Stuart Adam Horn, AU.D.
Audiologist · Torrance, CA
Stuart Adam Horn, AU.D. is an audiologist with a practice address in Torrance, California, and NPI 1164699658, issued on May 13, 2008. Check the license (California AU. 659, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Stuart Adam Horn
- Credential
- AU.D.
- Primary taxonomy
- Audiologist 231H00000X
- License number
- AU. 659 CA
Self-reported in NPPES; status is on the state search - Practice location
- 20911 Earl St Ste 260, Torrance, CA 90503
- Phone
- (310) 371-0040
- Enumerated
- May 13, 2008
- Record last updated
- Apr 14, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20130703000200); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest audiologist records → All 1,561 in California → Look up another NPI →
Verify Stuart Adam Horn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license AU. 659Check 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
- Providence Medical InstituteLaguna Niguel, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stuart Adam Horn among 1,561 audiologist records in California
Stuart Adam Horn, 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 2008, is newer than 36% of them.
- NPI issued2008 · 36% of these records are older, 57% newer
- In a Medicare fileYes · 23% of these records are
- In the CMS Doctors and Clinicians fileYes · 28% of these records are
- Graduated2001 · median 2014 among the 433 with a school on file
- Record last updated2021 · 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 Torrance → Audiologist nationwide →
The 8 audiologist records with the nearest ZIP codes
- Lauren Aronowitz, AU.D.Torrance, CA 905031538095997
- Kim Baldock-Mahloch, AU.D.Torrance, CA 905031427079045
- Alicia Czuzak, M.A.Torrance, CA 905031346358256
- Cheryl Galus, M.A., CCC/ATorrance, CA 905031609812924
- Lisa Gray, AU.D.Torrance, CA 905031669179149
- Alyssa HeisenTorrance, CA 905031659269934
- Marie Hepola, MATorrance, CA 905031851332423
- Andrea Huttinger, M.A.Torrance, CA 905031356376925
Common questions
What is Stuart Adam Horn, AU.D.'s NPI number?
Stuart Adam Horn, AU.D.'s National Provider Identifier (NPI) is 1164699658, issued on May 13, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Stuart Adam Horn, AU.D. located?
The NPPES record lists a practice address at 20911 Earl St Ste 260, Torrance, CA, 90503. Phone: (310) 371-0040. Providers update this record themselves, so call before visiting.
How can I verify Stuart Adam Horn, AU.D.'s license?
NPPES lists California license number AU. 659, 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.