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Grzegorz S. Nowakowski, M.D.

NPI 1629040076ActiveIndividual· Internal Medicine, Hematology· Rochester, MN

Internal Medicine, Hematology (M.D.) with Mayo Clinic, practicing in Rochester, Minnesota. Their prescriptions cost Medicare Part D more than their services did: $616,390 for 120 claims, against $91,685 paid for services in 2024. E.R. Squibb & Sons, L.L.C. was the largest of 8 companies reporting payments in 2025, $66,151 in all, mostly consulting fees. Lists Mayo Clinic Hospital Rochester as a hospital affiliation.

Overview

NPI1629040076
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedFeb 1, 2006
Last updated in NPPESAug 19, 2020
Certified by providerAug 19, 2020

Specialties and licenses

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 (MN)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients145
Services billed5,788 across 34 procedure codes
Paid by Medicare$91,685

Part D prescriptions in 2024

Prescriptions (claims)120 · 130 30-day fills
Patients30
Total drug cost$616,390
Generic share69% of claims

Medicare sources and data years

Education and affiliations

Graduation year1998
Medicare specialtyHematology
Secondary specialtiesHematology/Oncology, Internal Medicine

Medical group

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$66,151 · 39 payments from 8 companies
  • 2024$61,163 · 37 payments from 11 companies

Top paying companies in 2025

What the 2025 payments were for

  • Consulting Fee$63,038 · 11 payments
  • Travel and Lodging$1,935 · 9 payments
  • Food and Beverage$894.86 · 18 payments
  • Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$284.01 · 1 payment

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

Other Internal Medicine, Hematology providers in Rochester

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