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Thomas G. Wimmer, MD

NPI 1083725097ActiveIndividual· Internal Medicine· Tualatin, OR

Internal Medicine (MD) with Kaiser Foundation Health Plan of the Northwest, practicing in Tualatin, Oregon. 144 Medicare patients in 2024, $24,131 paid; nearly all of their 123 Part D prescriptions were generic (96%). Abbott Laboratories was the largest of 2 companies reporting payments in 2024, $139.33 in all, mostly food and beverage.

Overview

NPI1083725097
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedAug 31, 2006
Last updated in NPPESOct 22, 2025
Certified by providerOct 22, 2025

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000XMD152492OR
Hospitalist208M00000XMD60063843WA
Internal Medicine, Rheumatology207RR0500XMD152492OR
Hospitalist208M00000XMD152492OR

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 (OR); Practitioner - Internal Medicine (WA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients144
Services billed279 across 9 procedure codes
Paid by Medicare$24,131

Part D prescriptions in 2024

Prescriptions (claims)123 · 163 30-day fills
Patients38
Total drug cost$1,968
Generic share96% of claims

Medicare sources and data years

Education and affiliations

Graduation year1998
Medicare specialtyInternal Medicine
Secondary specialtiesRheumatology

Medical group

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2024$139.33 · 2 payments from 2 companies

Top paying companies in 2024

CompanyAmountPayments
Abbott Laboratories$123.921
Genentech USA, Inc.$15.411

What the 2024 payments were for

  • Food and Beverage$139.33 · 2 payments

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

Other internal medicine physicians in Tualatin

All 52 internal medicine physicians in Tualatin · All internal medicine physicians in Oregon