OLIVIA CECILE HARNOIS MS CCC-SLP
NPI 1992558340
Speech-Language Pathologist in Johns Island, SC

Q: What is Olivia Harnois's NPI number?

The NPI number for Olivia Harnois is 1992558340. It was assigned to this individual provider in the NPPES registry on April 8, 2024.

Q: What is Olivia Harnois'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 Olivia Harnois was last updated on June 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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 April 08, 2024

60 FENWICK HALL ALY APT 825, JOHNS ISLAND, SC 29455(603) 489-7059 Get Directions Write a Review

NPPES record last updated: June 8, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Olivia Cecile Harnois Ms Ccc-slp NPPES

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

OLIVIA CECILE HARNOIS MS CCC-SLP (NPI 1992558340) is an individual speech-language pathologist provider in Johns Island, South Carolina, licensed in North Carolina (30004940) and active in the NPI registry since April 2024. She is a graduate of Other (2021).

NPPES Registry Identity

NPI1992558340

Entity TypeIndividualFemale

Primary Taxonomy235Z00000X

Provider Legal NameOLIVIA CECILE HARNOISCredential: MS CCC-SLP

Location Address60 FENWICK HALL ALY APT 825Johns Island, SC 29455-3135

Mailing Address60 Fenwick Hall Aly Apt 825Johns Island, SC 29455-3135 · (603) 489-7059

Phone(603) 489-7059

Sole ProprietorYes

Medical School CMSOtherGraduated 2021

Enumeration DateApril 8, 2024

Last NPPES UpdateJune 8, 2026

NPPES CertifiedJune 8, 2026

✔ NPI 1992558340 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

Licenses✔ Licensed in NC · 30004940✔ Licensed in SC · 7692

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.

60 FENWICK HALL ALY APT 825, Johns Island, SC 29455

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Olivia Cecile Harnois Ms Ccc-slp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4587133673

PECOS Enrollment IDI20260519000854

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 Olivia Harnois's NPI number?

The NPI number for Olivia Harnois is 1992558340. It was assigned to this individual provider in the NPPES registry on April 8, 2024.

Where is Olivia Harnois located?

Olivia Harnois practices at 60 Fenwick Hall Aly Apt 825, Johns Island, SC 29455. The listed phone number is (603) 489-7059.

What is Olivia Harnois's specialty?

The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.

Is Olivia Harnois enrolled in Medicare?

Yes. Olivia Harnois is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Olivia Harnois was last updated on June 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.