NPI Portal NPI Lookup & Verification

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

Juan Castillo

Contractor in Reno, NV · enumerated 2016.

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

National Provider Identifier

1699221846

Verified

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Registry record

Entity type Individual (Type 1)
Name Juan Castillo
Sex Male
Practice address Reno, NV, 89512
Enumeration date Aug 28, 2016
Last updated in NPPES Aug 28, 2016

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

Taxonomy & licenses

171W00000X Contractor Other Service Providers 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 Juan Castillo?
The National Provider Identifier (NPI) for Juan Castillo is 1699221846, a Type 1 (individual) record in the CMS NPPES registry.
Where does Juan Castillo practice?
The practice location on file with NPPES is in Reno, NV. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-08-28.