Gregory Johnson, M.S., CCC-SLP
Speech-Language Pathologist · St Charles, IL
Gregory Johnson, M.S., CCC-SLP is a speech-language pathologist with a practice address in St Charles, Illinois, and NPI 1144532599, issued on Jul 13, 2010. Check the license (Illinois 242001585, 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.
- Name
- Gregory Johnson
- Credential
- M.S., CCC-SLP
- Primary taxonomy
- Speech-Language Pathologist 235Z00000X
- License number
- 242001585 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1705 Huntington RD, St Charles, IL 60174
- Phone
- (224) 715-5561
- Enumerated
- Jul 13, 2010
- Record last updated
- Aug 18, 2023
- Entity
- Type 1 · individual
8 nearest speech-language pathologist records → All 10,224 in Illinois → Look up another NPI →
Verify Gregory Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 242001585Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Gregory Johnson among 10,224 speech-language pathologist records in Illinois
Gregory Johnson, M.S., 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 2010, is newer than 23% of them.
- NPI issued2010 · 23% of these records are older, 73% newer
- In a Medicare fileNo · 3% of these records are
- In the CMS Doctors and Clinicians fileNo · 4% of these records are
- Record last updated2023 · 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).
84 speech-language pathologist records list a practice address in St Charles
They are 84 of the 1,113 NPPES records with a practice address in St Charles, 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 St Charles → Speech-Language Pathologist nationwide →
The 8 speech-language pathologist records with the nearest ZIP codes
- Susan Andersen, M.S., CF-SLPSt Charles, IL 601741447566856
- Emily Bicking, M.A.Saint Charles, IL 601741194974592
- Katherine DennySt Charles, IL 601741669670808
- Christine Drucker, CCC-SLPSt Charles, IL 601741770767576
- Wendy GetchiusSt Charles, IL 601741811126675
- Nadine Heraty, M.A.CCC-SLP/LSt Charles, IL 601741730499013
- Mary Howland, M.A.St Charles, IL 601741689948390
- Melanie Keane, SPTSt Charles, IL 601741205977279
Common questions
What is Gregory Johnson, M.S., CCC-SLP's NPI number?
Gregory Johnson, M.S., CCC-SLP's National Provider Identifier (NPI) is 1144532599, issued on Jul 13, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Johnson, M.S., CCC-SLP located?
The NPPES record lists a practice address at 1705 Huntington RD, St Charles, IL, 60174. Phone: (224) 715-5561. Providers update this record themselves, so call before visiting.
How can I verify Gregory Johnson, M.S., CCC-SLP's license?
NPPES lists Illinois license number 242001585, 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.
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.