Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Reannon Castro

Behavior Technician in Chandler, AZ · enumerated 2019.

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

National Provider Identifier

1104473305

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Registry record

Entity type Individual (Type 1)

Name Reannon Castro

Sex Female

Practice address 1600 W Chandler Blvd Ste 180, Chandler, AZ, 85224

Phone (602) 613-1090

Enumeration date Aug 22, 2019

Last updated in NPPES May 18, 2026

Taxonomy & licenses

106S00000X Behavior Technician Behavioral Health & Social 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

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

What specialty is Reannon Castro?

Reannon Castro is registered in NPPES with the primary taxonomy of Behavior Technician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-05-18.