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DIANNA KOESTERER
NPI 1689472748
Speech-Language Pathologist in Fairview Heights, IL

Active since March 05, 2025
400 ASHLAND AVE, FAIRVIEW HEIGHTS, IL 62208(618) 233-7588 Get Directions Write a Review

NPPES record last updated: March 5, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dianna Koesterer NPPES

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

DIANNA KOESTERER (NPI 1689472748) is an individual speech-language pathologist provider in Fairview Heights, Illinois, licensed in Illinois (146016920) and active in the NPI registry since March 2025.

NPPES Registry Identity

NPI1689472748
Entity TypeIndividualFemale
Primary Taxonomy235Z00000X
Provider Legal NameDIANNA KOESTERER
Location Address400 ASHLAND AVEFairview Heights, IL 62208-2802
Mailing Address1115 Lebanon AveBelleville, IL 62221-4017 · (618) 670-8456
Phone(618) 233-7588
Sole ProprietorNo
Enumeration DateMarch 5, 2025
NPPES CertifiedMarch 5, 2025
✔ NPI 1689472748 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 · 146016920
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.
400 ASHLAND AVE, Fairview Heights, IL 62208
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Other Providers at the Same Location NPPES 2

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

PONTIAC-WM HOLLIDAY SD 105
Local Education Agency (LEA)
400 ASHLAND AVE
FAIRVIEW HEIGHTS, IL 62208
St. Clair County (618) 233-2320
MRS. TAYLOR RATULOWSKI M.S. CCC-SLP
Speech-Language Pathologist
400 ASHLAND AVE
FAIRVIEW HEIGHTS, IL 62208
St. Clair County (618) 233-7588

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 Dianna Koesterer's NPI number?

The NPI number for Dianna Koesterer is 1689472748. It was assigned to this individual provider in the NPPES registry on March 5, 2025.

Where is Dianna Koesterer located?

Dianna Koesterer practices at 400 Ashland Ave, Fairview Heights, IL 62208. The listed phone number is (618) 233-7588.

What is Dianna Koesterer'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 Dianna Koesterer was last updated on March 5, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.