Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Brian Chau

Pharmacist in Orange, CA · enumerated 2018.

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

National Provider Identifier

1528539442

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Registry record

Entity type Individual (Type 1)

Name Brian Chau

Sex Male

Practice address 1538 E. Chapman Ave, Orange, CA, 92866

Phone (714) 732-0889

Enumeration date Dec 17, 2018

Last updated in NPPES Dec 17, 2018

Taxonomy & licenses

183500000X Pharmacist Pharmacy Service Providers · License RPH79459 (CA) Primary

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.

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Frequently asked questions

How do I verify Brian Chau's NPI record?

Cross-check NPI 1528539442 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1528539442 active?

Yes, as of the latest NPPES snapshot, NPI 1528539442 is active (record last updated 2018-12-17).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-12-17.