Provider Profile
Efren Castro
Unclaimed ProfileAbout Efren Castro
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Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Contact Information
- (909) 206-4830
- Email not available
Practice Locations
330 N D ST STE 429
San Bernardino, CA 92401
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other community health workers at this location 8
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Common questions
What does Efren Castro specialize in?
Efren Castro is a community health worker in San Bernardino, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Efren Castro located?
Efren Castro is listed at 330 N D St Ste 429, San Bernardino, CA 92401. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Efren Castro's phone number?
The number on file is (909) 206-4830. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Efren Castro's NPI number?
Efren Castro's National Provider Identifier is 1427824606. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
How long has Efren Castro been practicing?
Efren Castro has 3+ years experience. Registered with an NPI since 2023. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Has Efren Castro confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Efren Castro. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.