NPPES file of Aug 9, 2026

Grace McIlwain, M.S. CF-SLP

Speech-Language Pathologist · Chicago, IL

Grace McIlwain, M.S. CF-SLP is a speech-language pathologist with a practice address in Chicago, Illinois, and NPI 1487334686, issued on Jul 21, 2023. Check the license (Illinois 424007317, 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
1487334686
Name
Grace McIlwain
Credential
M.S. CF-SLP
Primary taxonomy
Speech-Language Pathologist 235Z00000X
License number
424007317 IL
Self-reported in NPPES; status is on the state search
Practice location
820 S Damen Ave, Chicago, IL 60612
Phone
(312) 569-6547
Enumerated
Jul 21, 2023
Record last updated
Jul 21, 2023
Medicare enrollment
Enrolled (PECOS I20250317000361); accepts Medicare assignment
Medical or professional school
Rush Medical College Of Rush University, 2023
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 820 S Damen Ave

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

  1. Maducolil Abraham, LCSW, ACSWClinical Social Worker1942403290
  2. Sindhu Abraham, PHARM.D.Pharmacist1578679247
  3. Dianne Patricia AdayaPharmacist1073454609
  4. Craig AddisonRegistered Nurse1568856219
  5. Ariane AidedjiPharmacist1467371393
  6. Mila Albert, PHARM.DPharmacist1972582179

Verify Grace McIlwain 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 424007317    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. Illinois Speech Therapy, PLLCChicago, IL

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

Grace McIlwain among 10,224 speech-language pathologist records in Illinois

Grace McIlwain, M.S. CF-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 2023, is newer than 83% of them.

  • NPI issued2023 · 83% of these records are older, 12% newer
  • In a Medicare fileYes · 3% of these records are
  • In the CMS Doctors and Clinicians fileYes · 4% of these records are
  • Graduated2023 · median 2015 among the 406 with a school on file
  • 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).

1,753 speech-language pathologist records list a practice address in Chicago

They are 1,753 of the 63,379 NPPES records with a practice address in Chicago, and 10,224 speech-language pathologist records in Illinois.

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

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

  1. Mary Bacon, M.A., CCC-SLPChicago, IL 606121295829901
  2. Georgann Coleman, MS CCCSLPChicago, IL 606121225186455
  3. Maha Engesser, M.SChicago, IL 606121689726689
  4. Molly Gummerson, MS CCC-SLPChicago, IL 606121215944681
  5. Kristi Hoff, M.S., CCC-SLPChicago, IL 606121609937580
  6. Gail Kempster, PH.D., CCC-SLPChicago, IL 606121841340346
  7. Carrie McBreen, M.S. CCC-SLPChicago, IL 606121730114281
  8. Richard Peach, PH.D.Chicago, IL 606121053459982

Common questions

What is Grace McIlwain, M.S. CF-SLP's NPI number?

Grace McIlwain, M.S. CF-SLP's National Provider Identifier (NPI) is 1487334686, issued on Jul 21, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Grace McIlwain, M.S. CF-SLP located?

The NPPES record lists a practice address at 820 S Damen Ave, Chicago, IL, 60612. Phone: (312) 569-6547. Providers update this record themselves, so call before visiting.

How can I verify Grace McIlwain, M.S. CF-SLP's license?

NPPES lists Illinois license number 424007317, 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.