REDWOOD TOXICOLOGY LABORATORY, INC.
NPI 1891792875
Clinical Medical Laboratory in Santa Rosa, CA

Active since July 05, 2005CLIA 05D0707588 · Certificate of Compliance
3650 WESTWIND BLVD, SANTA ROSA, CA 95403(800) 255-2159(707) 569-1442 Get Directions Write a Review

NPPES record last updated: January 14, 2020. Verified against the NPPES registry weekly; last sync: September 06, 2026.

About Redwood Toxicology Laboratory, Inc. NPPES

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

REDWOOD TOXICOLOGY LABORATORY, INC. (NPI 1891792875) is a healthcare organization registered as a clinical medical laboratory in Santa Rosa, California and active in the NPI registry since July 2005. The organization holds a CLIA Certificate of Compliance certificate valid through October 13, 2026 and lists Sheila Tran, Vp Finance, as its authorized official.

NPPES Registry Identity

NPI1891792875
Entity TypeOrganization
Primary Taxonomy291U00000X
Legal Business NameREDWOOD TOXICOLOGY LABORATORY, INC.
Location Address3650 WESTWIND BLVDSanta Rosa, CA 95403-1066
Mailing Address3650 Westwind BlvdSanta Rosa, CA 95403-1066 · (800) 255-2159 · Fax (707) 569-1442
Fax(707) 569-1442
Organization SubpartNo
Authorized OfficialSheila TranVp Finance · (800) 255-2159
Enumeration DateJuly 5, 2005
Last NPPES UpdateJanuary 14, 2020
NPI 1891792875 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyClinical Medical LaboratoryLaboratories
Taxonomy Code291U00000X
License Licensed in CA · CLF 3738
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.
3650 WESTWIND BLVD, Santa Rosa, CA 95403

Other Identifiers 13

Medicaid0563635IA
Medicaid429190500MD
Medicaid806553300ID
Medicaid769630AZ
Medicaid37000692KY
Medicaid4490625MI
Medicaid98003262CO
Medicaid1149781LA
MedicaidLAB07588FCA
Medicaid200305900AIN
Medicaid410780000ME
Medicaid690000004AL
MedicaidLB588CAAK

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 05D0707588

Redwood Toxicology Laboratory, Inc · Santa Rosa, CA
Active · expires Oct 13, 2026
CLIA Number05D0707588
Laboratory TypeIndependent
Certificate Effective DateOctober 14, 2024
Certificate Expiration DateOctober 13, 2026
Laboratory DirectorHenry Tsai
Laboratory Phone(800) 255-2159
Laboratory LocationRedwood Toxicology Laboratory, Inc3650 Westwind Blvd, Santa Rosa, CA 95403
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 Redwood Toxicology Laboratory, Inc.'s NPI number?

The NPI number for Redwood Toxicology Laboratory, Inc. is 1891792875. It was assigned to this organization in the NPPES registry on July 5, 2005.

Where is Redwood Toxicology Laboratory, Inc. located?

Redwood Toxicology Laboratory, Inc. is located at 3650 Westwind Blvd, Santa Rosa, CA 95403. The listed phone number is (800) 255-2159.

What is Redwood Toxicology Laboratory, Inc.'s specialty?

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

Does Redwood Toxicology Laboratory, Inc. hold a CLIA laboratory certificate?

Yes. A Certificate of Compliance (number 05D0707588) is associated with this NPI, valid through October 13, 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 Redwood Toxicology Laboratory, Inc. was last updated on January 14, 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.