Dennis Chau
NPI 1891571394 · Rehabilitation Practitioner · San Francisco, CA
Dennis Chau is a Rehabilitation Practitioner provider in San Francisco, CA (NPI 1891571394).
Provider details
- NPI number
- 1891571394
- Entity type
- Individual
- Primary specialty
- Rehabilitation PractitionerRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 1720385032 (CA)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-08-31
- Last updated
- 2025-06-10
- Certified
- 2025-06-10
Frequently asked questions
- What is Dennis Chau's NPI number?
- Dennis Chau's National Provider Identifier (NPI) is 1891571394, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dennis Chau's specialty?
- Dennis Chau is listed in the NPPES registry with a primary specialty of Rehabilitation Practitioner (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Dennis Chau located?
- Dennis Chau's practice location on file with NPPES is 684 Ellis St, San Francisco, CA 94109-8090.
- What is Dennis Chau's phone number?
- The practice phone number listed in the NPPES registry for Dennis Chau is (415) 409-4611.
- Is Dennis Chau's NPI active?
- Yes — Dennis Chau's NPI (1891571394) is active in the NPPES registry as of the last update on 2025-06-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.