IndividualActive
Gerald Chan
NPI 1841519659 · Community Health Worker · Martinez, CA
Gerald Chan is a Community Health Worker provider in Martinez, CA (NPI 1841519659).
Provider details
- NPI number
- 1841519659
- Entity type
- Individual
- Primary specialty
- Community Health WorkerOther Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(77/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 yrs in NPPES registry
- Profile completeness38% of score
83% 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
25 Allen St Suite B
Martinez, CA 94553
Phone: (925) 276-5853
Approximate (ZIP-level) locationGet directions
Mailing address
25 Allen St Suite B
Martinez, CA 94553
Registry dates
- Enumerated
- 2010-05-19
- Last updated
- 2024-02-08
- Certified
- 2024-02-07
Frequently asked questions
- What is Gerald Chan's NPI number?
- Gerald Chan's National Provider Identifier (NPI) is 1841519659, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gerald Chan's specialty?
- Gerald Chan is listed in the NPPES registry with a primary specialty of Community Health Worker (Other Service Providers).
- Where is Gerald Chan located?
- Gerald Chan's practice location on file with NPPES is 25 Allen St Suite B, Martinez, CA 94553.
- What is Gerald Chan's phone number?
- The practice phone number listed in the NPPES registry for Gerald Chan is (925) 276-5853.
- Is Gerald Chan's NPI active?
- Yes — Gerald Chan's NPI (1841519659) is active in the NPPES registry as of the last update on 2024-02-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.