Skip to content

Zbigniew Thaddeus Lorenc, MD

NPI 1902879380ActiveIndividual· Internal Medicine· Crystal Lake, IL

Internal Medicine (MD) in Crystal Lake, Illinois, trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) (class of 1973). Part D covered 165 prescriptions written in 2024, 93% of them generic. Medtronic, Inc. reported $165.73 in payments in 2025, mostly food and beverage.

Overview

NPI1902879380
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedFeb 8, 2006
Last updated in NPPESOct 19, 2018

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X036054535IL

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 (IL)

Part D prescriptions in 2024

Prescriptions (claims)165 · 440 30-day fills
Patients16
Total drug cost$5,766
Generic share93% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Illinois College of Med (Chi/Peor/Rock/Chm-Urb)
Graduation year1973
Medicare specialtyInternal Medicine

Medical group

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$165.73 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Medtronic, Inc.$165.731

What the 2025 payments were for

  • Food and Beverage$165.73 · 1 payment

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

Other internal medicine physicians in Crystal Lake

All 27 internal medicine physicians in Crystal Lake · All internal medicine physicians in Illinois