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Dr. Aaron N. Holmes

Hospitalist (Hospitalist Physician)

At a glance

Years since graduation
4
In the NPI registry since
2022

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

  • 2022Medical school: University of Connecticut School of Medicine
  • 2022Registered with an NPI (national billing number; not a license date)

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

  • Hospitalist Physician primary
    NY license 325544
  • Internal Medicine Physician
    NY license 325544

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

Map: Hospitalist per capita by county →

Where they work

Hospitals

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.

Other Hospitalist clinicians in New York

Sources

NPI registry (CMS NPPES, November 2026; record last updated July 10, 2025), 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 Information is self-reported or billed data and may be out of date; call before visiting.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 1679222079. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.