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Margaret Andrzejewski, PA-C

Physician Assistants (Physician Assistant)

At a glance

In the NPI registry since
2011

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

  • 2011Registered 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

  • Physician Assistant primary
    PA license MA055230

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

Map: Physician Assistants per capita by county →

Medicare prescriptions

Most prescribed drugs, Medicare Part D 2024
DrugPrescriptions
Furosemide
Other prescribers in Pittsburgh, PA
17
Xifaxan (rifaximin)
Other prescribers in Pittsburgh, PA
14

Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.

Payments from drug and device companies

In 2025, 1 companies reported 1 payments worth $145 in total to this clinician.

By type
Food and Beverage$145

From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.

Who received the most in Pennsylvania →

Other Physician Assistants clinicians in Pittsburgh

Sources

NPI registry (CMS NPPES, November 2026; record last updated November 7, 2011), 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 Information is self-reported or billed data and may be out of date; call before visiting.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 1578840468. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.