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

GENOMIC HEALTH, INC.
NPI 1215003603
Clinical Medical Laboratory in Redwood City, CA

Active since November 28, 2006CLIA 05D1018272 · Accreditation
301 PENOBSCOT DRIVE, BILLING AND REIMBURSEMENT OPS., REDWOOD CITY, CA 94063(866) 662-6897(866) 383-1932 Get Directions Write a Review

NPPES record last updated: July 30, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 30, 2026, Oct 6, 2023, Apr 11, 2023 and 4 more (7 updates tracked since 2019).

About Genomic Health, Inc. NPPES

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

GENOMIC HEALTH, INC. (NPI 1215003603) is a healthcare organization registered as a clinical medical laboratory in Redwood City, California and active in the NPI registry since November 2006. The organization holds an CLIA Accreditation certificate valid through June 29, 2027, maintains 2 additional practice locations, and lists Stephen Tlachac, Divisional Vp And Controller, as its authorized official.

NPPES Registry Identity

NPI1215003603
Entity TypeOrganization
Primary Taxonomy291U00000X
Legal Business NameGENOMIC HEALTH, INC.
Location Address301 PENOBSCOT DRIVE, BILLING AND REIMBURSEMENT OPS.Redwood City, CA 94063-4700
Mailing AddressPo Box 735265Chicago, IL 60673-5265 · (866) 662-6897 · Fax (866) 383-1932
Phone(866) 662-6897
Fax(866) 383-1932
Organization SubpartNo
Authorized OfficialStephen TlachacDivisional Vp And Controller · (608) 284-5700
Enumeration DateNovember 28, 2006
Last NPPES UpdateJuly 30, 20267 updates tracked since enumeration
NPPES CertifiedJuly 30, 2026
✔ NPI 1215003603 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.
301 PENOBSCOT DRIVE, Redwood City, CA 94063
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Secondary Practice Locations 2

Location 1650 Forward Dr.Madison, WI 53711-2441 · Phone (608) 284-5700 · Fax (608) 535-8715
Location 2445 N 5th St Ste 100300Phoenix, AZ 85004-2157 · Phone (866) 662-6897 · Fax (866) 383-1932

Other Identifiers 1

MedicaidLAB18272FCA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Superior HealthPlan, Ambetter Health, Ambetter of Alabama and more.Insurance ›

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 05D1018272

Genomic Health Inc · Redwood City, CA
Active · expires Jun 29, 2027
CLIA Number05D1018272
Laboratory TypeIndependent
Certificate Effective DateJune 30, 2025
Certificate Expiration DateJune 29, 2027
Laboratory DirectorDr. Nhu Thuy Can
Laboratory Phone(650) 556-9300
Laboratory LocationGenomic Health Inc301 Penobscot Dr, Redwood City, CA 94063
CLIA data matches this NPI record on: Address 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.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Test for detecting genes associated with breast cancer 81519
This is a genetic test that identifies specific changes in your genes that could indicate a higher risk of developing breast health issues. It involves a simple blood or saliva sample. The results can help tailor your future health management plan.
24,800 services24,081 patients
Microscopic genetic analysis of tumor, manual 88360
Microscopic genetic analysis of a tumor involves examining your tumor's genes under a microscope. This helps identify specific genetic changes in the tumor cells. This information can aid in diagnosing, predicting disease progression, and determining the most effective treatment options.
958 services170 patients
Exome and transcriptome sequence analysis of dna and rna from tumor with dna from normal blood or saliva for subtraction, report of clinically significant mutations with therapy associations 0329U
This procedure, Oncology Neoplasm Exome and Transcriptome Sequencing Analysis, is a comprehensive genetic test. It studies your genes to identify changes that may be linked to cancer. It's a vital tool in understanding your unique genetic makeup and potential cancer risks.
283 services276 patients
Mrna gene analysis of 12 genes in breast ductal carcinoma in situ tumor tissue 0045U
This procedure involves studying 12 specific genes in breast tissue affected by ductal carcinoma in situ, a type of non-invasive cancer. It helps to understand the behavior of the cancer and guide treatment decisions.
130 services129 patients
Gene analysis (colon related cancer) 81525
Gene analysis for colon-related cancer involves studying your DNA to identify any changes or mutations that could indicate a higher risk of developing this type of cancer. This knowledge can help tailor prevention strategies and early detection methods.
114 services114 patients
Molecular pathology procedure 81479
A molecular pathology procedure is a specialized lab test that analyzes your genes at a molecular level. It helps identify genetic variations or changes that may affect your health. This information can assist in diagnosing, monitoring, and deciding treatment for certain conditions.
34 services34 patients

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 Genomic Health, Inc.'s NPI number?

The NPI number for Genomic Health, Inc. is 1215003603. It was assigned to this organization in the NPPES registry on November 28, 2006.

Where is Genomic Health, Inc. located?

Genomic Health, Inc. is located at 301 Penobscot Drive Billing And Reimbursement Ops., Redwood City, CA 94063. The listed phone number is (866) 662-6897.

What is Genomic Health, Inc.'s specialty?

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

Does Genomic Health, Inc. hold a CLIA laboratory certificate?

Yes. A Certificate of Accreditation (number 05D1018272) is associated with this NPI, valid through June 29, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Genomic Health, Inc. accept?

Health plans from Ambetter Health, Ambetter from Superior HealthPlan, Ambetter of Alabama, AvMed and Blue Cross Blue Shield of Arizona and 28 other insurers list Genomic Health, Inc. as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Genomic Health, Inc. was last updated on July 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.