Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Paulina Isabel Castro

School Counselor in Santa Monica, CA · enumerated 2017 · practices at Clare Matrix.

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

National Provider Identifier

1881105310

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Registry record

Entity type Individual (Type 1)

Name Paulina Isabel Castro

Sex Female

Practice address 1002 Pico Blvd, Santa Monica, CA, 90405

Phone (310) 314-6200

Enumeration date Oct 24, 2017

Last updated in NPPES Oct 24, 2017

Taxonomy & licenses

101YS0200X School Counselor 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

How do I verify Paulina Castro's NPI record?

Cross-check NPI 1881105310 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1881105310 active?

Yes, as of the latest NPPES snapshot, NPI 1881105310 is active (record last updated 2017-10-24).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-10-24.