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Allen Jerome Rosenbaum, MD

NPI 1508862368ActiveIndividual· Internal Medicine, Gastroenterology· Des Plaines, IL

Internal Medicine, Gastroenterology (MD) in Des Plaines, Illinois, trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) (class of 1979). 92 Medicare patients in 2024, $87,182 paid; nearly all of their 275 Part D prescriptions were generic (91%). Medtronic, Inc. was the largest of 18 companies reporting payments in 2025, $1,565 in all, mostly food and beverage.

Overview

NPI1508862368
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJun 24, 2005
Last updated in NPPESNov 27, 2023
Certified by providerNov 27, 2023

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Gastroenterology Primary207RG0100X036060818IL

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 4, 2026No match—
New York OMIG · Nov 4, 2026No match—
Ohio Medicaid · Nov 4, 2026No match—
Pennsylvania Medicheck · Nov 4, 2026No match—
Washington HCA · Nov 4, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Gastroenterology (IL)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients92
Services billed3,886 across 21 procedure codes
Paid by Medicare$87,182

Part D prescriptions in 2024

Prescriptions (claims)275 · 441 30-day fills
Patients109
Total drug cost$12,837
Generic share91% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Illinois College of Med (Chi/Peor/Rock/Chm-Urb)
Graduation year1979
Medicare specialtyGastroenterology
Secondary specialtiesInternal Medicine
TelehealthOffers telehealth

Medical group

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$1,565 · 49 payments from 18 companies
  • 2024$1,709 · 63 payments from 20 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$1,565 · 49 payments

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

Other Internal Medicine, Gastroenterology providers in Des Plaines

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