NPPES file of Aug 9, 2026

Heidi Wynell Johnson, CCC-SLP

Speech-Language Pathologist · Springfield, IL

Heidi Wynell Johnson, CCC-SLP is a speech-language pathologist with a practice address in Springfield, Illinois, and NPI 1710137609, issued on Sep 26, 2008. Check the license (Illinois 146007077, as entered in NPPES) with the Illinois 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
1710137609
Name
Heidi Wynell Johnson
Credential
CCC-SLP
Primary taxonomy
Speech-Language Pathologist 235Z00000X
License number
146007077 IL
Self-reported in NPPES; status is on the state search
Practice location
3020 S 6TH St, Springfield, IL 62703
Phone
(217) 528-7541
Enumerated
Sep 26, 2008
Record last updated
May 22, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(217) 789-2569
Medicare enrollment
Enrolled (PECOS I20141111000486); 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 10,224 in Illinois → Look up another NPI →

Also registered at 3020 S 6TH St

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

  1. Brittany Clayton, DPTPhysical Therapist1174834428
  2. Diane Dodd, PTAPhysical Therapy Assistant1174188346
  3. Kelsey Giannuzzi, DPTPhysical Therapist1700432887
  4. Terri Gustafson, P.T.Physical Therapist1841440575
  5. Ellen Haynes, OTROccupational Therapist1194195297
  6. Grace Iocca, PT, DPTPhysical Therapist1578441788

Verify Heidi Wynell Johnson 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 146007077    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

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. Siu Physicians And Surgeons IncSpringfield, IL

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

Heidi Wynell Johnson among 10,224 speech-language pathologist records in Illinois

Heidi Wynell Johnson, 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. Its NPI, issued in 2008, is newer than 16% of them.

  • NPI issued2008 · 16% of these records are older, 80% newer
  • In a Medicare fileYes · 3% of these records are
  • In the CMS Doctors and Clinicians fileYes · 4% of these records are
  • Graduated2001 · median 2015 among the 406 with a school on file
  • Record last updated2020 · 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).

96 speech-language pathologist records list a practice address in Springfield

They are 96 of the 4,997 NPPES records with a practice address in Springfield, and 10,224 speech-language pathologist records in Illinois.

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

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

  1. Jana Cornell, SPEECH PATHOLOGISTSpringfield, IL 627031871269738
  2. Melissa CorySpringfield, IL 627031528583416
  3. Stefanie Durr, M.S.-CCCSpringfield, IL 627031457779217
  4. Stephanie Fahey, M.S. CCC-SLPSpringfield, IL 627031376093740
  5. Nicole Farley, M.S., CCC-SLPSpringfield, IL 627031558898726
  6. Kathryn Judy, MSSpringfield, IL 627031750158176
  7. Breanna KurkSpringfield, IL 627031023892734
  8. Savannah Little, M.S. CF-SLPSpringfield, IL 627031447771340

Common questions

What is Heidi Wynell Johnson, CCC-SLP's NPI number?

Heidi Wynell Johnson, CCC-SLP's National Provider Identifier (NPI) is 1710137609, issued on Sep 26, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Heidi Wynell Johnson, CCC-SLP located?

The NPPES record lists a practice address at 3020 S 6TH St, Springfield, IL, 62703. Phone: (217) 528-7541. Providers update this record themselves, so call before visiting.

How can I verify Heidi Wynell Johnson, CCC-SLP's license?

NPPES lists Illinois license number 146007077, 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. 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.