Skip to content

Margaret B. Allison, MD,PHD

NPI 1114447398ActiveIndividual· Internal Medicine, Critical Care Medicine· Boston, MA

Internal Medicine, Critical Care Medicine (MD,PHD) in Boston, Massachusetts, trained at University of Michigan Medical School (class of 2017). Mostly services rather than prescriptions: Medicare paid $9,478 for 30 patients in 2024, with only 15 Part D claims.

Overview

NPI1114447398
StatusActive
Entity typeIndividual
CredentialMD,PHD
Sole proprietorNo
NPI issuedJun 20, 2017
Last updated in NPPESApr 10, 2023
Certified by providerApr 10, 2023

Specialties and licenses

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Oct 9, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 10, 2026No match—
New York OMIG · Nov 10, 2026No match—
Ohio Medicaid · Nov 10, 2026No match—
Pennsylvania Medicheck · Nov 10, 2026No match—
Washington HCA · Nov 10, 2026No match—

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

Medicare

Enrollment (PECOS)Enrolled Practitioner - Critical Care (Intensivists) (MA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients30
Services billed83 across 10 procedure codes
Paid by Medicare$9,478

Part D prescriptions in 2024

Prescriptions (claims)15 · 36 30-day fills
Total drug cost$12,167

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Michigan Medical School
Graduation year2017
Medicare specialtyCritical Care (Intensivists)

Medical groups

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

None reported for 2025 or 2024.

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

Other Internal Medicine, Critical Care Medicine providers in Boston

All Internal Medicine, Critical Care Medicine providers in Massachusetts →