Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Arzelia Lopez

Registered Nurse in San Leandro, CA · enumerated 2014.

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

National Provider Identifier

1699181453

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Registry record

Entity type Individual (Type 1)

Name Arzelia Lopez

Sex Female

Practice address 1100 San Leandro Blvd, San Leandro, CA, 94577

Phone (510) 667-4312

Enumeration date Jul 1, 2014

Last updated in NPPES Jul 1, 2014

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License 769026 (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

Where does Arzelia Lopez practice?

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

What is the NPI number for Arzelia Lopez?

The National Provider Identifier (NPI) for Arzelia Lopez is 1699181453, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-07-01.