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Dr. Alexandra N. Willauer, MD

Hospitalist (Hospitalist Physician)

  • Medicare participating

At a glance

Years since graduation
6
In the NPI registry since
2020
Medicare patients seen, 2024
21

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

  • 2020Medical school: Texas Tech University Health Science Center School of Medicine
  • 2020Registered 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
    MA license 1024564 · OH license 35.147077
  • Internal Medicine Physician
    OH license 35.147077
  • Student in an Organized Health Care Education/Training Program

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

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
21
Services billed
53
Patients’ average age
74
Most frequent Medicare services, 2023
ServiceTimesPatients
Established patient office or other outpatient visit, 20-29 minutes1716

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 Hospitalist clinicians in Boston

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 Information is self-reported or billed data and may be out of date; call before visiting.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 1386271666. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.