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Qualified Audiologist

Trisha L. Ostermeier, AU

Sees patients in Eureka, CA · California

Summary

Trisha L. Ostermeier, AU (Qualified Audiologist) is enrolled with Medicare at 1 practice location in Eureka, CA. NPI 1376575761. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Trisha L. Ostermeier, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Qualified AudiologistPrimary specialty
YesAccepts Medicare assignment
21Years since medical school (graduated 2005)
FemaleGender (as listed)

Quick answers

Where does Trisha L. Ostermeier see patients?
Medicare's clinician data lists 1 practice location in Eureka, CA. Call before your visit to confirm the address.
What is Trisha L. Ostermeier's specialty?
Medicare lists Qualified Audiologist as the primary specialty.
Does Trisha L. Ostermeier accept Medicare assignment?
Yes. Medicare's clinician data says Trisha L. Ostermeier accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Trisha L. Ostermeier?
(707) 443-7111, as listed in official Medicare / NPI Registry data.
What is Trisha L. Ostermeier's NPI number?
1376575761. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Trisha L. Ostermeier is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other clinicians: Qualified Audiologist, California →

Other audiologists in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All audiologists in California →

Clinician information

CredentialAU
Graduation year2005
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1376575761
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians