Skip to content

Mark A. Greenberger, M.D.

NPI 1174555742ActiveIndividual· Internal Medicine· Highland Park, IL

Internal Medicine (M.D.) in Highland Park, Illinois, trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) (class of 1986). Their prescriptions cost Medicare Part D more than their services did: $965,142 for 6,467 claims, against $205,598 paid for services in 2024. Sumitomo Pharma America, Inc. was the largest of 2 companies reporting payments in 2024, $163.99 in all, mostly food and beverage.

Overview

NPI1174555742
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJul 6, 2006
Last updated in NPPESJul 8, 2007

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X036-076304IL

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 - Internal Medicine (IL)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients320
Services billed3,890 across 51 procedure codes
Paid by Medicare$205,598

Part D prescriptions in 2024

Prescriptions (claims)6,467 · 13,572 30-day fills
Patients447
Total drug cost$965,142
Generic share81% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Illinois College of Med (Chi/Peor/Rock/Chm-Urb)
Graduation year1986
Medicare specialtyInternal Medicine
TelehealthOffers telehealth

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2024$163.99 · 2 payments from 2 companies

Top paying companies in 2024

CompanyAmountPayments
Sumitomo Pharma America, Inc.$124.001
Pfizer Inc.$39.991

What the 2024 payments were for

  • Food and Beverage$124.00 · 1 payment
  • Education$39.99 · 1 payment

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

Other Internal Medicine providers in Highland Park

All Internal Medicine providers in Illinois →