Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Samantha Castro, FNP

Family Nurse Practitioner in Calexico, CA · enumerated 2022 · practices at El Centro Regional Medical Center.

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

National Provider Identifier

1295476927

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Registry record

Entity type Individual (Type 1)

Name Mrs. Samantha Castro

Credential FNP

Sex Female

Practice address 495 E Birch St Ste A, Calexico, CA, 92231

Phone (760) 482-5000

Fax (760) 337-9199

Enumeration date Apr 5, 2022

Last updated in NPPES Apr 14, 2022

Taxonomy & licenses

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 95019452 (CA) Primary

FNP · Family Nurse Practitioner: A nurse practitioner certified in family practice across the lifespan. About the FNP credential

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.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Samantha Castro practice?

The practice location on file with NPPES is in Calexico, CA. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Samantha Castro?

The National Provider Identifier (NPI) for Samantha Castro is 1295476927, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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El Centro Regional Medical Center Rural Health Clinic/Center · Calexico, CA NPI 1598840258 Claudia Gonzalez Medical Physician Assistant · Calexico, CA NPI 1528382066

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-04-14.