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

ALAN S TAN PHARM. D.
NPI 1245378850
Pharmacist - Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist in San Francisco, CA

Q: What is Alan Tan's NPI number?

The NPI number for Alan Tan is 1245378850. It was assigned to this individual provider in the NPPES registry on February 3, 2007.

Q: What is Alan Tan's specialty?

The primary specialty registered for this NPI is Pharmacist, specializing in Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist, with taxonomy code 1835P0018X.

Q: When was this NPI record last updated?

The NPPES record for Alan Tan was last updated on November 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.

Active since February 03, 2007

350 PARNASSUS AVE STE 410, SAN FRANCISCO, CA 94117(415) 353-1149 Get Directions Write a Review

NPPES record last updated: November 2, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

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About Alan S Tan Pharm. D. NPPES

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

ALAN S TAN PHARM. D. (NPI 1245378850) is an individual pharmacist clinician (phc)/ clinical pharmacy specialist in San Francisco, California, licensed in California (58754) and active in the NPI registry since February 2007.

NPPES Registry Identity

NPI1245378850

Entity TypeIndividualMale

Primary Taxonomy1835P0018X

Provider Legal NameALAN S TANCredential: PHARM. D.

Location Address350 PARNASSUS AVE STE 410San Francisco, CA 94117-3608

Mailing Address718 42nd AveSan Francisco, CA 94121-3323

Phone(415) 353-1149

Sole ProprietorNo

Enumeration DateFebruary 3, 2007

Last NPPES UpdateNovember 2, 2026

NPPES CertifiedNovember 2, 2026

✔ NPI 1245378850 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPharmacist · Pharmacist Clinician (PhC)/ Clinical Pharmacy SpecialistPharmacy Service Providers

Taxonomy Code1835P0018X

License✔ Licensed in CA · 58754

Definition

Pharmacist Clinician/Clinical Pharmacy Specialist is a pharmacist with additional training and an expanded scope of practice that may include prescriptive authority, therapeutic management, and disease management.

Also ListedPharmacistTaxonomy 183500000X · License 58754 (CA)

350 PARNASSUS AVE STE 410, San Francisco, CA 94117

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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 Alan Tan's NPI number?

The NPI number for Alan Tan is 1245378850. It was assigned to this individual provider in the NPPES registry on February 3, 2007.

Where is Alan Tan located?

Alan Tan practices at 350 Parnassus Ave Ste 410, San Francisco, CA 94117. The listed phone number is (415) 353-1149.

What is Alan Tan's specialty?

The primary specialty registered for this NPI is Pharmacist, specializing in Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist, with taxonomy code 1835P0018X.

When was this NPI record last updated?

The NPPES record for Alan Tan was last updated on November 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.