DR. IAN GERSZEWSKI AU.D.
NPI 1295183978
Audiologist in Torrance, CA

Q: What is Ian Gerszewski's NPI number?

The NPI number for Ian Gerszewski is 1295183978. It was assigned to this individual provider in the NPPES registry on June 2, 2016.

Q: What is Ian Gerszewski's specialty?

The primary specialty registered for this NPI is Audiologist with taxonomy code 231H00000X.

Q: When was this NPI record last updated?

The NPPES record for Ian Gerszewski was last updated on June 2, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 02, 2016Accepts Medicare Assignment

3734 SEPULVEDA BLVD, TORRANCE, CA 90505(310) 375-6161 Get Directions Write a Review

NPPES record last updated: June 2, 2016. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Dr. Ian Gerszewski Au.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. IAN GERSZEWSKI AU.D. (NPI 1295183978) is an individual audiologist in Torrance, California and active in the NPI registry since June 2016. He is a graduate of Other (2016).

NPPES Registry Identity

NPI1295183978

Entity TypeIndividualMale

Primary Taxonomy231H00000X

Provider Legal NameDR. IAN GERSZEWSKICredential: AU.D.

Location Address3734 SEPULVEDA BLVDTorrance, CA 90505-2513

Mailing Address3734 Sepulveda BlvdTorrance, CA 90505-2513 · (310) 375-6161

Phone(310) 375-6161

Sole ProprietorNo

Medical School CMSOtherGraduated 2016

Enumeration DateJune 2, 2016

✔ NPI 1295183978 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAudiologistSpeech, Language and Hearing Service Providers

Taxonomy Code231H00000X

Definition

(1) A specialist in evaluation, habilitation and rehabilitation of those whose communication disorders center in whole or in part in hearing function. Audiologists are autonomous professionals who identify, assess, and manage disorders of the auditory, balance and other neural systems. Audiologists provide audiological (aural) rehabilitation to children and adults across the entire age span. Audiologists select, fit and dispense amplification systems such as hearing aids and related devices. (2) An audiologist is a person qualified by a master's degree in audiology, licensed by the state, where applicable, and practicing within the scope of that license. Audiologists evaluate and treat patients with impaired hearing. They plan, direct and conduct rehabilitative programs with audiotry substitutional devises (hearing aids) and other therapy.

Also ListedAudiologist-Hearing Aid FitterTaxonomy 237600000X

3734 SEPULVEDA BLVD, Torrance, CA 90505

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Ian Gerszewski Au.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5799151783

PECOS Enrollment IDI20221017000715

Medicare Billing Reassignment

Medicare enrollment records show Ian Gerszewski reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

South Bay Hearing & Balance Center Inc.

Same address

Audiologist

3734 SEPULVEDA BLVD
Torrance, CA 90505

Reassigned Medicare billing, California enrollment
6 clinicians in this Medicare group

NPI 1891972113 (310) 375-6161

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Comprehensive hearing and speech recognition test 92557

A comprehensive hearing and speech recognition test assesses your ability to hear and understand spoken words. It includes hearing tests to check for issues with sound perception and speech tests to evaluate your word recognition. It's a crucial step in identifying any hearing or speech problems.

31 services30 patients

Test to assess middle ear function 92567

A test to assess middle ear function, also known as an impedance audiometry, helps evaluate how well your middle ear works. It measures the movement of your eardrum in response to changes in air pressure. This can help identify issues like fluid build-up, ear infections, or eardrum perforations.

20 services20 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90505 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$62.96 typical visit price

range $62.96 – $187.60

Typical copayment $15.74 (range $15.74 – $46.90)

Most-billed visit code 99202

Established Patient

$77.96 typical visit price

range $20.84 – $153.61

Typical copayment $19.49 (range $5.21 – $38.40)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CELINE ROSE MINASIAN AUD

Audiologist-Hearing Aid Fitter