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John Berry, MD

NPI 1194702795ActiveIndividual· Internal Medicine, Hematology & Oncology· Berwyn, IL

Internal Medicine, Hematology & Oncology (MD) in Berwyn, Illinois, licensed in IL, with an NPI issued in December 2005. Their prescriptions cost Medicare Part D more than their services did: $4,314,279 for 1,205 claims, against $24,842 paid for services in 2024. Daiichi Sankyo Inc. was the largest of 5 companies reporting payments in 2025, $88,561 in all, mostly speaking and faculty fees.

Overview

NPI1194702795
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorYes
NPI issuedDec 27, 2005
Last updated in NPPESMar 31, 2021
Certified by providerMar 31, 2021

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Hematology & Oncology Primary207RH0003X036092197IL

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 - Hematology/Oncology (IL)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients207
Services billed525 across 7 procedure codes
Paid by Medicare$24,842

Part D prescriptions in 2024

Prescriptions (claims)1,205 · 2,091 30-day fills
Patients231
Total drug cost$4,314,279
Generic share71% of claims

Medicare sources and data years

Industry payments (Open Payments)

  • 2025$88,561 · 77 payments from 5 companies
  • 2024$76,005 · 72 payments from 7 companies

Top paying companies in 2025

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$53,865 · 15 payments
  • Compensation for serving as faculty or as a speaker for a medical education program$23,595 · 9 payments
  • Travel and Lodging$6,455 · 24 payments
  • Consulting Fee$2,680 · 4 payments
  • Food and Beverage$1,966 · 25 payments

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

Other Internal Medicine, Hematology & Oncology providers in Berwyn

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