Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Gregory Alan Fitzgibbons, MA CCC-A

Audiologist in Walnut Creek, CA · enumerated 2007.

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

National Provider Identifier

1538282595

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Registry record

Entity type Individual (Type 1)

Name Mr. Gregory Alan Fitzgibbons

Credential MA CCC-A

Sex Male

Practice address 1776 Ygnacio Valley Rd, Suite 110, Walnut Creek, CA, 94598

Phone (925) 933-2699

Enumeration date Apr 6, 2007

Last updated in NPPES Jul 28, 2020

Taxonomy & licenses

231H00000X Audiologist Speech, Language and Hearing Service Providers · License AU1737 (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

Is NPI 1538282595 active?

Yes, as of the latest NPPES snapshot, NPI 1538282595 is active (record last updated 2020-07-28).

How do I verify Gregory Fitzgibbons's NPI record?

Cross-check NPI 1538282595 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-07-28.