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

KATELEEN GELLANGARIN
NPI 1942114699
Speech-Language Pathologist in Crystal Lake, IL

Active since September 30, 2026
407 E TERRA COTTA AVE STE E, CRYSTAL LAKE, IL 60014(847) 766-0011 Get Directions Write a Review

NPPES record added: September 30, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

About Kateleen Gellangarin NPPES

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

KATELEEN GELLANGARIN (NPI 1942114699) is an individual speech-language pathologist provider in Crystal Lake, Illinois and active in the NPI registry since September 2026.

NPPES Registry Identity

NPI1942114699
Entity TypeIndividual
Primary Taxonomy235Z00000X
Provider Legal NameKATELEEN GELLANGARIN
Location Address407 E TERRA COTTA AVE STE ECrystal Lake, IL 60014-3602
Mailing Address407 E Terra Cotta Ave Ste ECrystal Lake, IL 60014-3602
Phone(847) 766-0011
Sole ProprietorYes
Enumeration DateSeptember 30, 2026
NPPES CertifiedSeptember 30, 2026
✔ NPI 1942114699 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.
407 E TERRA COTTA AVE STE E, Crystal Lake, IL 60014
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Other Providers at the Same Location NPPES 6

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

KATELYN P CISZON SLP/L
Speech-Language Pathologist
407 E TERRA COTTA AVE STE E
CRYSTAL LAKE, IL 60014
McHenry County (847) 766-0011
EMPOWER ADVANCED THERAPY
Clinic/Center (Rehabilitation)
407 E TERRA COTTA AVE STE E
CRYSTAL LAKE, IL 60014
McHenry County (847) 766-0011
MS. KATHERINE Z DEMUNNO OTR/L
Occupational Therapist
407 E TERRA COTTA AVE STE E
CRYSTAL LAKE, IL 60014
McHenry County (847) 766-0011
GREGORY GIVEN PT, MHS, SCS, ATC
Physical Therapist (Sports)
407 E TERRA COTTA AVE STE E
CRYSTAL LAKE, IL 60014
McHenry County (815) 477-8004
ABIGAIL GUTHRIE
Physical Therapy Assistant
407 E TERRA COTTA AVE STE E
CRYSTAL LAKE, IL 60014
McHenry County No phone listed
MS. YVONNE GAGLIANO P.T.
Physical Therapist
407 E TERRA COTTA AVE STE E
CRYSTAL LAKE, IL 60014
McHenry County (847) 766-0011

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 Kateleen Gellangarin's NPI number?

The NPI number for Kateleen Gellangarin is 1942114699. It was assigned to this individual provider in the NPPES registry on September 30, 2026.

Where is Kateleen Gellangarin located?

Kateleen Gellangarin practices at 407 E Terra Cotta Ave Ste E, Crystal Lake, IL 60014. The listed phone number is (847) 766-0011.

What is Kateleen Gellangarin'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 Kateleen Gellangarin was last updated on September 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.