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Karen Elizabeth Mayer, M.D.

NPI 1760596621ActiveIndividual· Internal Medicine· Garner, NC

Internal Medicine (M.D.) in Garner, North Carolina, trained at University of Virginia School of Medicine (class of 1992). Their prescriptions cost Medicare Part D more than their services did: $711,362 for 11,197 claims, against $49,549 paid for services in 2024. Boston Scientific Corporation was the largest of 3 companies reporting payments in 2025, $71.51 in all, mostly food and beverage.

Overview

NPI1760596621
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedAug 18, 2006
Last updated in NPPESJul 8, 2007

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X95-00663NC

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 (NC)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients258
Services billed1,122 across 28 procedure codes
Paid by Medicare$49,549

Part D prescriptions in 2024

Prescriptions (claims)11,197 · 27,509 30-day fills
Patients617
Total drug cost$711,362
Generic share90% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Virginia School of Medicine
Graduation year1992
Medicare specialtyInternal Medicine

Medical groups

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$71.51 · 3 payments from 3 companies
  • 2024$62.27 · 3 payments from 2 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$71.51 · 3 payments

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

Other Internal Medicine providers in Garner

All Internal Medicine providers in North Carolina →