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DENNIS CHAU
NPI 1891571394
Rehabilitation Practitioner in San Francisco, CA

Active since August 31, 2023
684 ELLIS ST, SAN FRANCISCO, CA 94109(415) 409-4611 Get Directions Write a Review

NPPES record last updated: June 10, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jun 10, 2025, Aug 31, 2023 (2 updates tracked since 2023).

About Dennis Chau NPPES

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

DENNIS CHAU (NPI 1891571394) is an individual rehabilitation practitioner in San Francisco, California, licensed in California (1720385032) and active in the NPI registry since August 2023.

NPPES Registry Identity

NPI1891571394
Entity TypeIndividualMale
Primary Taxonomy225400000X
Provider Legal NameDENNIS CHAU
Location Address684 ELLIS STSan Francisco, CA 94109-8090
Mailing Address684 Ellis StSan Francisco, CA 94109-8090 · (415) 902-3853
Phone(415) 409-4611
Sole ProprietorNo
Enumeration DateAugust 31, 2023
Last NPPES UpdateJune 10, 20252 updates tracked since enumeration
NPPES CertifiedJune 10, 2025
✔ NPI 1891571394 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRehabilitation PractitionerRespiratory, Developmental, Rehabilitative and Restorative Service Providers
Taxonomy Code225400000X
License✔ Licensed in CA · 1720385032
Definition
A health care practitioner who trains or retrains individuals disabled by disease or injury to help them attain their maximum functional capacity.
684 ELLIS ST, San Francisco, CA 94109
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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.

MS. ANJNA CHAMPANERI MSW
Counselor
684 ELLIS ST
SAN FRANCISCO, CA 94109
San Francisco County (415) 409-4611
KATHLEEN FLANAGAN CHEATHAM MPA
Case Manager/Care Coordinator
684 ELLIS ST
SAN FRANCISCO, CA 94109
San Francisco County (415) 409-4611
COMMUNITY HOUSING PARTNERSHIP
Community/Behavioral Health
684 ELLIS ST
SAN FRANCISCO, CA 94109
San Francisco County (415) 852-5300
MISS JANISHA SIMONE CHRISTIAN
Counselor
684 ELLIS ST
SAN FRANCISCO, CA 94109
San Francisco County (415) 409-4611
THOMAS VARNER
Marriage & Family Therapist
684 ELLIS ST
SAN FRANCISCO, CA 94109
San Francisco County (415) 902-7226
MS. DARA RUTH PAPO LCSW
Social Worker (Clinical)
684 ELLIS ST
SAN FRANCISCO, CA 94109
San Francisco County (415) 902-2487
OZAN YAY
Case Manager/Care Coordinator
684 ELLIS ST
SAN FRANCISCO, CA 94109
San Francisco County (415) 828-4753
KATE HORSTING
Specialist
684 ELLIS ST
SAN FRANCISCO, CA 94109
San Francisco County (415) 409-4611

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 Dennis Chau's NPI number?

The NPI number for Dennis Chau is 1891571394. It was assigned to this individual provider in the NPPES registry on August 31, 2023.

Where is Dennis Chau located?

Dennis Chau practices at 684 Ellis St, San Francisco, CA 94109. The listed phone number is (415) 409-4611.

What is Dennis Chau's specialty?

The primary specialty registered for this NPI is Rehabilitation Practitioner with taxonomy code 225400000X.

When was this NPI record last updated?

The NPPES record for Dennis Chau was last updated on June 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.