NPPES file of Aug 9, 2026

Ian Gerszewski, AU.D.

Audiologist · Torrance, CA

Ian Gerszewski, AU.D. is an audiologist with a practice address in Torrance, California, and NPI 1295183978, issued on Jun 2, 2016. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1295183978
Name
Ian Gerszewski
Credential
AU.D.
Primary taxonomy
Audiologist 231H00000X
Practice location
3734 Sepulveda Blvd, Torrance, CA 90505
Phone
(310) 375-6161
Enumerated
Jun 2, 2016
Record last updated
Jun 2, 2016 (not updated in 10 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20221017000715); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest audiologist records → All 1,561 in California → Look up another NPI →

Also registered at 3734 Sepulveda Blvd

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

  1. Jacob Blaschko-Iveland, AU.D.Audiologist-Hearing Aid Fitter1063971976
  2. Rachel Burnett, AU.D.Audiologist1063751030
  3. Christopher Johnson, AUDAudiologist-Hearing Aid Fitter1285113175
  4. Celine Minasian, AUDAudiologist-Hearing Aid Fitter1013705110
  5. Matthew YoungAudiologist1295269918

Verify Ian Gerszewski 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
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Bills Medicare through one group practice

  1. South Bay Hearing And Balance Center Inc.Torrance, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Ian Gerszewski among 1,561 audiologist records in California

Ian Gerszewski, 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 2016, is newer than 60% of them.

  • NPI issued2016 · 60% of these records are older, 38% newer
  • In a Medicare fileYes · 23% of these records are
  • In the CMS Doctors and Clinicians fileYes · 28% of these records are
  • Graduated2016 · median 2014 among the 433 with a school on file
  • Record last updated2016 · 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

  1. Rachel Burnett, AU.D.Torrance, CA 905051063751030
  2. Stephanie EbersteinTorrance, CA 905051629012778
  3. Bradley McAfee, M.S.Torrance, CA 905051740206945
  4. Melinda McBride, AU.D.Torrance, CA 905051184643801
  5. Laural Purinton, AUDIOLOGISTTorrance, CA 905051063627404
  6. Matthew YoungTorrance, CA 905051295269918
  7. Isabel NunezTorrance, CA 905041518880558
  8. Lauren Aronowitz, AU.D.Torrance, CA 905031538095997

Common questions

What is Ian Gerszewski, AU.D.'s NPI number?

Ian Gerszewski, AU.D.'s National Provider Identifier (NPI) is 1295183978, issued on Jun 2, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Ian Gerszewski, AU.D. located?

The NPPES record lists a practice address at 3734 Sepulveda Blvd, Torrance, CA, 90505. Phone: (310) 375-6161. Providers update this record themselves, so call before visiting.

How can I verify Ian Gerszewski, 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), 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.