REDWOOD DIAGNOSTICS LLC
NPI 1376419770
Clinical Medical Laboratory in Austin, TX

Active since October 13, 2025CLIA 45D2331501 · Waiver
5900 BALCONES DR STE 27504, AUSTIN, TX 78731(320) 270-9779 Get Directions Write a Review

NPPES record last updated: May 8, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 8, 2026, Apr 8, 2026, Jan 22, 2026 and 1 more (4 updates tracked since 2025).

About Redwood Diagnostics Llc NPPES

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

REDWOOD DIAGNOSTICS LLC (NPI 1376419770) is a healthcare organization registered as a clinical medical laboratory in Austin, Texas and active in the NPI registry since October 2025. The organization holds a CLIA Waiver certificate valid through October 1, 2027 and lists Mark Anderson, Owner, as its authorized official.

NPPES Registry Identity

NPI1376419770
Entity TypeOrganization
Primary Taxonomy291U00000X
Legal Business NameREDWOOD DIAGNOSTICS LLC
Location Address5900 BALCONES DR STE 27504Austin, TX 78731-4257
Mailing Address5900 Balcones Dr Ste 27504Austin, TX 78731-4257 · (832) 220-8372
Organization SubpartNo
Authorized OfficialMark AndersonOwner · (832) 220-8372
Enumeration DateOctober 13, 2025
Last NPPES UpdateMay 8, 20264 updates tracked since enumeration
NPPES CertifiedMay 8, 2026
NPI 1376419770 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.
5900 BALCONES DR STE 27504, Austin, TX 78731

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 45D2331501

Redwood Diagnostics LLC · Austin, TX
Active · expires Oct 1, 2027
CLIA Number45D2331501
Laboratory TypeIndependent
Certificate Effective DateOctober 2, 2025
Certificate Expiration DateOctober 1, 2027
Laboratory DirectorMoab Binislam Siam
Laboratory Phone(320) 270-9779
Laboratory LocationRedwood Diagnostics LLC5900 Balcones Dr Ste 27504, Austin, TX 78731
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 Redwood Diagnostics LLC's NPI number?

The NPI number for Redwood Diagnostics LLC is 1376419770. It was assigned to this organization in the NPPES registry on October 13, 2025.

Where is Redwood Diagnostics LLC located?

Redwood Diagnostics LLC is located at 5900 Balcones Dr Ste 27504, Austin, TX 78731. The listed phone number is (320) 270-9779.

What is Redwood Diagnostics LLC's specialty?

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

Does Redwood Diagnostics LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 45D2331501) is associated with this NPI, valid through October 1, 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 Redwood Diagnostics LLC was last updated on May 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.