ALYSSA HAYASHI M.S. CCC-SLP
NPI 1831054519
Speech-Language Pathologist in San Carlos, CA

Q: What is Alyssa Hayashi's NPI number?

The NPI number for Alyssa Hayashi is 1831054519. It was assigned to this individual provider in the NPPES registry on December 16, 2025.

Q: What is Alyssa Hayashi'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 Alyssa Hayashi was last updated on December 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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 December 16, 2025

2333 HOWARD AVE, SAN CARLOS, CA 94070(415) 531-9289 Get Directions Write a Review

NPPES record last updated: December 16, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Alyssa Hayashi M.s. Ccc-slp NPPES

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

ALYSSA HAYASHI M.S. CCC-SLP (NPI 1831054519) is an individual speech-language pathologist provider in San Carlos, California, licensed in California (19088) and active in the NPI registry since December 2025.

NPPES Registry Identity

NPI1831054519

Entity TypeIndividualFemale

Primary Taxonomy235Z00000X

Provider Legal NameALYSSA HAYASHICredential: M.S. CCC-SLP

Location Address2333 HOWARD AVESan Carlos, CA 94070-4512

Mailing Address2333 Howard AveSan Carlos, CA 94070-4512 · (415) 531-9289

Phone(415) 531-9289

Sole ProprietorYes

Enumeration DateDecember 16, 2025

NPPES CertifiedDecember 16, 2025

✔ NPI 1831054519 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 CA · 19088

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.

2333 HOWARD AVE, San Carlos, CA 94070

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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 Alyssa Hayashi's NPI number?

The NPI number for Alyssa Hayashi is 1831054519. It was assigned to this individual provider in the NPPES registry on December 16, 2025.

Where is Alyssa Hayashi located?

Alyssa Hayashi practices at 2333 Howard Ave, San Carlos, CA 94070. The listed phone number is (415) 531-9289.

What is Alyssa Hayashi'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 Alyssa Hayashi was last updated on December 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.