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Patrick Clinton Fenner, MD

NPI 1588616585ActiveIndividual· Internal Medicine, Cardiovascular Disease· Downers Grove, IL

Internal Medicine, Cardiovascular Disease (MD) in Downers Grove, Illinois, trained at Wayne State University School of Medicine (class of 1989). Their prescriptions cost Medicare Part D more than their services did: $466,226 for 4,598 claims, against $255,105 paid for services in 2024. Edwards Lifesciences Corporation was the largest of 5 companies reporting payments in 2025, $264.35 in all, mostly food and beverage.

Overview

NPI1588616585
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedMay 17, 2006
Last updated in NPPESJul 8, 2025
Certified by providerJul 8, 2025

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Cardiovascular Disease Primary207RC0000X036084061IL

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 - Interventional Cardiology (IL)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients1,217
Services billed3,081 across 36 procedure codes
Paid by Medicare$255,105

Part D prescriptions in 2024

Prescriptions (claims)4,598 · 12,795 30-day fills
Patients501
Total drug cost$466,226
Generic share92% of claims

Medicare sources and data years

Education and affiliations

Medical schoolWayne State University School of Medicine
Graduation year1989
Medicare specialtyInterventional Cardiology
Secondary specialtiesCardiovascular Disease (Cardiology)

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$264.35 · 5 payments from 5 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$264.35 · 5 payments

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

Other Internal Medicine, Cardiovascular Disease providers in Downers Grove

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