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Maria Beg, MD

NPI 1992974703ActiveIndividual· Internal Medicine· Mequon, WI

Internal Medicine (MD) with Froedtert Andthe Medical College of Wisconsin Community Physicians Inc, practicing in Mequon, Wisconsin. Their prescriptions cost Medicare Part D more than their services did: $229,913 for 3,197 claims, against $38,805 paid for services in 2024. Exact Sciences Corporation reported $18.36 in payments in 2025, mostly food and beverage. Lists Ascension Columbia St Marys Hospital Milwaukee and 3 other hospitals as hospital affiliations.

Overview

NPI1992974703
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedFeb 26, 2008
Last updated in NPPESDec 2, 2022
Certified by providerDec 2, 2022

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X51701WI

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 (WI)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients198
Services billed462 across 35 procedure codes
Paid by Medicare$38,805

Part D prescriptions in 2024

Prescriptions (claims)3,197 · 6,667 30-day fills
Patients320
Total drug cost$229,913
Generic share87% of claims

Medicare sources and data years

Education and affiliations

Graduation year2002
Medicare specialtyInternal Medicine
TelehealthOffers telehealth

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$18.36 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Exact Sciences Corporation$18.361

What the 2025 payments were for

  • Food and Beverage$18.36 · 1 payment

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

Other internal medicine physicians in Mequon

All 27 internal medicine physicians in Mequon · All internal medicine physicians in Wisconsin