Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Catherine Elizabeth Ernst, MS/CCC-SLP

Speech-Language Pathologist in Beaver Dam, WI · enumerated 2006.

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

National Provider Identifier

1952326852

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Registry record

Entity type Individual (Type 1)

Name Mrs. Catherine Elizabeth Ernst

Credential MS/CCC-SLP

Sex Female

Practice address 1223 Madison St, Beaver Dam, WI, 53916

Phone (920) 885-4750

Fax (920) 885-3839

Enumeration date Jul 12, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

235Z00000X Speech-Language Pathologist Speech, Language and Hearing Service Providers · License 2629154 (WI) 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 Catherine Ernst?

The National Provider Identifier (NPI) for Catherine Ernst is 1952326852, a Type 1 (individual) record in the CMS NPPES registry.

Where does Catherine Ernst practice?

The practice location on file with NPPES is in Beaver Dam, WI. 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.