Isa Diaz Castillo
NPI 1245857788 · Community Health Worker · Richmond, CA
Isa Diaz Castillo is a Community Health Worker provider in Richmond, CA (NPI 1245857788).
Provider details
- NPI number
- 1245857788
- Entity type
- Individual
- Primary specialty
- Community Health WorkerOther Service Providers
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Other Service Providers
- Mental Health Counselor101YM0800X
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 10869 San Pablo Ave Apt DEl Cerrito, CA 94530-2302Phone: (510) 778-4497
Registry dates
- Enumerated
- 2020-07-01
- Last updated
- 2023-05-10
- Certified
- 2023-05-10
Frequently asked questions
- What is Isa Diaz Castillo's NPI number?
- Isa Diaz Castillo's National Provider Identifier (NPI) is 1245857788, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Isa Diaz Castillo's specialty?
- Isa Diaz Castillo is listed in the NPPES registry with a primary specialty of Community Health Worker (Other Service Providers).
- Where is Isa Diaz Castillo located?
- Isa Diaz Castillo's practice location on file with NPPES is 200 24th St, Richmond, CA 94804-1804.
- What is Isa Diaz Castillo's phone number?
- The practice phone number listed in the NPPES registry for Isa Diaz Castillo is (510) 778-4497.
- Is Isa Diaz Castillo's NPI active?
- Yes — Isa Diaz Castillo's NPI (1245857788) is active in the NPPES registry as of the last update on 2023-05-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.