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

ISABEL W XIAO PHARMD
NPI 1013828243
Pharmacist in San Francisco, CA

Active since September 16, 2026
505 PARNASSUS AVE, SAN FRANCISCO, CA 94143(415) 476-1000 Get Directions Write a Review

NPPES record added: September 16, 2026. Verified against the NPPES registry weekly; last sync: September 20, 2026.

About Isabel W Xiao Pharmd NPPES

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

ISABEL W XIAO PHARMD (NPI 1013828243) is an individual pharmacist in San Francisco, California, licensed in California (93200) and active in the NPI registry since September 2026.

NPPES Registry Identity

NPI1013828243
Entity TypeIndividualFemale
Primary Taxonomy183500000X
Provider Legal NameISABEL W XIAOCredential: PHARMD
Location Address505 PARNASSUS AVESan Francisco, CA 94143-2204
Mailing Address38 Hollywood CtSan Francisco, CA 94112-3710
Sole ProprietorNo
Enumeration DateSeptember 16, 2026
NPPES CertifiedSeptember 16, 2026
✔ NPI 1013828243 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPharmacistPharmacy Service Providers
Taxonomy Code183500000X
License✔ Licensed in CA · 93200
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.
505 PARNASSUS AVE, San Francisco, CA 94143

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.

Nurse Practitioner (Neonatal)
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Internal Medicine (Advanced Heart Failure and Transplant Cardiology)
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Hospitalist
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Student in an Organized Health Care Education/Training Program
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Internal Medicine
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Internal Medicine (Geriatric Medicine)
505 PARNASSUS AVE, 15 LONG
SAN FRANCISCO, CA 94143
Student in an Organized Health Care Education/Training Program
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Nurse Anesthetist, Certified Registered
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143

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 Isabel Xiao's NPI number?

The NPI number for Isabel Xiao is 1013828243. It was assigned to this individual provider in the NPPES registry on September 16, 2026.

Where is Isabel Xiao located?

Isabel Xiao practices at 505 Parnassus Ave, San Francisco, CA 94143. The listed phone number is (415) 476-1000.

What is Isabel Xiao'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 Isabel Xiao was last updated on September 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.