Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Landmark Hearing Services Inc

Organization Audiologist · NPI 1780808477

Landmark Hearing Services Inc is an Audiologist in Sunnyvale, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
Specialties on file
2
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

877 W Fremont Ave Ste I4
Sunnyvale, CA 94087-2315
Phone: (408) 773-9933
Fax: (408) 773-0325
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Audiologist-Hearing Aid Fitter (primary) Taxonomy 237600000X
Audiologist Taxonomy 231H00000X · Licence AU1103 (CA)

Record details

NPI number1780808477
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Sandra Wendschlag — President · (408) 773-9933
Other names Landmark Hearing Services
NPI enumeratedApril 12, 2007
Last updated in NPPESMarch 3, 2021
Certification dateMarch 3, 2021
Mailing address877 W Fremont Ave, Suite I-4, Sunnyvale, CA 94087-2315

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