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

SYDNEY COLLIER
NPI 1669397287
Speech-Language Pathologist in Holliston, MA

Q: What is Sydney Collier's NPI number?

The NPI number for Sydney Collier is 1669397287. It was assigned to this individual provider in the NPPES registry on August 12, 2026.

Q: What is Sydney Collier'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 Sydney Collier was last updated on August 12, 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 August 12, 2026

888 WASHINGTON ST, HOLLISTON, MA 01746(508) 654-3169 Get Directions Write a Review

NPPES record added: August 12, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Sydney Collier NPPES

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

SYDNEY COLLIER (NPI 1669397287) is an individual speech-language pathologist provider in Holliston, Massachusetts, licensed in Massachusetts (SLP102257) and active in the NPI registry since August 2026.

NPPES Registry Identity

NPI1669397287

Entity TypeIndividualFemale

Primary Taxonomy235Z00000X

Provider Legal NameSYDNEY COLLIER

Location Address888 WASHINGTON STHolliston, MA 01746-1634

Mailing Address888 Washington StHolliston, MA 01746-1634 · (508) 654-3169

Phone(508) 654-3169

Sole ProprietorNo

Enumeration DateAugust 12, 2026

NPPES CertifiedAugust 12, 2026

✔ NPI 1669397287 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 MA · SLP102257

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.

888 WASHINGTON ST, Holliston, MA 01746

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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 Sydney Collier's NPI number?

The NPI number for Sydney Collier is 1669397287. It was assigned to this individual provider in the NPPES registry on August 12, 2026.

Where is Sydney Collier located?

Sydney Collier practices at 888 Washington St, Holliston, MA 01746. The listed phone number is (508) 654-3169.

What is Sydney Collier'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 Sydney Collier was last updated on August 12, 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.