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

XIAO F TAN PHARMD
NPI 1124762950
Pharmacist in San Mateo, CA

Active since April 27, 2022
222 W 39TH AVE, SAN MATEO, CA 94403(650) 573-2385 Get Directions Write a Review

NPPES record last updated: August 25, 2026. Verified against the NPPES registry weekly; last sync: September 13, 2026.

Record update history: Aug 25, 2026, Apr 27, 2022 (2 updates tracked since 2022).

About Xiao F Tan Pharmd NPPES

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

XIAO F TAN PHARMD (NPI 1124762950) is an individual pharmacist in San Mateo, California, licensed in California (85242) and active in the NPI registry since April 2022.

NPPES Registry Identity

NPI1124762950
Entity TypeIndividualMale
Primary Taxonomy183500000X
Provider Legal NameXIAO F TANCredential: PHARMD
Location Address222 W 39TH AVESan Mateo, CA 94403-4364
Mailing Address222 W 39th AveSan Mateo, CA 94403-4364 · (650) 573-2385
Phone(650) 573-2385
Sole ProprietorNo
Enumeration DateApril 27, 2022
Last NPPES UpdateAugust 25, 20262 updates tracked since enumeration
NPPES CertifiedAugust 25, 2026
✔ NPI 1124762950 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPharmacistPharmacy Service Providers
Taxonomy Code183500000X
License✔ Licensed in CA · 85242
Definition
An individual licensed by the appropriate state regulatory agency to engage in the practice of pharmacy. The practice of pharmacy includes, but is not limited to, assessment, interpretation, evaluation, and implementation, initiation, monitoring or modification of medication and or medical orders; the compounding or dispensing of medication and or medical orders; participation in drug and device procurement, storage, and selection; drug administration; drug regimen reviews; drug or drug-related research; provision of patient education and the provision of those acts or services necessary to provide medication therapy management services in all areas of patient care.
222 W 39TH AVE, San Mateo, CA 94403
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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.

DR. LORENA MICHEL PSY.D.
Psychologist (Clinical)
222 W 39TH AVE
SAN MATEO, CA 94403
San Mateo County (650) 573-3420
COUNTY OF SAN MATEO
General Acute Care Hospital
222 W 39TH AVE
SAN MATEO, CA 94403
San Mateo County (650) 573-2222
DR. JUDITH CLAIRE SCHIFFNER M.D.
Dermatology
222 W 39TH AVE
SAN MATEO, CA 94403
San Mateo County (650) 573-2414
SAN MATEO MEDICAL CENTER
Clinic/Center
222 W 39TH AVE
SAN MATEO, CA 94403
San Mateo County (650) 573-2222
JOHN ANDERSON MD
Obstetrics & Gynecology
222 W 39TH AVE
SAN MATEO, CA 94403
San Mateo County (650) 573-2222
MR. PAUL SAITO M.A.
Counselor
222 W 39TH AVE
SAN MATEO, CA 94403
San Mateo County (650) 573-3435
CHRISTIAN SUSTRINA PTA
Physical Medicine & Rehabilitation
222 W 39TH AVE
SAN MATEO, CA 94403
San Mateo County (650) 573-2222
KATHRYN JOY SANTANA RN PHN
Registered Nurse
222 W 39TH AVE
SAN MATEO, CA 94403
San Mateo County (650) 573-3982

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 Xiao Tan's NPI number?

The NPI number for Xiao Tan is 1124762950. It was assigned to this individual provider in the NPPES registry on April 27, 2022.

Where is Xiao Tan located?

Xiao Tan practices at 222 W 39th Ave, San Mateo, CA 94403. The listed phone number is (650) 573-2385.

What is Xiao Tan's specialty?

The primary specialty registered for this NPI is Pharmacist with taxonomy code 183500000X.

When was this NPI record last updated?

The NPPES record for Xiao Tan was last updated on August 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 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.