Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Carolyn B Brennan, AUD

Audiologist in Sarasota, FL · enumerated 2018.

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

National Provider Identifier

1518446921

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Registry record

Entity type Individual (Type 1)

Name Carolyn B Brennan

Credential AUD

Sex Female

Practice address 1901 Floyd St, Sarasota, FL, 34239

Phone (941) 366-9222

Fax (941) 365-2269

Enumeration date Aug 8, 2018

Last updated in NPPES Dec 11, 2020

Taxonomy & licenses

231H00000X Audiologist Speech, Language and Hearing Service Providers · License AY2204 (FL) Primary

AUD · Doctor of Audiology: A licensed audiologist diagnosing and treating hearing and balance disorders. About the AUD credential

Other identifiers

Identifier	Type	State	Issuer
AY2204	Other	FL	STATE LICENSE

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

Where does Carolyn Brennan practice?

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

What is the NPI number for Carolyn Brennan?

The National Provider Identifier (NPI) for Carolyn Brennan is 1518446921, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-12-11.