MS. TRISHA YEN CHAU MED
NPI 1609320910
Behavior Analyst in San Jose, CA

Q: What is Trisha Chau's NPI number?

The NPI number for Trisha Chau is 1609320910. It was assigned to this individual provider in the NPPES registry on August 4, 2016. The provider is also known as Ms. Trisha Yen Chau.

Q: What is Trisha Chau's specialty?

The primary specialty registered for this NPI is Behavior Analyst with taxonomy code 103K00000X.

Q: When was this NPI record last updated?

The NPPES record for Trisha Chau was last updated on February 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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 August 04, 2016

631 RIVER OAKS PKWY, SAN JOSE, CA 95134(408) 914-9153 Get Directions Write a Review

NPPES record last updated: February 6, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Feb 6, 2026, Sep 24, 2021 (2 updates tracked since 2021).

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About Ms. Trisha Yen Chau Med NPPES

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

MS. TRISHA YEN CHAU MED (NPI 1609320910) is an individual behavior analyst provider in San Jose, California and active in the NPI registry since August 2016.

NPPES Registry Identity

NPI1609320910

Entity TypeIndividualFemale

Primary Taxonomy103K00000X

Provider Legal NameMS. TRISHA YEN CHAUCredential: MED

Location Address631 RIVER OAKS PKWYSan Jose, CA 95134-1907

Mailing Address631 River Oaks PkwySan Jose, CA 95134-1907 · (408) 914-9153

Phone(408) 914-9153

Sole ProprietorYes

Enumeration DateAugust 4, 2016

Last NPPES UpdateFebruary 6, 20262 updates tracked since enumeration

NPPES CertifiedFebruary 6, 2026

✔ NPI 1609320910 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyBehavior AnalystBehavioral Health & Social Service Providers

Taxonomy Code103K00000X

Definition

A behavior analyst is qualified by at least a master's degree and Behavior Analyst Certification Board certification and/or a state-issued credential (such as a license) to practice behavior analysis independently. Behavior analysts provide the required supervision to assistant behavior analysts and behavior technicians. A behavior analyst delivers services consistent with the dimensions of applied behavior analysis. Common services may include, but are not limited to, conducting behavioral assessments, analyzing data, writing and revising behavior-analytic treatment plans, training others to implement components of treatment plans, and overseeing implementation of treatment plans.

631 RIVER OAKS PKWY, San Jose, CA 95134

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Other Names 1

Professional Name (2)Ms. Trisha Yen Chau

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.

KEVIN NGUYEN

Assistant Behavior Analyst