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Nancy Gryniewicz, M.D.

NPI 1558368043ActiveIndividual· Family Medicine· Oak Park, IL

Family Medicine (M.D.) with Dynamic Physical Therapy, Inc. and 1 other group, practicing in Oak Park, Illinois. Their prescriptions cost Medicare Part D more than their services did: $861,790 for 4,850 claims, against $177,452 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 20 companies reporting payments in 2025, $2,552 in all, mostly food and beverage. Lists Loyola Gottlieb Memorial Hospital and 4 other hospitals as hospital affiliations.

Overview

NPI1558368043
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorYes
NPI issuedJun 30, 2005
Last updated in NPPESMay 24, 2022
Certified by providerMay 24, 2022

Specialties and licenses

TaxonomyCodeLicenseState
Family Medicine Primary207Q00000X036089707IL

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 - Family Practice (IL)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients166
Services billed4,117 across 49 procedure codes
Paid by Medicare$177,452

Part D prescriptions in 2024

Prescriptions (claims)4,850 · 12,307 30-day fills
Patients377
Total drug cost$861,790
Generic share82% of claims

Medicare sources and data years

Education and affiliations

Graduation year1994
Medicare specialtyFamily Practice

Medical groups

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$2,552 · 127 payments from 20 companies
  • 2024$3,282 · 152 payments from 22 companies

Top paying companies in 2025

CompanyAmountPayments
Astrazeneca Pharmaceuticals LP$548.0829
Novo Nordisk Inc$327.9115
Pfizer Inc.$279.5713
Glaxosmithkline, LLC.$274.1214
Abbvie Inc.$204.4512

What the 2025 payments were for

  • Food and Beverage$2,552 · 127 payments

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

Other family medicine physicians in Oak Park

All 100 family medicine physicians in Oak Park · All family medicine physicians in Illinois