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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

ALLISON JANE DUFFY
NPI 1699691550
Speech-Language Pathologist in Chicago, IL

Active since June 25, 2026
11053 S MILLARD AVE, CHICAGO, IL 60655(773) 253-9856 Get Directions Write a Review

NPPES record added: June 25, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Allison Jane Duffy NPPES

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

ALLISON JANE DUFFY (NPI 1699691550) is an individual speech-language pathologist provider in Chicago, Illinois, licensed in Illinois (242018753) and active in the NPI registry since June 2026.

NPPES Registry Identity

NPI1699691550
Entity TypeIndividualFemale
Primary Taxonomy235Z00000X
Provider Legal NameALLISON JANE DUFFY
Location Address11053 S MILLARD AVEChicago, IL 60655-3327
Mailing Address11053 S Millard AveChicago, IL 60655-3327 · (773) 253-9856
Phone(773) 253-9856
Sole ProprietorNo
Enumeration DateJune 25, 2026
NPPES CertifiedJune 25, 2026
✔ NPI 1699691550 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 · 242018753
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.
11053 S MILLARD AVE, Chicago, IL 60655
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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.

GIANNA CAPONERA
Occupational Therapist
11053 S MILLARD AVE
CHICAGO, IL 60655
Cook County (773) 253-9856
MRS. LAURA ANN MAXWELL
Speech-Language Pathologist
11053 S MILLARD AVE
CHICAGO, IL 60655
Cook County (773) 253-9856
SYDNEY RADCLIFF MOT, OTR/L
Occupational Therapist (Pediatrics)
11053 S MILLARD AVE
CHICAGO, IL 60655
Cook County (502) 471-8388
KATHLEEN GEN O'LEARY MS. CCC-SLP/L
Speech-Language Pathologist
11053 S MILLARD AVE
CHICAGO, IL 60655
Cook County (888) 329-4535
LILLIAN GASKIN
Occupational Therapist
11053 S MILLARD AVE
CHICAGO, IL 60655
Cook County (773) 253-9856
ELISE MARIE HARRIGAN M.S. CCC-SLP
Speech-Language Pathologist
11053 S MILLARD AVE
CHICAGO, IL 60655
Cook County (773) 253-9856
PEYTON STREET
Speech-Language Pathologist
11053 S MILLARD AVE
CHICAGO, IL 60655
Cook County (773) 253-9856
GABRIELLE MORAN MHS, CF-SLP
Speech-Language Pathologist
11053 S MILLARD AVE
CHICAGO, IL 60655
Cook County (773) 253-9856

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 Allison Duffy's NPI number?

The NPI number for Allison Duffy is 1699691550. It was assigned to this individual provider in the NPPES registry on June 25, 2026.

Where is Allison Duffy located?

Allison Duffy practices at 11053 S Millard Ave, Chicago, IL 60655. The listed phone number is (773) 253-9856.

What is Allison Duffy's specialty?

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

When was this NPI record last updated?

The NPPES record for Allison Duffy was last updated on June 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 50 days 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.