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MRS. KATHERINE ALPHA ELLEN VIERRA CCC-SLP
NPI 1093688202
Speech-Language Pathologist in Edwardsville, IL

Active since September 24, 2025
2122 TROY RD STE 120, EDWARDSVILLE, IL 62025(618) 800-4620 Get Directions Write a Review

NPPES record last updated: January 19, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mrs. Katherine Alpha Ellen Vierra Ccc-slp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MRS. KATHERINE ALPHA ELLEN VIERRA CCC-SLP (NPI 1093688202) is an individual speech-language pathologist provider in Edwardsville, Illinois, licensed in Illinois (146.028720) and active in the NPI registry since September 2025. She is a graduate of Other (2024).

NPPES Registry Identity

NPI1093688202
Entity TypeIndividualFemale
Primary Taxonomy235Z00000X
Provider Legal NameMRS. KATHERINE ALPHA ELLEN VIERRACredential: CCC-SLP
Location Address2122 TROY RD STE 120Edwardsville, IL 62025-2540
Mailing Address2122 Troy Rd Ste 120Edwardsville, IL 62025-2540 · (618) 800-4620
Phone(618) 800-4620
Sole ProprietorNo
Medical School CMSOtherGraduated 2024
Enumeration DateSeptember 24, 2025
Last NPPES UpdateJanuary 19, 2026
NPPES CertifiedJanuary 19, 2026
✔ NPI 1093688202 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpeech-Language PathologistSpeech, Language and Hearing Service Providers
Taxonomy Code235Z00000X
License✔ Licensed in IL · 146.028720
Definition
The speech-language pathologist is the professional who engages in clinical services, prevention, advocacy, education, administration, and research in the areas of communication and swallowing across the life span from infancy through geriatrics. Speech-language pathologists address typical and atypical impairments and disorders related to communication and swallowing in the areas of speech sound production, resonance, voice, fluency, language (comprehension and expression), cognition, and feeding and swallowing.
2122 TROY RD STE 120, Edwardsville, IL 62025
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Katherine Alpha Ellen Vierra Ccc-slp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID5698253029
PECOS Enrollment IDI20260128001771

Medicare Billing Reassignment

Medicare enrollment records show Katherine Vierra reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Childrens Illinois Inc
0.3 mi
Multi-Specialty
2122 TROY RD STE 120
Edwardsville, IL 62025
  • Reassigned Medicare billing, Illinois enrollment
  • 13 clinicians in this Medicare group
NPI 1073283198 (618) 800-4620

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 15

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CHILDRENS ILLINOIS INC
Clinic/Center (Multi-Specialty)
2122 TROY RD STE 120
EDWARDSVILLE, IL 62025
Madison County (618) 800-4620
COLLEEN M CHAPMAN DPT
Physical Therapist (Orthopedic)
2122 TROY RD STE 120
EDWARDSVILLE, IL 62025
Madison County (618) 800-4620
ANDREA MARIE MOHR
Speech-Language Pathologist
2122 TROY RD STE 120
EDWARDSVILLE, IL 62025
Madison County (618) 800-4620
LAUREN COBB DPT
Physical Therapist (Pediatrics)
2122 TROY RD STE 120
EDWARDSVILLE, IL 62025
Madison County (618) 800-4620
MADELEINE MCQUALITY PT, DPT
Physical Therapist (Pediatrics)
2122 TROY RD STE 120
EDWARDSVILLE, IL 62025
Madison County (618) 800-4620
AIMEE N SAVOIE DPT
Physical Therapist
2122 TROY RD STE 120
EDWARDSVILLE, IL 62025
Madison County (618) 800-4620
JENNIFER A HITT MS, CCC-SLP
Speech-Language Pathologist
2122 TROY RD STE 120
EDWARDSVILLE, IL 62025
Madison County (618) 800-4620
GABRIELLE ANNE GRIFFIN DPT
Physical Therapist
2122 TROY RD STE 120
EDWARDSVILLE, IL 62025
Madison County (612) 880-0462

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Katherine Vierra's NPI number?

The NPI number for Katherine Vierra is 1093688202. It was assigned to this individual provider in the NPPES registry on September 24, 2025.

Where is Katherine Vierra located?

Katherine Vierra practices at 2122 Troy Rd Ste 120, Edwardsville, IL 62025. The listed phone number is (618) 800-4620.

What is Katherine Vierra's specialty?

The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.

Is Katherine Vierra enrolled in Medicare?

Yes. Katherine Vierra is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Katherine Vierra's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Vierra reassigns Medicare benefits to Childrens Illinois Inc (Edwardsville, IL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Katherine Vierra's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Katherine Vierra was last updated on January 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.