Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

San Mateo County Health Department Laboratory

Clinical Medical Laboratory in San Mateo, CA · enumerated 2006 · authorized official Brian Zamora, Director, Public Health Division.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1720167422

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Registry record

Entity type Organization (Type 2)

Legal business name San Mateo County Health Department Laboratory

Practice address 225 37th Ave, San Mateo, CA, 94403

Phone (650) 573-2500

Fax (650) 573-2147

Enumeration date Nov 3, 2006

Last updated in NPPES Aug 22, 2020

Taxonomy & classification

291U00000X Clinical Medical Laboratory Laboratories · License 1264 (CA) Primary

Authorized official

Name Brian Zamora

Title Director, Public Health Division

Phone (650) 573-3426

Other identifiers

Identifier	Type	State	Issuer
LAB77125F (ZOZ)	Medicaid	CA	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Where is San Mateo County Health Department Laboratory located?

The practice location on file with NPPES is in San Mateo, CA.

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2020-08-22. Verify at npiregistry.cms.hhs.gov.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-08-22.