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Margaret Mary Hallahan, D.O.

NPI 1972818540ActiveIndividual· Internal Medicine, Hospice and Palliative Medicine· Huntingdon, PA

Internal Medicine, Hospice and Palliative Medicine (D.O.) in Huntingdon, Pennsylvania, trained at Lake Erie College of Osteopathic Medicine, Erie (class of 2010). Their prescriptions cost Medicare Part D more than their services did: $1,269,313 for 17,006 claims, against $43,579 paid for services in 2024. Inari Medical, Inc. reported $34.29 in payments in 2024, mostly food and beverage.

Overview

NPI1972818540
StatusActive
Entity typeIndividual
CredentialD.O.
Sole proprietorYes
NPI issuedAug 8, 2010
Last updated in NPPESMay 7, 2018

Specialties and licenses

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Nov 10, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026No match—
New York OMIG · Nov 11, 2026No match—
Ohio Medicaid · Nov 11, 2026No match—
Pennsylvania Medicheck · Nov 11, 2026No match—
Washington HCA · Nov 11, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Internal Medicine (PA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients167
Services billed804 across 28 procedure codes
Paid by Medicare$43,579

Part D prescriptions in 2024

Prescriptions (claims)17,006 · 17,282 30-day fills
Patients314
Total drug cost$1,269,313
Generic share85% of claims

Medicare sources and data years

Education and affiliations

Medical schoolLake Erie College of Osteopathic Medicine, Erie
Graduation year2010
Medicare specialtyInternal Medicine
Secondary specialtiesHospice/Palliative Care, Hospitalist

Medical groups

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2024$34.29 · 1 payment from 1 company

Top paying companies in 2024

CompanyAmountPayments
Inari Medical, Inc.$34.291

What the 2024 payments were for

  • Food and Beverage$34.29 · 1 payment

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records