NPPES file of Aug 9, 2026

Tanya L. Yost-Duncan, SLP

Speech-Language Pathologist · Rock Hill, SC

Tanya L. Yost-Duncan, SLP is a speech-language pathologist with a practice address in Rock Hill, South Carolina, and NPI 1174710610, issued on Sep 28, 2007. Check the license (South Carolina 2386, as entered in NPPES) with the South Carolina board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1174710610
Name
Tanya L. Yost-Duncan
Credential
SLP
Primary taxonomy
Speech-Language Pathologist 235Z00000X
License number
2386 SC
Self-reported in NPPES; status is on the state search
Practice location
556 Jedburgh Way, Rock Hill, SC 29730
Phone
(803) 980-5400
Enumerated
Sep 28, 2007
Record last updated
Jul 5, 2011 (not updated in 15 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20181001002193); may accept Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Tanya L. Yost-Duncan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich South Carolina board licenses this profession
    Search for license 2386
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the South Carolina license search

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Bills Medicare through one group practice

  1. Revo Rehab, IncRock Hill, SC

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Tanya L. Yost-Duncan among 3,161 speech-language pathologist records in South Carolina

Tanya L. Yost-Duncan, SLP is one of 3,161 speech-language pathologist records with a practice address in South Carolina. 4% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 8% of them.

  • NPI issued2007 · 8% of these records are older, 84% newer
  • In a Medicare fileYes · 4% of these records are
  • In the CMS Doctors and Clinicians fileYes · 5% of these records are
  • Graduated1996 · median 2015 among the 161 with a school on file
  • Record last updated2011 · 65% 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 Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

64 speech-language pathologist records list a practice address in Rock Hill

They are 64 of the 2,271 NPPES records with a practice address in Rock Hill, and 3,161 speech-language pathologist records in South Carolina.

The 8 speech-language pathologist records with the nearest ZIP codes

  1. Cecelia Jeffries, PH.D.Rock Hill, SC 297301447414115
  2. Carol Johnstone, CCC/SLPRock Hill, SC 297301346674181
  3. Marie Kelly, MCD CCC-SLPRock Hill, SC 297301750715181
  4. Amy Koterba, MCD CCC-SLPRock Hill, SC 297301235577479
  5. Dawn La ClairRock Hill, SC 297301326359381
  6. Kate Macgregor, SLPRock Hill, SC 297301871578179
  7. Lee MurphyRock Hill, SC 297301386077253
  8. Lynn Poe, BA, MEDRock Hill, SC 297301659704534

Common questions

What is Tanya L. Yost-Duncan, SLP's NPI number?

Tanya L. Yost-Duncan, SLP's National Provider Identifier (NPI) is 1174710610, issued on Sep 28, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Tanya L. Yost-Duncan, SLP located?

The NPPES record lists a practice address at 556 Jedburgh Way, Rock Hill, SC, 29730. Phone: (803) 980-5400. Providers update this record themselves, so call before visiting.

How can I verify Tanya L. Yost-Duncan, SLP's license?

NPPES lists South Carolina license number 2386, as entered by the provider. Search the South Carolina 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.