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

LEAH BOSS
NPI 1619886736
Speech-Language Pathologist in Crestwood, IL

Q: What is Leah Boss's NPI number?

The NPI number for Leah Boss is 1619886736. It was assigned to this individual provider in the NPPES registry on September 3, 2026.

Q: What is Leah Boss'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 Leah Boss was last updated on September 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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 September 03, 2026

5220 135TH ST, CRESTWOOD, IL 60418(708) 385-6690 Get Directions Write a Review

NPPES record added: September 3, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

On this page

About Leah Boss NPPES

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

LEAH BOSS (NPI 1619886736) is an individual speech-language pathologist provider in Crestwood, Illinois and active in the NPI registry since September 2026.

NPPES Registry Identity

NPI1619886736

Entity TypeIndividualFemale

Primary Taxonomy235Z00000X

Provider Legal NameLEAH BOSS

Location Address5220 135TH STCrestwood, IL 60418-1502

Mailing Address5220 135th StCrestwood, IL 60418-1502

Phone(708) 385-6690

Sole ProprietorNo

Enumeration DateSeptember 3, 2026

NPPES CertifiedSeptember 3, 2026

✔ NPI 1619886736 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

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.

5220 135TH ST, Crestwood, IL 60418

Open in Google Maps ↗

Other Providers at the Same Location NPPES

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

ASHLEY LAUREN MCGOWAN SLP

Speech-Language Pathologist

5220 135TH ST
CRESTWOOD, IL 60418

Cook County (708) 385-6690

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 Leah Boss's NPI number?

The NPI number for Leah Boss is 1619886736. It was assigned to this individual provider in the NPPES registry on September 3, 2026.

Where is Leah Boss located?

Leah Boss practices at 5220 135th St, Crestwood, IL 60418. The listed phone number is (708) 385-6690.

What is Leah Boss'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 Leah Boss was last updated on September 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.