Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Matthew Rivera Mayo

Q: What is the NPI number for Matthew Mayo?

The National Provider Identifier (NPI) for Matthew Mayo is 1497474324, a Type 1 (individual) record in the CMS NPPES registry.

Emergency Registered Nurse in San Bruno, CA · enumerated 2022.

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

National Provider Identifier

1497474324

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Registry record

Entity type Individual (Type 1)

Name Matthew Rivera Mayo

Sex Male

Practice address San Bruno, CA, 94066

Phone (650) 952-7778

Enumeration date Aug 24, 2022

Last updated in NPPES Aug 24, 2022

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

163WE0003X Emergency Registered Nurse Nursing Service Providers · License 95241913 (CA) Primary

Other identifiers

Identifier	Type	State	Issuer
Y6259323	Other	CA	DMV

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 Matthew Mayo?

The National Provider Identifier (NPI) for Matthew Mayo is 1497474324, a Type 1 (individual) record in the CMS NPPES registry.

Where does Matthew Mayo practice?

The practice location on file with NPPES is in San Bruno, 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 2022-08-24.