William Hansen, AU.D.
Audiologist · San Diego, CA
William Hansen, AU.D. is an audiologist with a practice address in San Diego, California, and NPI 1144005323, issued on Aug 28, 2023. Check the license (California 3804, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William Hansen
- Credential
- AU.D.
- Primary taxonomy
- Audiologist 231H00000X
- License number
- 3804 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5405 Oberlin Dr, San Diego, CA 92121
- Phone
- (858) 909-0770
- Enumerated
- Aug 28, 2023
- Record last updated
- Aug 28, 2023
- Medicare enrollment
- Enrolled (PECOS I20231007000556); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest audiologist records → All 1,561 in California → Look up another NPI →
Also registered at 5405 Oberlin Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Allison Almon, AU.D.Audiologist1487252243
- Shahram Khorshidi, M.D.Family Medicine Physician1366621914
- William Polonsky, PHDHealth Psychologist1720414014
- Marci Smith, MA, CCC-AAudiologist1720259492
Verify William Hansen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 3804Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Sharp Rees-Stealy Medical Group IncSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Hansen among 1,561 audiologist records in California
William Hansen, AU.D. is one of 1,561 audiologist records with a practice address in California. 23% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 84% of them.
- NPI issued2023 · 84% of these records are older, 12% newer
- In a Medicare fileYes · 23% of these records are
- In the CMS Doctors and Clinicians fileYes · 28% of these records are
- Graduated2023 · median 2014 among the 433 with a school on file
- Record last updated2023 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 231H00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Audiologist providers in California
There are 1,561 audiologist records in California.
All 1,561 in California → Every provider in San Diego → Audiologist nationwide →
The 8 audiologist records with the nearest ZIP codes
- Allison Almon, AU.D.San Diego, CA 921211487252243
- Daniel Ledee, AU.D.San Diego, CA 921211154858017
- Kayli SilversteinSan Diego, CA 921211912775669
- Marci Smith, MA, CCC-ASan Diego, CA 921211720259492
- Samantha Tichonchuk, AU.D.San Diego, CA 921211356717763
- Alycia Anzalone, AU.D.San Diego, CA 921221982985073
- Donna Braun, AUDSan Diego, CA 921201457409369
- Christine Hiatt, AUDSan Diego, CA 921201538217443
Common questions
What is William Hansen, AU.D.'s NPI number?
William Hansen, AU.D.'s National Provider Identifier (NPI) is 1144005323, issued on Aug 28, 2023. An NPI identifies a provider in billing; it is not a license.
Where is William Hansen, AU.D. located?
The NPPES record lists a practice address at 5405 Oberlin Dr, San Diego, CA, 92121. Phone: (858) 909-0770. Providers update this record themselves, so call before visiting.
How can I verify William Hansen, AU.D.'s license?
NPPES lists California license number 3804, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.