Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

SIERRA MARIE OVERTON THOMPSON M.S. CCC-SLP
NPI 1285489260
Speech-Language Pathologist in Santa Rosa, CA

Q: What is Sierra Thompson's NPI number?

The NPI number for Sierra Thompson is 1285489260. It was assigned to this individual provider in the NPPES registry on April 22, 2024.

Q: What is Sierra Thompson'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 Sierra Thompson was last updated on September 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 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 April 22, 2024

3435 BONITA VISTA DR, SANTA ROSA, CA 95404(707) 890-3925 Get Directions Write a Review

NPPES record last updated: September 14, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Sep 14, 2026, Apr 22, 2024 (2 updates tracked since 2024).

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About Sierra Marie Overton Thompson M.s. Ccc-slp NPPES

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

SIERRA MARIE OVERTON THOMPSON M.S. CCC-SLP (NPI 1285489260) is an individual speech-language pathologist provider in Santa Rosa, California, licensed in California (19092) and active in the NPI registry since April 2024.

NPPES Registry Identity

NPI1285489260

Entity TypeIndividualFemale

Primary Taxonomy235Z00000X

Provider Legal NameSIERRA MARIE OVERTON THOMPSONCredential: M.S. CCC-SLP

Location Address3435 BONITA VISTA DRSanta Rosa, CA 95404

Mailing Address1548 Monarch PlRohnert Park, CA 94928-3602 · (707) 490-4664

Phone(707) 890-3925

Sole ProprietorNo

Enumeration DateApril 22, 2024

Last NPPES UpdateSeptember 14, 20262 updates tracked since enumeration

NPPES CertifiedSeptember 14, 2026

✔ NPI 1285489260 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 · 19092

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.

3435 BONITA VISTA DR, Santa Rosa, CA 95404

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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 Sierra Thompson's NPI number?

The NPI number for Sierra Thompson is 1285489260. It was assigned to this individual provider in the NPPES registry on April 22, 2024.

Where is Sierra Thompson located?

Sierra Thompson practices at 3435 Bonita Vista Dr, Santa Rosa, CA 95404. The listed phone number is (707) 890-3925.

What is Sierra Thompson'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 Sierra Thompson was last updated on September 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 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.