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John M. Phelan, MD

NPI 1144271263ActiveIndividual· Internal Medicine, Interventional Cardiology· Madison, WI

Internal Medicine, Interventional Cardiology (MD) in Madison, Wisconsin, trained at University of Rochester School of Medicine and Dentistry (class of 1984). Their prescriptions cost Medicare Part D more than their services did: $894,681 for 3,592 claims, against $174,788 paid for services in 2024. Abbott Laboratories was the largest of 3 companies reporting payments in 2025, $1,303 in all, mostly travel and lodging.

Overview

NPI1144271263
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedMay 13, 2006
Last updated in NPPESNov 11, 2020
Certified by providerNov 11, 2020

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Interventional Cardiology Primary207RI0011X37412-020WI

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 10, 2026No match—
New York OMIG · Nov 10, 2026No match—
Ohio Medicaid · Nov 10, 2026No match—
Pennsylvania Medicheck · Nov 10, 2026No match—
Washington HCA · Nov 10, 2026No match—

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

Medicare

Enrollment (PECOS)Enrolled Practitioner - Interventional Cardiology (WI)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients1,036
Services billed2,139 across 61 procedure codes
Paid by Medicare$174,788

Part D prescriptions in 2024

Prescriptions (claims)3,592 · 9,223 30-day fills
Patients641
Total drug cost$894,681
Generic share87% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Rochester School of Medicine and Dentistry
Graduation year1984
Medicare specialtyInterventional Cardiology
Secondary specialtiesCardiovascular Disease (Cardiology)

Medical groups

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$1,303 · 15 payments from 3 companies
  • 2024$232.59 · 5 payments from 4 companies

Top paying companies in 2025

CompanyAmountPayments
Abbott Laboratories$950.498
Biosense Webster, Inc.$235.015
Medtronic, Inc.$117.012

What the 2025 payments were for

  • Travel and Lodging$844.59 · 4 payments
  • Food and Beverage$457.92 · 11 payments

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

Other Internal Medicine, Interventional Cardiology providers in Madison

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