Katie Barett Duffney, MA, CCC-SLP
Speech-Language Pathologist · Aberdeen, SD
Katie Barett Duffney, MA, CCC-SLP is a speech-language pathologist with a practice address in Aberdeen, South Dakota, and NPI 1487421855, issued on Dec 6, 2023. Check the license (South Dakota 557-SLP, as entered in NPPES) with the South Dakota board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katie Barett Duffney
- Credential
- MA, CCC-SLP
- Primary taxonomy
- Speech-Language Pathologist 235Z00000X
- License number
- 557-SLP SD
Self-reported in NPPES; status is on the state search - Practice location
- 805 1St Ave SE, Aberdeen, SD 57401
- Phone
- (605) 622-5878
- Enumerated
- Dec 6, 2023
- Record last updated
- Dec 6, 2023
- Medicare enrollment
- Enrolled (PECOS I20240220002614); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest speech-language pathologist records → All 613 in South Dakota → Look up another NPI →
Also registered at 805 1St Ave SE
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kiana SpellmanOccupational Therapy Assistant1952147845
- Christa Weber, OTOccupational Therapist1245636406
Verify Katie Barett Duffney in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich South Dakota board licenses this profession
Search for license 557-SLPCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
One hospital affiliation
- Avera St LukesAberdeen, SD · Acute Care Hospitals4 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Katie Barett Duffney among 613 speech-language pathologist records in South Dakota
Katie Barett Duffney, MA, CCC-SLP is one of 613 speech-language pathologist records with a practice address in South Dakota. 3% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 86% of them.
- NPI issued2023 · 86% of these records are older, 9% newer
- In a Medicare fileYes · 3% of these records are
- In the CMS Doctors and Clinicians fileYes · 4% of these records are
- Graduated2009 · median 2010 among the 26 with a school on file
- Record last updated2023 · 74% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 235Z00000X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
30 speech-language pathologist records list a practice address in Aberdeen
They are 30 of the 758 NPPES records with a practice address in Aberdeen, and 613 speech-language pathologist records in South Dakota.
All 613 in South Dakota → Every provider in Aberdeen → Speech-Language Pathologist nationwide →
The 8 speech-language pathologist records with the nearest ZIP codes
- Kristen Arnoldy, CCC-SLPAberdeen, SD 574011467860981
- Lea Bender, MS CCCAberdeen, SD 574011497915656
- Vicki Bent, SLPAberdeen, SD 574011063792844
- Anne Falken, SLPAberdeen, SD 574011063664829
- Amy Fedoruk, SLPAberdeen, SD 574011679725436
- Angie Hanson, M.A. CCC-SLPAberdeen, SD 574011558521781
- Christina Heiberger, M.S., CCC-SLPAberdeen, SD 574011881036788
- Tiffany Hoeft, M.S./CCC-SLPAberdeen, SD 574011558554626
Common questions
What is Katie Barett Duffney, MA, CCC-SLP's NPI number?
Katie Barett Duffney, MA, CCC-SLP's National Provider Identifier (NPI) is 1487421855, issued on Dec 6, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Katie Barett Duffney, MA, CCC-SLP located?
The NPPES record lists a practice address at 805 1St Ave SE, Aberdeen, SD, 57401. Phone: (605) 622-5878. Providers update this record themselves, so call before visiting.
How can I verify Katie Barett Duffney, MA, CCC-SLP's license?
NPPES lists South Dakota license number 557-SLP, as entered by the provider. Search the South Dakota board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.