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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

JILLIAN TIMMERMAN CCC-SLP
NPI 1801538806
Speech-Language Pathologist in New York, NY

Active since April 11, 2022
100 W 77TH ST, NEW YORK, NY 10024(212) 496-1050(212) 496-1087 Get Directions Write a Review

NPPES record last updated: July 19, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 19, 2026, Apr 11, 2022 (2 updates tracked since 2022).

About Jillian Timmerman Ccc-slp NPPES

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

JILLIAN TIMMERMAN CCC-SLP (NPI 1801538806) is an individual speech-language pathologist provider in New York, New York, licensed in New York (031524-01) and active in the NPI registry since April 2022.

NPPES Registry Identity

NPI1801538806
Entity TypeIndividualFemale
Primary Taxonomy235Z00000X
Provider Legal NameJILLIAN TIMMERMANCredential: CCC-SLP
Location Address100 W 77TH STNew York, NY 10024-6902
Mailing Address100 W 77th StNew York, NY 10024-6902 · (212) 496-1050 · Fax (212) 496-1087
Phone(212) 496-1050
Fax(212) 496-1087
Sole ProprietorYes
Enumeration DateApril 11, 2022
Last NPPES UpdateJuly 19, 20262 updates tracked since enumeration
NPPES CertifiedJuly 19, 2026
✔ NPI 1801538806 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 NY · 031524-01
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.
100 W 77TH ST, New York, NY 10024
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Other Names 1

Former Name (1)Jillian Mitchell

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 Jillian Timmerman's NPI number?

The NPI number for Jillian Timmerman is 1801538806. It was assigned to this individual provider in the NPPES registry on April 11, 2022. The provider is also known as Jillian Mitchell.

Where is Jillian Timmerman located?

Jillian Timmerman practices at 100 W 77th St, New York, NY 10024. The listed phone number is (212) 496-1050.

What is Jillian Timmerman'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 Jillian Timmerman was last updated on July 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.