IndividualActive
Samuel Castillo
NPI 1851931141 · Community Health Worker · San Francisco, CA
Samuel Castillo is a Community Health Worker provider in San Francisco, CA (NPI 1851931141).
Provider details
- NPI number
- 1851931141
- Entity type
- Individual
- Primary specialty
- Community Health WorkerOther Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Other Service Providers
Profile Score
Established profile(63/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 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
368 Fell St
San Francisco, CA 94102-5144
Phone: (415) 861-0828
Street-level locationGet directions
Mailing address
368 Fell St
San Francisco, CA 94102-5144
Additional practice locations (1)
- 52 Dore StSan Francisco, CA 94103-3828Phone: (415) 861-0828Fax: (415) 861-0140
Registry dates
- Enumerated
- 2020-01-14
- Last updated
- 2023-05-10
- Certified
- 2023-05-10
Frequently asked questions
- What is Samuel Castillo's NPI number?
- Samuel Castillo's National Provider Identifier (NPI) is 1851931141, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Samuel Castillo's specialty?
- Samuel Castillo is listed in the NPPES registry with a primary specialty of Community Health Worker (Other Service Providers).
- Where is Samuel Castillo located?
- Samuel Castillo's practice location on file with NPPES is 368 Fell St, San Francisco, CA 94102-5144.
- What is Samuel Castillo's phone number?
- The practice phone number listed in the NPPES registry for Samuel Castillo is (415) 861-0828.
- Is Samuel Castillo's NPI active?
- Yes — Samuel Castillo's NPI (1851931141) 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.