Sheri Madrzyk
Individual provider Active NPI Speech-Language Pathologist · Lower Lake, CA
NPI 1417809286 · NPPES record last updated Feb 12, 2026
Key facts
- NPI
- 1417809286
- Entity type
- Individual (NPI type 1)
- Primary specialty
- Speech-Language Pathologist 235Z00000X
- License
- 14280 (CA)
- Practice address
- 9340 B. Lake St
Lower Lake, CA 95457 - Phone
- (707) 994-6475
- NPI assigned
- Feb 12, 2026
- Sex
- Female
- Sole proprietor
- Yes
Medicare participation
- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
- Medicare enrollment (NPD)
- No
Specialties & licenses
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Speech-Language Pathologist | 235Z00000X | 14280 | CA | Yes |
Addresses
Primary practice location
9340 B. Lake St
Lower Lake, CA 95457
Mailing address
9455 Penson CT
Kelseyville, CA 95451-2800
Other providers in Lower Lake, CA
- Lake County Community Action Agency
- Lake County Community Action Agency
- Lake County Office of Education
- Lake County Office of Education
- Lake County Office of Education
- Heather McMullen
- Valerie Mick
- Stephanie Ellen Milberger
- David Joseph Miner
- Optimum Wellness Group Inc
All providers in Lower Lake, CA · Speech-Language Pathologist in California
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Record last updated by the provider on Feb 12, 2026. Information in NPPES is self-reported and not verified by CMS.
- NUCC Health Care Provider Taxonomy: specialty names.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.