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

OLESIA GRITSYK M.S., CCC-SLP
NPI 1437063815
Speech-Language Pathologist in New York, NY

Q: What is Olesia Gritsyk's NPI number?

The NPI number for Olesia Gritsyk is 1437063815. It was assigned to this individual provider in the NPPES registry on October 1, 2026.

Q: What is Olesia Gritsyk'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 Olesia Gritsyk was last updated on October 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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 October 01, 2026

55 SUFFOLK ST, NEW YORK, NY 10002(917) 216-9537 Get Directions Write a Review

NPPES record added: October 1, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

On this page

About Olesia Gritsyk M.s., Ccc-slp NPPES

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

OLESIA GRITSYK M.S., CCC-SLP (NPI 1437063815) is an individual speech-language pathologist provider in New York, New York and active in the NPI registry since October 2026.

NPPES Registry Identity

NPI1437063815

Entity TypeIndividual

Primary Taxonomy235Z00000X

Provider Legal NameOLESIA GRITSYKCredential: M.S., CCC-SLP

Location Address55 SUFFOLK STNew York, NY 10002-8406

Mailing Address55 Suffolk StNew York, NY 10002-8406

Phone(917) 216-9537

Sole ProprietorYes

Enumeration DateOctober 1, 2026

NPPES CertifiedOctober 1, 2026

✔ NPI 1437063815 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.

55 SUFFOLK ST, New York, NY 10002

Open in Google Maps ↗

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 Olesia Gritsyk's NPI number?

The NPI number for Olesia Gritsyk is 1437063815. It was assigned to this individual provider in the NPPES registry on October 1, 2026.

Where is Olesia Gritsyk located?

Olesia Gritsyk practices at 55 Suffolk St, New York, NY 10002. The listed phone number is (917) 216-9537.

What is Olesia Gritsyk'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 Olesia Gritsyk was last updated on October 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.