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Michael C. Adams, MD

NPI 1851383301ActiveIndividual· Internal Medicine· Granite City, IL

Internal Medicine (MD) in Granite City, Illinois, trained at Southern Illinois University School of Medicine (class of 1987). Their prescriptions cost Medicare Part D more than their services did: $1,375,976 for 13,725 claims, against $5,256 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 18 companies reporting payments in 2025, $1,384 in all, mostly food and beverage.

Overview

NPI1851383301
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedAug 19, 2005
Last updated in NPPESMay 14, 2025
Certified by providerMay 14, 2025

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X036093660IL

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 patients114
Services billed138 across 14 procedure codes
Paid by Medicare$5,256

Part D prescriptions in 2024

Prescriptions (claims)13,725 · 31,551 30-day fills
Patients907
Total drug cost$1,375,976
Generic share85% of claims

Medicare sources and data years

Education and affiliations

Medical schoolSouthern Illinois University School of Medicine
Graduation year1987
Medicare specialtyInternal Medicine

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$1,384 · 104 payments from 18 companies
  • 2024$1,106 · 81 payments from 13 companies

Top paying companies in 2025

CompanyAmountPayments
Astrazeneca Pharmaceuticals LP$405.3654
Novo Nordisk Inc$208.0216
Abbvie Inc.$179.0110
Abbott Laboratories$143.581
Pfizer Inc.$77.305

What the 2025 payments were for

  • Food and Beverage$1,384 · 104 payments

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

Other Internal Medicine providers in Granite City

All Internal Medicine providers in Illinois →