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Harry Davis

Hearing Instrument Specialist

25 E Washington St Ste 1817
Chicago, IL 60602

Who else practices at this address →

Cook County includes primary care (3% of residents) and mental health (4% of residents) shortage areas. About shortage areas

Call (636) 397-6966

At a glance

In the NPI registry since
2009

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

  • 2009Registered 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

  • Hearing Instrument Specialist primary
    NC license 1542

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

Other Hearing Instrument Specialist clinicians in Chicago

Sources

NPI registry (CMS NPPES, November 2026; record last updated April 25, 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 Information is self-reported or billed data and may be out of date; call before visiting.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 1003056789. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.