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

MARK HUTTON MA, CCC-SLP
NPI 1689599714
Speech-Language Pathologist in San Mateo, CA

Q: What is Mark Hutton's NPI number?

The NPI number for Mark Hutton is 1689599714. It was assigned to this individual provider in the NPPES registry on August 10, 2026.

Q: What is Mark Hutton'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 Mark Hutton was last updated on August 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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 10, 2026

2320 NEWPORT ST, SAN MATEO, CA 94402(650) 312-7544 Get Directions Write a Review

NPPES record added: August 10, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Mark Hutton Ma, Ccc-slp NPPES

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

MARK HUTTON MA, CCC-SLP (NPI 1689599714) is an individual speech-language pathologist provider in San Mateo, California, licensed in California (13927) and active in the NPI registry since August 2026. He maintains a secondary practice location in San Mateo.

NPPES Registry Identity

NPI1689599714

Entity TypeIndividualMale

Primary Taxonomy235Z00000X

Provider Legal NameMARK HUTTONCredential: MA, CCC-SLP

Location Address2320 NEWPORT STSan Mateo, CA 94402-3838

Mailing Address423 N Claremont St Apt 1San Mateo, CA 94401-5403

Phone(650) 312-7544

Sole ProprietorYes

Enumeration DateAugust 10, 2026

NPPES CertifiedAugust 10, 2026

✔ NPI 1689599714 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 · 13927

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.

2320 NEWPORT ST, San Mateo, CA 94402

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Secondary Practice Location 1

Location 1300 28th AveSan Mateo, CA 94403-2405 · Phone (650) 312-7551

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 Mark Hutton's NPI number?

The NPI number for Mark Hutton is 1689599714. It was assigned to this individual provider in the NPPES registry on August 10, 2026.

Where is Mark Hutton located?

Mark Hutton practices at 2320 Newport St, San Mateo, CA 94402. The listed phone number is (650) 312-7544.

What is Mark Hutton'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 Mark Hutton was last updated on August 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.