Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Karen Willson, CCC-A

Audiologist in Lexington, MA · enumerated 2006.

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

National Provider Identifier

1508832270

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Registry record

Entity type Individual (Type 1)

Name Karen Willson

Credential CCC-A

Sex Female

Practice address 482 Bedford St, Lexington, MA, 02420

Phone (781) 672-2128

Fax (781) 672-2145

Enumeration date Feb 23, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

231H00000X Audiologist Speech, Language and Hearing Service Providers · License 233 (MA) 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 Karen Willson?

The National Provider Identifier (NPI) for Karen Willson is 1508832270, a Type 1 (individual) record in the CMS NPPES registry.

Where does Karen Willson practice?

The practice location on file with NPPES is in Lexington, MA. 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 2007-07-08.