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GRACE MCILWAIN M.S. CF-SLP
NPI 1487334686
Speech-Language Pathologist in Chicago, IL

Active since July 21, 2023Accepts Medicare Assignment
820 S DAMEN AVE, CHICAGO, IL 60612(312) 569-6547 Get Directions Write a Review

NPPES record last updated: July 21, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Grace Mcilwain M.s. Cf-slp NPPES

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

GRACE MCILWAIN M.S. CF-SLP (NPI 1487334686) is an individual speech-language pathologist provider in Chicago, Illinois, licensed in Illinois (424007317) and active in the NPI registry since July 2023. She is a graduate of Rush Medical College Of Rush University (2023).

NPPES Registry Identity

NPI1487334686
Entity TypeIndividualFemale
Primary Taxonomy235Z00000X
Provider Legal NameGRACE MCILWAINCredential: M.S. CF-SLP
Location Address820 S DAMEN AVEChicago, IL 60612-3728
Mailing Address211 W Scott St Apt 410Chicago, IL 60610-0748 · (847) 909-4229
Phone(312) 569-6547
Sole ProprietorNo
Medical School CMSRush Medical College Of Rush UniversityGraduated 2023
Enumeration DateJuly 21, 2023
NPPES CertifiedJuly 21, 2023
✔ NPI 1487334686 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 · 424007317
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.
820 S DAMEN AVE, Chicago, IL 60612
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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 and accepts Medicare assignment

Grace Mcilwain M.s. Cf-slp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID941722235
PECOS Enrollment IDI20250317000361

Medicare Billing Reassignment

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

Illinois Speech Therapy, PLLC
36 mi
Speech-Language Pathologist
38W605 SILVER GLEN RD
St Charles, IL 60175
  • Reassigned Medicare billing, Illinois enrollment
  • 8 clinicians in this Medicare group
NPI 1013623438 (708) 502-4889

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 20

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

NISHA MEHTA
Pharmacist
820 S DAMEN AVE, PHARMACY (119)
CHICAGO, IL 60612
Cook County (312) 569-5906
MICHAEL FUNG PHD
Psychologist (Clinical)
820 S DAMEN AVE
CHICAGO, IL 60612
Cook County (312) 569-6975
ROBERTA J THOMPSON MSW
Social Worker (Clinical)
820 S DAMEN AVE
CHICAGO, IL 60612
Cook County (312) 569-7588
MS. JOLINE L. LABEDIS LCSW
Social Worker (Clinical)
820 S DAMEN AVE, ROOM 8456
CHICAGO, IL 60612
Cook County (312) 569-6972
DR. ARDITA TALI
Nuclear Medicine
820 S DAMEN AVE
CHICAGO, IL 60612
Cook County (312) 569-6435
JESSE BROWN VA MEDICAL CENTER
Military Hospital (Military General Acute Care Hospital)
820 S DAMEN AVE
CHICAGO, IL 60612
Cook County (312) 569-8387
DR. PETER F. FORE M.D.
Psychiatry & Neurology (Psychiatry)
820 S DAMEN AVE, MAILCODE 116A
CHICAGO, IL 60612
Cook County (312) 569-7201
MARISSA MAHONEY PHARMD
Pharmacist (Pharmacotherapy)
820 S DAMEN AVE
CHICAGO, IL 60612
Cook County (312) 569-6820

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 Grace Mcilwain's NPI number?

The NPI number for Grace Mcilwain is 1487334686. It was assigned to this individual provider in the NPPES registry on July 21, 2023.

Where is Grace Mcilwain located?

Grace Mcilwain practices at 820 S Damen Ave, Chicago, IL 60612. The listed phone number is (312) 569-6547.

What is Grace Mcilwain's specialty?

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

Is Grace Mcilwain enrolled in Medicare?

Yes. Grace Mcilwain is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Grace Mcilwain's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Grace Mcilwain reassigns Medicare benefits to Illinois Speech Therapy, PLLC (St Charles, 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 Grace Mcilwain'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 Grace Mcilwain was last updated on July 21, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.