Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Carla Hibet Castillo

Clinical Social Worker in Rancho Cucamonga, CA · enumerated 2017 · practices at West End Family Counseling Service.

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

National Provider Identifier

1548787542

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Registry record

Entity type Individual (Type 1)

Name Carla Hibet Castillo

Sex Female

Practice address 9445 Fairway View Pl Ste 100, Rancho Cucamonga, CA, 91730

Phone (909) 983-2020

Enumeration date Aug 29, 2017

Last updated in NPPES Aug 19, 2021

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 102949 (CA) 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 specialty is Carla Castillo?

Carla Castillo is registered in NPPES with the primary taxonomy of Clinical Social Worker. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-08-19.