NPPES file of Aug 9, 2026

Katherine Alpha Ellen Vierra, CCC-SLP

Speech-Language Pathologist · Edwardsville, IL

Katherine Alpha Ellen Vierra, CCC-SLP is a speech-language pathologist with a practice address in Edwardsville, Illinois, and NPI 1093688202, issued on Sep 24, 2025. Check the license (Illinois 146.028720, as entered in NPPES) with the Illinois board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1093688202
Name
Katherine Alpha Ellen Vierra
Credential
CCC-SLP
Primary taxonomy
Speech-Language Pathologist 235Z00000X
License number
146.028720 IL
Self-reported in NPPES; status is on the state search
Practice location
2122 Troy RD Ste 120, Edwardsville, IL 62025
Phone
(618) 800-4620
Enumerated
Sep 24, 2025
Record last updated
Jan 19, 2026
Medicare enrollment
Enrolled (PECOS I20260128001771); 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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8 nearest speech-language pathologist records → All 10,224 in Illinois → Look up another NPI →

Also registered at 2122 Troy RD Ste 120

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

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Verify Katherine Alpha Ellen Vierra in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 146.028720    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 Illinois license search

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Katherine Alpha Ellen Vierra among 10,224 speech-language pathologist records in Illinois

Katherine Alpha Ellen Vierra, CCC-SLP is one of 10,224 speech-language pathologist records with a practice address in Illinois. 3% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2025, is newer than 92% of them.

  • NPI issued2025 · 92% of these records are older, 2% newer
  • In a Medicare fileNo · 3% of these records are
  • In the CMS Doctors and Clinicians fileYes · 4% of these records are
  • Graduated2024 · median 2015 among the 406 with a school on file
  • Record last updated2026 · 67% 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 Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

41 speech-language pathologist records list a practice address in Edwardsville

They are 41 of the 706 NPPES records with a practice address in Edwardsville, and 10,224 speech-language pathologist records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 10,224 in Illinois → Every provider in Edwardsville → Speech-Language Pathologist nationwide →

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

  1. Kellie Allen, MS,CCC-SLPEdwardsville, IL 620251134246473
  2. Lesley Auten, MS/CCC-SLPEdwardsville, IL 620251346597028
  3. Dayna Berry, MS CCC-SLPEdwardsville, IL 620251871888651
  4. Jamie Cooper, MA CCC-SLPEdwardsville, IL 620251912193731
  5. Terry Davey, CCC-SLPEdwardsville, IL 620251417137092
  6. Diane FourdyceEdwardsville, IL 620251841217692
  7. Tricia Garber, SLPEdwardsville, IL 620251679753883
  8. Debra Jackson, MS-CCC/SLPEdwardsville, IL 620251245282904

Common questions

What is Katherine Alpha Ellen Vierra, CCC-SLP's NPI number?

Katherine Alpha Ellen Vierra, CCC-SLP's National Provider Identifier (NPI) is 1093688202, issued on Sep 24, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Alpha Ellen Vierra, CCC-SLP located?

The NPPES record lists a practice address at 2122 Troy RD Ste 120, Edwardsville, IL, 62025. Phone: (618) 800-4620. Providers update this record themselves, so call before visiting.

How can I verify Katherine Alpha Ellen Vierra, CCC-SLP's license?

NPPES lists Illinois license number 146.028720, as entered by the provider. Search the Illinois 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. 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.