NPPES file of Aug 9, 2026

Katherine Vlach

Speech-Language Pathologist · Greenville, SC

Katherine Vlach is a speech-language pathologist with a practice address in Greenville, South Carolina, and NPI 1922853829, issued on Apr 23, 2024. Check the license (South Carolina 8554, 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
1922853829
Name
Katherine Vlach
Primary taxonomy
Speech-Language Pathologist 235Z00000X
License number
8554 SC
Self-reported in NPPES; status is on the state search
Practice location
200 Patewood Dr Ste B400, Greenville, SC 29615
Phone
(864) 454-4368
Enumerated
Apr 23, 2024
Record last updated
Aug 8, 2024
Fax
(864) 241-9232
Medicare enrollment
Enrolled (PECOS I20240822000426); accepts 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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8 nearest speech-language pathologist records → All 3,161 in South Carolina → Look up another NPI →

Also registered at 200 Patewood Dr Ste B400

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Wesley Abadie, M.D.Otolaryngology Physician1205810140
  2. Leanne Alewine, M.A., CCC-SLPSpeech-Language Pathologist1235191669
  3. Nathan Alexander, M.D.Pediatric Otolaryngology Physician1902009996
  4. Gianna Allard, SLPSpeech-Language Pathologist1467206854
  5. Katelin BealsPhysician Assistant1295481430
  6. Michael Beasley, MDOtolaryngology Physician1306889035

Verify Katherine Vlach 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 8554    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Prisma Health University Medical GroupGreenville, SC

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

Katherine Vlach among 3,161 speech-language pathologist records in South Carolina

Katherine Vlach 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 2024, is newer than 89% of them.

  • NPI issued2024 · 89% of these records are older, 7% newer
  • In a Medicare fileYes · 4% of these records are
  • In the CMS Doctors and Clinicians fileYes · 5% of these records are
  • Graduated2023 · median 2015 among the 161 with a school on file
  • Record last updated2024 · 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).

343 speech-language pathologist records list a practice address in Greenville

They are 343 of the 10,264 NPPES records with a practice address in Greenville, and 3,161 speech-language pathologist records in South Carolina.

All 3,161 in South Carolina → Every provider in Greenville → Speech-Language Pathologist nationwide →

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

  1. Leanne Alewine, M.A., CCC-SLPGreenville, SC 296151235191669
  2. Anna BrownGreenville, SC 296151396027678
  3. April Campbell, MA,CCC/SLPGreenville, SC 296151376870691
  4. Shondre Clemons, MA,CCC-SLPGreenville, SC 296151932319688
  5. Hayley Cole, MSP, CCC-SLPGreenville, SC 296151851614994
  6. Lauren Hunnicutt, CCC-SLPGreenville, SC 296151760700561
  7. Whitney Mammarella, M.A., CCC-SLPGreenville, SC 296151346504214
  8. Brenda NixonGreenville, SC 296151366608598

Common questions

What is Katherine Vlach's NPI number?

Katherine Vlach's National Provider Identifier (NPI) is 1922853829, issued on Apr 23, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Vlach located?

The NPPES record lists a practice address at 200 Patewood Dr Ste B400, Greenville, SC, 29615. Phone: (864) 454-4368. Providers update this record themselves, so call before visiting.

How can I verify Katherine Vlach's license?

NPPES lists South Carolina license number 8554, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.