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Nathan J. Kopydlowski, M.D.

NPI 1255712741ActiveIndividual· Orthopaedic Surgery· Grafton, WI

Orthopaedic Surgery (M.D.) in Grafton, Wisconsin, trained at University of Michigan Medical School (class of 2015). 281 Medicare patients in 2024, $89,924 paid; all of their 584 Part D prescriptions were generic. Stryker Corporation reported $152.91 in payments in 2025, mostly food and beverage.

Overview

NPI1255712741
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJun 10, 2015
Last updated in NPPESSep 2, 2025
Certified by providerSep 2, 2025

Specialties and licenses

TaxonomyCodeLicenseState
Orthopaedic Surgery Primary207X00000X22741WI

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Oct 9, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 4, 2026No match—
New York OMIG · Nov 4, 2026No match—
Ohio Medicaid · Nov 4, 2026No match—
Pennsylvania Medicheck · Nov 4, 2026No match—
Washington HCA · Nov 4, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Orthopedic Surgery (WI)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients281
Services billed1,897 across 34 procedure codes
Paid by Medicare$89,924

Part D prescriptions in 2024

Prescriptions (claims)584 · 591 30-day fills
Patients240
Total drug cost$2,435
Generic share100% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Michigan Medical School
Graduation year2015
Medicare specialtyOrthopedic Surgery

Medical groups

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$152.91 · 1 payment from 1 company
  • 2024$363.00 · 3 payments from 1 company

Top paying companies in 2025

CompanyAmountPayments
Stryker Corporation$152.911

What the 2025 payments were for

  • Food and Beverage$152.91 · 1 payment

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

Other Orthopaedic Surgery providers in Grafton

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