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Mark Rabbat, MD

NPI 1114191327ActiveIndividual· Internal Medicine, Cardiovascular Disease· Maywood, IL

Internal Medicine, Cardiovascular Disease (MD) with Loyola University Medical Center, practicing in Maywood, Illinois. Their prescriptions cost Medicare Part D more than their services did: $379,799 for 1,885 claims, against $129,617 paid for services in 2024. Heartflow, Inc. was the largest of 3 companies reporting payments in 2025, $167,996 in all, mostly speaking and faculty fees. Lists Loyola Gottlieb Memorial Hospital and 4 other hospitals as hospital affiliations.

Overview

NPI1114191327
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorYes
NPI issuedApr 17, 2008
Last updated in NPPESSep 27, 2012

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Cardiovascular Disease Primary207RC0000X036119915IL
Internal Medicine207R00000XAC2895437U13OH

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 - Cardiovascular Disease (Cardiology) (IL)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients1,054
Services billed1,790 across 30 procedure codes
Paid by Medicare$129,617

Part D prescriptions in 2024

Prescriptions (claims)1,885 · 4,938 30-day fills
Patients296
Total drug cost$379,799
Generic share82% of claims

Medicare sources and data years

Education and affiliations

Graduation year2005
Medicare specialtyCardiovascular Disease (Cardiology)

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$167,996 · 93 payments from 3 companies
  • 2024$95,823 · 67 payments from 5 companies

Top paying companies in 2025

CompanyAmountPayments
Heartflow, Inc.$126,17777
E.R. Squibb & Sons, L.L.C.$38,86715
Elucid Bioimaging Inc$2,9521

What the 2025 payments were for

  • Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$142,109 · 20 payments
  • Travel and Lodging$17,693 · 46 payments
  • Consulting Fee$6,352 · 6 payments
  • Food and Beverage$1,842 · 21 payments

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

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