Listed in the NPI registry as a qualified audiologist, William Stewart Speer, AU.D. practices in Eureka, CA. William is also listed as specializing in audiologist. According to Medicare claims data, William cared for 630 Medicare patients across 659 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Source: NPPES NPI Registry
831 HARRIS ST SUITE D
Eureka, CA 95503
659 services · 630 patients · 2 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Test to assess middle ear function | Treatment | 92567 |
331 |
| Comprehensive hearing and speech recognition test | Treatment | 92557 |
328 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Speer is a qualified audiologist in Eureka, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “QUALIFIED AUDIOLOGIST”.
NPI registry
Dr. Speer is listed at 831 HARRIS ST SUITE D, Eureka, CA 95503. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (707) 443-7111. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Speer's National Provider Identifier is 1164835534. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Speer attended Other, graduating in 2014. This comes from the CMS National Downloadable File.
CMS public data
Dr. Speer has 12 years experience. Calculated from a graduation year of 2014, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Speer provides treatments such as test to assess middle ear function and comprehensive hearing and speech recognition test. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Speer. If this is you, claiming it is free.
Guide.md
Verify your identity to control how patients — and AI assistants — describe you.
Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.