compliance
2806 RANDLEMAN RD STE D, GREENSBORO, NC 27406(336) 500-8026(336) 900-0159 Get Directions Write a Review

NPPES record last updated: August 14, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About 1 Corp Diagnostics Llc NPPES

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

1 CORP DIAGNOSTICS LLC (NPI 1932997681) is a healthcare organization registered as a clinical medical laboratory in Greensboro, North Carolina and active in the NPI registry since April 2025. The organization holds a CLIA Certificate of Compliance certificate valid through March 18, 2028 and lists Timothy Holliday, Chief Executive Officer, as its authorized official.

NPPES Registry Identity

NPI1932997681
Entity TypeOrganization
Primary Taxonomy291U00000X
Legal Business Name1 CORP DIAGNOSTICS LLC
Location Address2806 RANDLEMAN RD STE DGreensboro, NC 27406-5266
Mailing Address2806 Randleman Rd Ste DGreensboro, NC 27406-5266 · (336) 500-8026 · Fax (336) 900-0159
Fax(336) 900-0159
Organization SubpartNo
Authorized OfficialTimothy HollidayChief Executive Officer · (336) 500-8026
Enumeration DateApril 30, 2025
Last NPPES UpdateAugust 14, 2026
NPPES CertifiedAugust 14, 2026
NPI 1932997681 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.
2806 RANDLEMAN RD STE D, Greensboro, NC 27406

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 34D2321589

1 Corp Diagnostics LLC · Greensboro, NC
Active · expires Mar 18, 2028
CLIA Number34D2321589
Laboratory TypeIndependent
Certificate Effective DateMarch 19, 2026
Certificate Expiration DateMarch 18, 2028
Laboratory DirectorChristopher Njue
Laboratory Phone(336) 500-8026
Laboratory Location1 Corp Diagnostics LLC2806 Randleman Road, Suite D, Greensboro, NC 27406
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

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 1 Corp Diagnostics LLC's NPI number?

The NPI number for 1 Corp Diagnostics LLC is 1932997681. It was assigned to this organization in the NPPES registry on April 30, 2025.

Where is 1 Corp Diagnostics LLC located?

1 Corp Diagnostics LLC is located at 2806 Randleman Rd Ste D, Greensboro, NC 27406. The listed phone number is (336) 500-8026.

What is 1 Corp Diagnostics LLC's specialty?

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

Does 1 Corp Diagnostics LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Compliance (number 34D2321589) is associated with this NPI, valid through March 18, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for 1 Corp Diagnostics LLC was last updated on August 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.