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John P. Marenco, M.D.

NPI 1669441374ActiveIndividual· Internal Medicine, Clinical Cardiac Electrophysiology· Springfield, MA

Internal Medicine, Clinical Cardiac Electrophysiology (M.D.) in Springfield, Massachusetts, trained at Georgetown University School of Medicine (class of 1995). Their prescriptions cost Medicare Part D more than their services did: $1,075,749 for 2,134 claims, against $364,194 paid for services in 2024. Abbott Laboratories was the largest of 11 companies reporting payments in 2025, $1,592 in all, mostly food and beverage.

Overview

NPI1669441374
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedMar 15, 2006
Last updated in NPPESJun 28, 2021
Certified by providerJun 24, 2021

Specialties and licenses

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 - Cardiac Electrophysiology (CT); Practitioner - Cardiac Electrophysiology (MA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients1,697
Services billed7,441 across 70 procedure codes
Paid by Medicare$364,194

Part D prescriptions in 2024

Prescriptions (claims)2,134 · 5,360 30-day fills
Patients435
Total drug cost$1,075,749
Generic share72% of claims

Medicare sources and data years

Education and affiliations

Medical schoolGeorgetown University School of Medicine
Graduation year1995
Medicare specialtyCardiac Electrophysiology
Secondary specialtiesCardiovascular Disease (Cardiology)

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$1,592 · 38 payments from 11 companies
  • 2024$5,064 · 60 payments from 11 companies

Top paying companies in 2025

CompanyAmountPayments
Abbott Laboratories$684.3712
Boston Scientific Corporation$302.095
Medtronic, Inc.$134.764
Biotronik Inc.$113.221
Pfizer Inc.$93.484

What the 2025 payments were for

  • Food and Beverage$1,592 · 38 payments

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

Other Internal Medicine, Clinical Cardiac Electrophysiology providers in Springfield

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