KATHERINE ANNE JOHNSON M.S., CCC-SLP
NPI 1205477825
Speech-Language Pathologist in Chesterfield, MO

Active since October 04, 2019
224 S WOODS MILL RD STE 640S, CHESTERFIELD, MO 63017(314) 970-6335(314) 268-4028 Get Directions Write a Review

NPPES record last updated: April 16, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Katherine Anne Johnson M.s., Ccc-slp NPPES

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

KATHERINE ANNE JOHNSON M.S., CCC-SLP (NPI 1205477825) is an individual speech-language pathologist provider in Chesterfield, Missouri, licensed in Missouri (2019023595) and active in the NPI registry since October 2019. She maintains a secondary practice location in Saint Louis.

NPPES Registry Identity

NPI1205477825
Entity TypeIndividualFemale
Primary Taxonomy235Z00000X
Provider Legal NameKATHERINE ANNE JOHNSONCredential: M.S., CCC-SLP
Location Address224 S WOODS MILL RD STE 640SChesterfield, MO 63017-3617
Mailing Address224 S Woods Mill Rd Ste 640sChesterfield, MO 63017-3617 · (314) 970-6335 · Fax (314) 268-4028
Fax(314) 268-4028
Sole ProprietorNo
Enumeration DateOctober 4, 2019
Last NPPES UpdateApril 16, 2025
NPPES CertifiedApril 16, 2025
✔ NPI 1205477825 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 MO · 2019023595
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.
224 S WOODS MILL RD STE 640S, Chesterfield, MO 63017

Secondary Practice Location 1

Location 13800 Park Ave Fl 2Saint Louis, MO 63110-2514 · Phone (314) 577-5609

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Katherine Anne Johnson M.s., Ccc-slp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

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

Pediatrics
2927 S . KINGS HIGHWAY BLVD
Saint Louis, MO 63139
  • Reassigned Medicare billing, Missouri enrollment
  • Medicare enrollment name: Ssm Cardinal Glennon Children's Hospital
  • 414 clinicians in this Medicare group

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 2

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

Speech-Language Pathologist
224 S WOODS MILL RD STE 640S
CHESTERFIELD, MO 63017
Occupational Therapist
224 S WOODS MILL RD STE 640S
CHESTERFIELD, MO 63017

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 Johnson's NPI number?

The NPI number for Katherine Johnson is 1205477825. It was assigned to this individual provider in the NPPES registry on October 4, 2019.

Where is Katherine Johnson located?

Katherine Johnson practices at 224 S Woods Mill Rd Ste 640S, Chesterfield, MO 63017. The listed phone number is (314) 970-6335.

What is Katherine Johnson's specialty?

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

Is Katherine Johnson enrolled in Medicare?

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

Which organization bills Medicare for Katherine Johnson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Johnson reassigns Medicare benefits to Ssm Cardinal Glennon Childrens Hospital (Saint Louis, MO). 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 Johnson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Katherine Johnson accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan and Ambetter of Oklahoma and 2 other insurers list Katherine Johnson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Katherine Johnson was last updated on April 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.