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Michael H. Tomasson, MD

NPI 1841216157ActiveIndividual· Internal Medicine, Hematology· Iowa City, IA

Internal Medicine, Hematology (MD) in Iowa City, Iowa, trained at Stanford University School of Medicine (class of 1992). Their prescriptions cost Medicare Part D more than their services did: $188,125 for 69 claims, against $2,011 paid for services in 2024. Janssen Research & Development, LLC reported $35,855 in payments in 2025, mostly consulting fees.

Overview

NPI1841216157
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJul 14, 2006
Last updated in NPPESSep 29, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Hematology Primary207RH0000XMD-43803IA

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 - Hematology (IA); Practitioner - Medical Oncology (MO)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients24
Services billed35 across 1 procedure code
Paid by Medicare$2,011

Part D prescriptions in 2024

Prescriptions (claims)69 · 69 30-day fills
Total drug cost$188,125
Generic share84% of claims

Medicare sources and data years

Education and affiliations

Medical schoolStanford University School of Medicine
Graduation year1992
Medicare specialtyHematology
Secondary specialtiesHematology/Oncology, Internal Medicine

Medical group

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$35,855 · 3 payments from 1 company
  • 2024$15,150 · 2 payments from 1 company

Top paying companies in 2025

CompanyAmountPayments
Janssen Research & Development, LLC$35,8553

What the 2025 payments were for

  • Consulting Fee$35,855 · 3 payments

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

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