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Margaret-Mary Williams, MD

NPI 1992792055ActiveIndividual· Internal Medicine· Brockton, MA

Internal Medicine (MD) in Brockton, Massachusetts, trained at Albany Medical College of Union University (class of 1987). Their prescriptions cost Medicare Part D more than their services did: $133,425 for 3,352 claims, against $39,772 paid for services in 2024. Bridgebio Pharma, Inc. reported $18.09 in payments in 2025, mostly food and beverage.

Overview

NPI1992792055
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedOct 4, 2005
Last updated in NPPESJan 21, 2011

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X71259MA

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 (MA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients168
Services billed478 across 16 procedure codes
Paid by Medicare$39,772

Part D prescriptions in 2024

Prescriptions (claims)3,352 · 7,446 30-day fills
Patients226
Total drug cost$133,425
Generic share94% of claims

Medicare sources and data years

Education and affiliations

Medical schoolAlbany Medical College of Union University
Graduation year1987
Medicare specialtyInternal Medicine
TelehealthOffers telehealth

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$18.09 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Bridgebio Pharma, Inc.$18.091

What the 2025 payments were for

  • Food and Beverage$18.09 · 1 payment

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

Other internal medicine physicians in Brockton

All 120 internal medicine physicians in Brockton · All internal medicine physicians in Massachusetts