Skip to content

Marie-Claire Maroun, MD

NPI 1942250501ActiveIndividual· Internal Medicine, Rheumatology· Holyoke, MA

Internal Medicine, Rheumatology (MD) with Rutgers Health-Rwj Scleroderma Program, practicing in Holyoke, Massachusetts. Their prescriptions cost Medicare Part D more than their services did: $322,252 for 250 claims, against $12,606 paid for services in 2024. Glaxosmithkline, LLC. reported $770.29 in payments in 2025, mostly consulting fees. Lists Robert Wood Johnson University Hospital and 1 other hospital as hospital affiliations.

Overview

NPI1942250501
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedMay 12, 2006
Last updated in NPPESJul 21, 2022

Specialties and licenses

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 - Rheumatology (MA); Practitioner - Rheumatology (NJ)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients45
Services billed165 across 16 procedure codes
Paid by Medicare$12,606

Part D prescriptions in 2024

Prescriptions (claims)250 · 443 30-day fills
Patients47
Total drug cost$322,252
Generic share84% of claims

Medicare sources and data years

Education and affiliations

Graduation year1999
Medicare specialtyRheumatology
TelehealthOffers telehealth

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$770.29 · 2 payments from 1 company
  • 2024$4,787 · 5 payments from 1 company

Top paying companies in 2025

CompanyAmountPayments
Glaxosmithkline, LLC.$770.292

What the 2025 payments were for

  • Consulting Fee$650.00 · 1 payment
  • Food and Beverage$120.29 · 1 payment

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

Other rheumatologists in Holyoke

All rheumatologists in Massachusetts