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Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Santo Maria Castillo

Transportation Network Company in Bronx, NY · enumerated 2026.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1235089780

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Registry record

Entity type Individual (Type 1)
Name Santo Maria Castillo
Sex Male
Practice address Bronx, NY, 10453
Enumeration date Feb 2, 2026
Last updated in NPPES Feb 2, 2026

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

342000000X Transportation Network Company Transportation Services · License B03718 (NY) Primary

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

What is the NPI number for Santo Castillo?
The National Provider Identifier (NPI) for Santo Castillo is 1235089780, a Type 1 (individual) record in the CMS NPPES registry.
Where does Santo Castillo practice?
The practice location on file with NPPES is in Bronx, NY. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-02-02.