SHERI MADRZYK
NPI 1417809286
Speech-Language Pathologist in Lower Lake, CA

Q: What is Sheri Madrzyk's NPI number?

The NPI number for Sheri Madrzyk is 1417809286. It was assigned to this individual provider in the NPPES registry on February 12, 2026.

Q: What is Sheri Madrzyk'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 Sheri Madrzyk was last updated on February 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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 February 12, 2026

9340 B. LAKE ST, LOWER LAKE, CA 95457(707) 994-6475 Get Directions Write a Review

NPPES record last updated: February 12, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Sheri Madrzyk NPPES

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

SHERI MADRZYK (NPI 1417809286) is an individual speech-language pathologist provider in Lower Lake, California, licensed in California (14280) and active in the NPI registry since February 2026.

NPPES Registry Identity

NPI1417809286

Entity TypeIndividualFemale

Primary Taxonomy235Z00000X

Provider Legal NameSHERI MADRZYK

Location Address9340 B. LAKE STLower Lake, CA 95457

Mailing Address9455 Penson CtKelseyville, CA 95451-2800

Phone(707) 994-6475

Sole ProprietorYes

Enumeration DateFebruary 12, 2026

NPPES CertifiedFebruary 11, 2026

✔ NPI 1417809286 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 · 14280

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.

9340 B. LAKE ST, Lower Lake, CA 95457

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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 Sheri Madrzyk's NPI number?

The NPI number for Sheri Madrzyk is 1417809286. It was assigned to this individual provider in the NPPES registry on February 12, 2026.

Where is Sheri Madrzyk located?

Sheri Madrzyk practices at 9340 B. Lake St, Lower Lake, CA 95457. The listed phone number is (707) 994-6475.

What is Sheri Madrzyk'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 Sheri Madrzyk was last updated on February 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.