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Marwan A. Mustaklem

NPI 1750357513ActiveIndividual· Internal Medicine· Fishers, IN

Internal Medicine with Eventus Ecs, Inc and 1 other group, practicing in Fishers, Indiana. Their prescriptions cost Medicare Part D more than their services did: $6,804,140 for 89,884 claims, against $573,340 paid for services in 2024. Lilly USA, LLC was the largest of 3 companies reporting payments in 2025, $3,403 in all, mostly consulting fees. Lists Henry County Memorial Hospital and 4 other hospitals as hospital affiliations.

Overview

NPI1750357513
StatusActive
Entity typeIndividual
Sole proprietorNo
NPI issuedFeb 23, 2006
Last updated in NPPESJun 5, 2026
Certified by providerJun 5, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X01060426AIN

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 - Internal Medicine (IN); Practitioner - Internal Medicine (KY); Practitioner - Internal Medicine (OH)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients1,812
Services billed11,297 across 21 procedure codes
Paid by Medicare$573,340

Part D prescriptions in 2024

Prescriptions (claims)89,884 · 90,872 30-day fills
Patients2,172
Total drug cost$6,804,140
Generic share83% of claims

Medicare sources and data years

Education and affiliations

Graduation year1995
Medicare specialtyInternal Medicine
TelehealthOffers telehealth

Medical groups

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$3,403 · 8 payments from 3 companies
  • 2024$15.45 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Lilly USA, LLC$3,2615
Sun Pharmaceutical Industries Inc.$120.042
Pfizer Inc.$22.021

What the 2025 payments were for

  • Consulting Fee$3,150 · 3 payments
  • Food and Beverage$219.34 · 4 payments
  • Travel and Lodging$33.60 · 1 payment

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

Other Internal Medicine providers in Fishers

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