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Christopher J. Johnson, AUD

Audiologists (Audiologist-Hearing Aid Fitter)

3734 Sepulveda Blvd
Torrance, CA 90505

Who else practices at this address →

Los Angeles County includes primary care (7% of residents) and mental health (13% of residents) shortage areas. About shortage areas

Call (310) 375-6161

  • Medicare participating

At a glance

Years since graduation
8
In the NPI registry since
2018
Medicare patients seen, 2024
27

The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is

Education and training

  • 2018Registered with an NPI (national billing number; not a license date)

Medicare’s Care Compare data doesn’t list this clinician’s medical school. Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).

Specialties and state licenses

  • Audiologist-Hearing Aid Fitter primary
    CA license AU3344

As reported to the NPI registry. To confirm a license is current, check the state medical board.

Map: Audiologists per capita by county →

Where they work

Medical groups

Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.

Medicare patients and services

Medicare patients, 2024
27
Services billed
85
Patients’ average age
78
Most frequent Medicare services, 2023
ServiceTimesPatients
Comprehensive hearing and speech recognition test5251
Placement of ear probe for computerized measurement of repeated sounds with interpretation and report4141
Comprehensive hearing test2424
Test to assess middle ear function1414

Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.

Other Audiologists clinicians in Torrance

Sources

NPI registry (CMS NPPES, November 2026; record last updated August 10, 2018), Medicare Care Compare, Medicare Physician & Other Practitioners (2024), Medicare Part D Prescribers (2024) and Open Payments (2025). Information is self-reported or billed data and may be out of date; call before visiting.

NPI 1285113175. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.