Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Maria Elena Castro

Medical Physician Assistant in Inglewood, CA · enumerated 2019 · practices at Montes Medical Group Inc.

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

National Provider Identifier

1952944233

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Registry record

Entity type Individual (Type 1)

Name Maria Elena Castro

Sex Female

Practice address 832 S Grevillea Ave, Inglewood, CA, 90301

Phone (310) 419-4354

Enumeration date Oct 19, 2019

Last updated in NPPES Oct 19, 2019

Taxonomy & licenses

363AM0700X Medical Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 57320 (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

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 Maria Castro?

Maria Castro is registered in NPPES with the primary taxonomy of Medical Physician Assistant. 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 2019-10-19.