Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Gwendolyn Bellezza, M.A., CCC-SLP

Speech-Language Pathologist in San Clemente, CA · enumerated 2014.

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

National Provider Identifier

1043631336

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Registry record

Entity type Individual (Type 1)

Name Mrs. Gwendolyn Bellezza

Credential M.A., CCC-SLP

Sex Female

Practice address 1120 Via Callejon, Suite B, San Clemente, CA, 92673

Phone (949) 498-5100

Enumeration date Jan 3, 2014

Last updated in NPPES Jan 3, 2014

Taxonomy & licenses

235Z00000X Speech-Language Pathologist Speech, Language and Hearing Service Providers · License SP21508 (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

What is the NPI number for Gwendolyn Bellezza?

The National Provider Identifier (NPI) for Gwendolyn Bellezza is 1043631336, a Type 1 (individual) record in the CMS NPPES registry.

Where does Gwendolyn Bellezza practice?

The practice location on file with NPPES is in San Clemente, 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 2014-01-03.