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Thomas Tackman, MD

NPI 1902802416ActiveIndividual· Internal Medicine· Fort Atkinson, WI

Internal Medicine (MD) in Fort Atkinson, Wisconsin, trained at Medical College of Wisconsin (class of 1988). Their prescriptions cost Medicare Part D more than their services did: $1,111,321 for 14,880 claims, against $420.49 paid for services in 2024.

Overview

NPI1902802416
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJun 21, 2005
Last updated in NPPESDec 17, 2025
Certified by providerDec 17, 2025

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X30509WI

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 patients29
Services billed32 across 10 procedure codes
Paid by Medicare$420.49

Part D prescriptions in 2024

Prescriptions (claims)14,880 · 29,010 30-day fills
Patients948
Total drug cost$1,111,321
Generic share88% of claims

Medicare sources and data years

Education and affiliations

Medical schoolMedical College of Wisconsin
Graduation year1988
Medicare specialtyInternal Medicine
Secondary specialtiesGeneral Surgery

Medical group

Hospital affiliations

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 Fort Atkinson

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