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

HANNAH K MERZ
NPI 1336815166
Speech-Language Pathologist in Glen Carbon, IL

Q: What is Hannah Merz's NPI number?

The NPI number for Hannah Merz is 1336815166. It was assigned to this individual provider in the NPPES registry on August 20, 2021. The provider is also known as Hannah K Greeling.

Q: What is Hannah Merz'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 Hannah Merz was last updated on October 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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 August 20, 2021

15 GINGER CREST DR, GLEN CARBON, IL 62034(618) 420-3999 Get Directions Write a Review

NPPES record last updated: October 20, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Hannah K Merz NPPES

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

HANNAH K MERZ (NPI 1336815166) is an individual speech-language pathologist provider in Glen Carbon, Illinois and active in the NPI registry since August 2021.

NPPES Registry Identity

NPI1336815166

Entity TypeIndividualFemale

Primary Taxonomy235Z00000X

Provider Legal NameHANNAH K MERZ

Location Address15 GINGER CREST DRGlen Carbon, IL 62034-3511

Mailing Address216 Seminary RdBrighton, IL 62012-1547 · (618) 520-1068

Phone(618) 420-3999

Sole ProprietorNo

Enumeration DateAugust 20, 2021

Last NPPES UpdateOctober 20, 2026

NPPES CertifiedOctober 20, 2026

✔ NPI 1336815166 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.

15 GINGER CREST DR, Glen Carbon, IL 62034

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Other Names 1

Former Name (1)Hannah K Greeling

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 Hannah Merz's NPI number?

The NPI number for Hannah Merz is 1336815166. It was assigned to this individual provider in the NPPES registry on August 20, 2021. The provider is also known as Hannah K Greeling.

Where is Hannah Merz located?

Hannah Merz practices at 15 Ginger Crest Dr, Glen Carbon, IL 62034. The listed phone number is (618) 420-3999.

What is Hannah Merz'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 Hannah Merz was last updated on October 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.