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Thomas J. Bartow, MD

NPI 1598865909ActiveIndividual· Internal Medicine, Rheumatology· Marshfield, WI

Internal Medicine, Rheumatology (MD) with Marshfield Clinic Inc, practicing in Marshfield, Wisconsin. Their prescriptions cost Medicare Part D more than their services did: $2,657,104 for 3,171 claims, against $15,870 paid for services in 2024. Lists Marshfield Medical Center as a hospital affiliation.

Overview

NPI1598865909
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedSep 25, 2006
Last updated in NPPESSep 30, 2024
Certified by providerSep 30, 2024

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Rheumatology Primary207RR0500X31515WI

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 - Rheumatology (WI)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients378
Services billed432 across 12 procedure codes
Paid by Medicare$15,870

Part D prescriptions in 2024

Prescriptions (claims)3,171 · 6,753 30-day fills
Patients597
Total drug cost$2,657,104
Generic share85% of claims

Medicare sources and data years

Education and affiliations

Graduation year1980
Medicare specialtyRheumatology
Secondary specialtiesInternal Medicine

Medical group

Hospital affiliation

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

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