Registry data as of Aug 27, 2026

William Speer, AU.D.

Audiologist · Eureka, CA

William Speer, AU.D. is an audiologist with a practice address in Eureka, California, and NPI 1164835534, issued on Jun 3, 2014. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1164835534
Name
William Speer
Credential
AU.D.
Primary taxonomy
Audiologist 231H00000X
Practice location
831 Harris St, Eureka, CA 95503
Phone
(707) 443-7111
Enumerated
Jun 3, 2014
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 831 Harris St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Mark Harris, DDSGeneral Practice Dentistry1427002385
  2. Roger Miller, DDSGeneral Practice Dentistry1497865554
  3. Thomas Vert, D.D.S.General Practice Dentistry1215931118
  4. Jason Wolven, D.D.S.General Practice Dentistry1013185990

Verify William Speer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

One hospital or facility affiliation

  1. Ohio County Hospital CorporationOwensboro, KY

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Audiologist providers in California

There are 1,521 audiologist records in California.

All 1,521 in California → Every provider in Eureka →

Other audiologist records in California

  1. Edward Abalos, AU.D.Long Beach, CA1447445986
  2. Cassandra Abbinanti, AUDPomona, CA1619747466
  3. Kasra Abolhosseini, AUDTustin, CA1083123129
  4. Janely Abootorabi, AU.D.Santa Clara, CA1588236483
  5. Maria Abramson, AU.DSan Juan Capistrano, CA1396079851
  6. Amanda Abrisch, AUDLa Jolla, CA1780966903
  7. Zachary Abt, AUDPasadena, CA1790522712
  8. Sylvia Acevedo-FreySun City, CA1184776262
  9. Reid AdamsVisalia, CA1184897324
  10. Sheneekra AdamsLos Angeles, CA1477583474

Common questions

What is William Speer, AU.D.'s NPI number?

William Speer, AU.D.'s National Provider Identifier (NPI) is 1164835534, issued on Jun 3, 2014. An NPI identifies a provider in billing; it is not a license.

Where is William Speer, AU.D. located?

The NPPES record lists a practice address at 831 Harris St, Eureka, CA, 95503. Phone: (707) 443-7111. Providers update this record themselves, so call before visiting.

How can I verify William Speer, AU.D.'s license?

Search the California board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Compiled from official public sources by the editorial process.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.