Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Melinda Gaynor, RN, AG-CNS

Gerontology Clinical Nurse Specialist in Santa Clara, CA · enumerated 2017.

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

National Provider Identifier

1255870630

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Registry record

Entity type Individual (Type 1)

Name Melinda Gaynor

Credential RN, AG-CNS

Sex Female

Practice address 700 Lawrence Expy, Santa Clara, CA, 95051

Phone (408) 851-1000

Enumeration date Feb 17, 2017

Last updated in NPPES Feb 17, 2017

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License 754623 (CA) Secondary

364SG0600X Gerontology Clinical Nurse Specialist Physician Assistants & Advanced Practice Nursing Providers · License 4390 (CA) Primary

RN · Registered Nurse: A nurse who completed an accredited nursing program and passed the NCLEX-RN licensure exam. About the RN 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

What is the NPI number for Melinda Gaynor?

The National Provider Identifier (NPI) for Melinda Gaynor is 1255870630, a Type 1 (individual) record in the CMS NPPES registry.

Where does Melinda Gaynor practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-02-17.