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Christopher R. Green, M.D.

NPI 1568479939ActiveIndividual· Internal Medicine· Alton, IL

Internal Medicine (M.D.) in Alton, Illinois, trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) (class of 1979). Their prescriptions cost Medicare Part D more than their services did: $2,267,676 for 16,842 claims, against $210,362 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 33 companies reporting payments in 2025, $2,503 in all, mostly food and beverage.

Overview

NPI1568479939
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedAug 1, 2006
Last updated in NPPESJun 10, 2016

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X036-064682IL

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 (IL); Practitioner - Internal Medicine (MO)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients434
Services billed3,414 across 63 procedure codes
Paid by Medicare$210,362

Part D prescriptions in 2024

Prescriptions (claims)16,842 · 39,316 30-day fills
Patients976
Total drug cost$2,267,676
Generic share84% 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 specialtyInternal Medicine
TelehealthOffers telehealth

Medical groups

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$2,503 · 143 payments from 33 companies
  • 2024$2,456 · 142 payments from 27 companies

Top paying companies in 2025

CompanyAmountPayments
Astrazeneca Pharmaceuticals LP$256.2521
Lilly USA, LLC$251.8412
Novo Nordisk Inc$246.3914
Corcept Therapeutics$153.626
Pfizer Inc.$140.8113

What the 2025 payments were for

  • Food and Beverage$2,503 · 143 payments

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

Other Internal Medicine providers in Alton

All Internal Medicine providers in Illinois →