Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mr. William Vay Tsu, PA

Individual provider Physician Assistant · NPI 1912256439

Mr. William Vay Tsu, PA is a Physician Assistant in San Francisco, California. Licensed in California. Registered with an NPI since 2012.

Licensed in
CA
In the registry since
2012
What do these letters mean?
PA — Physician Assistant
A licensed clinician who examines, diagnoses and treats under a physician's supervision.

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Practice location Address checks out

326 32nd Ave Apt 4
San Francisco, CA 94121-1740
Phone: (714) 614-1541
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X (CA)

Record details

NPI number1912256439
Entity typeIndividual (Type 1)
GenderMale
Credentials PA
Sole proprietorNo
NPI enumeratedAugust 29, 2012
Last updated in NPPESDecember 9, 2022
Certification dateDecember 9, 2022

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