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

OLIVIA HORRIGAN M.S., CCC-SLP
NPI 1790699403
Speech-Language Pathologist in Troy, MI

Q: What is Olivia Horrigan's NPI number?

The NPI number for Olivia Horrigan is 1790699403. It was assigned to this individual provider in the NPPES registry on September 30, 2026.

Q: What is Olivia Horrigan'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 Horrigan was last updated on September 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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 September 30, 2026

4600 FORSYTH DR, TROY, MI 48085(248) 823-3500 Get Directions Write a Review

NPPES record added: September 30, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

On this page

About Olivia Horrigan M.s., Ccc-slp NPPES

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

OLIVIA HORRIGAN M.S., CCC-SLP (NPI 1790699403) is an individual speech-language pathologist provider in Troy, Michigan, licensed in Michigan (7101008992) and active in the NPI registry since September 2026.

NPPES Registry Identity

NPI1790699403

Entity TypeIndividualFemale

Primary Taxonomy235Z00000X

Provider Legal NameOLIVIA HORRIGANCredential: M.S., CCC-SLP

Location Address4600 FORSYTH DRTroy, MI 48085-3775

Mailing Address582 Fox River DrBloomfield Hills, MI 48304-1010 · (615) 955-7831

Phone(248) 823-3500

Sole ProprietorNo

Enumeration DateSeptember 30, 2026

NPPES CertifiedSeptember 30, 2026

✔ NPI 1790699403 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 MI · 7101008992

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.

4600 FORSYTH DR, Troy, MI 48085

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 Olivia Horrigan's NPI number?

The NPI number for Olivia Horrigan is 1790699403. It was assigned to this individual provider in the NPPES registry on September 30, 2026.

Where is Olivia Horrigan located?

Olivia Horrigan practices at 4600 Forsyth Dr, Troy, MI 48085. The listed phone number is (248) 823-3500.

What is Olivia Horrigan'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 Olivia Horrigan was last updated on September 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.