Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Alvin Vallejo, R.N. P.H.N

Registered Nurse in San Francisco, CA · enumerated 2020.

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

National Provider Identifier

1043849318

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Registry record

Entity type Individual (Type 1)

Name Alvin Vallejo

Credential R.N. P.H.N

Sex Male

Practice address 30 Van Ness, Suite 2300, San Francisco, CA, 94102

Phone (415) 581-2411

Fax (415) 581-2490

Enumeration date Apr 7, 2020

Last updated in NPPES Apr 7, 2020

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License 851593 (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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Alvin Vallejo?

The National Provider Identifier (NPI) for Alvin Vallejo is 1043849318, a Type 1 (individual) record in the CMS NPPES registry.

Where does Alvin Vallejo practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-04-07.