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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

ALAN TAN RN
NPI 1225944614
Registered Nurse - Critical Care Medicine in San Francisco, CA

Active since August 24, 2026
4150 CLEMENT ST, SAN FRANCISCO, CA 94121(415) 221-4810 Get Directions Write a Review

NPPES record added: August 24, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Alan Tan Rn NPPES

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

ALAN TAN RN (NPI 1225944614) is an individual critical care medicine provider in San Francisco, California, licensed in California (95305823) and active in the NPI registry since August 2026.

NPPES Registry Identity

NPI1225944614
Entity TypeIndividualMale
Primary Taxonomy163WC0200X
Provider Legal NameALAN TANCredential: RN
Location Address4150 CLEMENT STSan Francisco, CA 94121-1563
Mailing Address4150 Clement StSan Francisco, CA 94121-1563
Phone(415) 221-4810
Sole ProprietorNo
Enumeration DateAugust 24, 2026
NPPES CertifiedAugust 24, 2026
✔ NPI 1225944614 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRegistered Nurse · Critical Care MedicineNursing Service Providers
Taxonomy Code163WC0200X
License✔ Licensed in CA · 95305823
4150 CLEMENT ST, San Francisco, CA 94121
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MR. SHANNON KISSINGER MSW
Social Worker
4150 CLEMENT ST
SAN FRANCISCO, CA 94121
San Francisco County (415) 221-4848
MS. AYESHA DELANY-BRUMSEY M.A.
Student in an Organized Health Care Education/Training Program
4150 CLEMENT ST
SAN FRANCISCO, CA 94121
San Francisco County (415) 221-4810
DYLAN LEE PHARMD
Pharmacist
4150 CLEMENT ST
SAN FRANCISCO, CA 94121
San Francisco County (415) 221-4810
MARY CAROLENE SAUR RN
Registered Nurse
4150 CLEMENT ST
SAN FRANCISCO, CA 94121
San Francisco County (415) 221-4810
SEAN ACE MINERALES
Registered Nurse
4150 CLEMENT ST
SAN FRANCISCO, CA 94121
San Francisco County (415) 221-4810
DR. PATRICK KWOCK ONG PHARM. D.
Pharmacist
4150 CLEMENT ST
SAN FRANCISCO, CA 94121
San Francisco County (415) 750-2054
MRS. MINDA MANUEL LAQUIAN RRT
Respiratory Therapist, Registered
4150 CLEMENT ST
SAN FRANCISCO, CA 94121
San Francisco County (415) 221-4810
SARAH CHOI N. P.
Nurse Practitioner (Family)
4150 CLEMENT ST
SAN FRANCISCO, CA 94121
San Francisco County (415) 221-4810

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 1225944614. It was assigned to this individual provider in the NPPES registry on August 24, 2026.

Where is Alan Tan located?

Alan Tan practices at 4150 Clement St, San Francisco, CA 94121. The listed phone number is (415) 221-4810.

What is Alan Tan's specialty?

The primary specialty registered for this NPI is Registered Nurse, specializing in Critical Care Medicine, with taxonomy code 163WC0200X.

When was this NPI record last updated?

The NPPES record for Alan Tan was last updated on August 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.