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Brett A. Barkimer, M.D.

NPI 1255540134ActiveIndividual· Internal Medicine· Menomonee Falls, WI

Internal Medicine (M.D.) in Menomonee Falls, Wisconsin, trained at Indiana University School of Medicine (class of 2004). Their prescriptions cost Medicare Part D more than their services did: $449,193 for 5,046 claims, against $22,052 paid for services in 2024.

Overview

NPI1255540134
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedMay 21, 2007
Last updated in NPPESNov 25, 2022
Certified by providerNov 21, 2022

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X51103-020WI
Pediatrics208000000X51103WI

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 patients111
Services billed350 across 23 procedure codes
Paid by Medicare$22,052

Part D prescriptions in 2024

Prescriptions (claims)5,046 · 12,274 30-day fills
Patients386
Total drug cost$449,193
Generic share88% of claims

Medicare sources and data years

Education and affiliations

Medical schoolIndiana University School of Medicine
Graduation year2004
Medicare specialtyInternal Medicine
Secondary specialtiesPediatric Medicine
TelehealthOffers telehealth

Medical group

Hospital affiliation

Other facilities

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 providers in Menomonee Falls

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