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Katie Barett Duffney, MA, CCC-SLP

Speech-Language Pathologist in Aberdeen, SD · enumerated 2023 · practices at Avera St Luke'S.

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

National Provider Identifier

1487421855

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Registry record

Entity type Individual (Type 1)
Name Katie Barett Duffney
Credential MA, CCC-SLP
Sex Female
Practice address 805 1st Ave Se, Aberdeen, SD, 57401
Phone (605) 622-5878
Enumeration date Dec 6, 2023
Last updated in NPPES Dec 6, 2023

Taxonomy & licenses

235Z00000X Speech-Language Pathologist Speech, Language and Hearing Service Providers · License 557-SLP (SD) 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

Where does Katie Duffney practice?
The practice location on file with NPPES is in Aberdeen, SD. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Katie Duffney?
The National Provider Identifier (NPI) for Katie Duffney is 1487421855, 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 2023-12-06.