Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ABIGAIL GRACE HOLTHAUS MS
NPI 1588401244
Speech-Language Pathologist in Chicago, IL

Q: What is Abigail Holthaus's NPI number?

The NPI number for Abigail Holthaus is 1588401244. It was assigned to this individual provider in the NPPES registry on July 10, 2024.

Q: What is Abigail Holthaus's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Abigail Holthaus was last updated on July 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 48 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.

Active since July 10, 2024

3319 N ELSTON AVE, CHICAGO, IL 60618(312) 312-7525 Get Directions Write a Review

NPPES record last updated: July 8, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Jul 8, 2026, Jul 10, 2024 (2 updates tracked since 2024).

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About Abigail Grace Holthaus Ms NPPES

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

ABIGAIL GRACE HOLTHAUS MS (NPI 1588401244) is an individual speech-language pathologist provider in Chicago, Illinois, licensed in Illinois (146018434) and active in the NPI registry since July 2024.

NPPES Registry Identity

NPI1588401244

Entity TypeIndividualFemale

Primary Taxonomy235Z00000X

Provider Legal NameABIGAIL GRACE HOLTHAUSCredential: MS

Location Address3319 N ELSTON AVEChicago, IL 60618-5811

Mailing Address1409 W Carroll AveChicago, IL 60607-1105 · (312) 733-0883

Phone(312) 312-7525

Sole ProprietorNo

Enumeration DateJuly 10, 2024

Last NPPES UpdateJuly 8, 20262 updates tracked since enumeration

NPPES CertifiedJuly 8, 2026

✔ NPI 1588401244 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 · 146018434

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.

3319 N ELSTON AVE, Chicago, IL 60618

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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.

ADRIAN VALDEZ

Behavior Technician

3319 N ELSTON AVE
CHICAGO, IL 60618

Cook County (312) 312-7525

MARCELA GARCIA

Speech-Language Pathologist

3319 N ELSTON AVE
CHICAGO, IL 60618

Cook County (312) 733-0883

JOCELYN A ALVARADO

Behavior Technician

3319 N ELSTON AVE
CHICAGO, IL 60618

Cook County (312) 773-0883

DR. JAMES STEVEN FENOGLIO MD

Internal Medicine (Geriatric Medicine)

3319 N ELSTON AVE, SUITE 200
CHICAGO, IL 60618

Cook County (773) 751-7200

BROOKE ELIZABETH PATZNER

Behavior Analyst

3319 N ELSTON AVE
CHICAGO, IL 60618

Cook County (312) 733-0883

BRIAN E BACARDI DPM

Podiatrist (Primary Podiatric Medicine)

3319 N ELSTON AVE, SUITE 100
CHICAGO, IL 60618

Cook County (773) 751-7200

HALEY ADAMS B.S.

Behavior Technician

3319 N ELSTON AVE
CHICAGO, IL 60618

Cook County (331) 733-0883

DR. MARIA E O'BRIEN OTD, OTR/L

Occupational Therapist

3319 N ELSTON AVE
CHICAGO, IL 60618

Cook County (312) 733-0883

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 Abigail Holthaus's NPI number?

The NPI number for Abigail Holthaus is 1588401244. It was assigned to this individual provider in the NPPES registry on July 10, 2024.

Where is Abigail Holthaus located?

Abigail Holthaus practices at 3319 N Elston Ave, Chicago, IL 60618. The listed phone number is (312) 312-7525.

What is Abigail Holthaus'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 Abigail Holthaus was last updated on July 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 48 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.