Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Alan Yuen

Pharmacist in San Francisco, CA · enumerated 2017.

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

National Provider Identifier

1164954350

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Registry record

Entity type Individual (Type 1)

Name Alan Yuen

Sex Male

Practice address 4141 Geary Blvd, 1st Floor Pharmacy, San Francisco, CA, 94118

Phone (415) 833-7895

Enumeration date Mar 28, 2017

Last updated in NPPES Mar 28, 2017

Taxonomy & licenses

183500000X Pharmacist Pharmacy Service Providers · License 42639 (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.

Read the full guide → Validate an NPI →

Frequently asked questions

What specialty is Alan Yuen?

Alan Yuen is registered in NPPES with the primary taxonomy of Pharmacist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-03-28.