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Rajinder Mahay, MD

NPI 1669490421ActiveIndividual· Internal Medicine· Granite City, IL

Internal Medicine (MD) with Ahs Il Medical Group LLC, practicing in Granite City, Illinois. Their prescriptions cost Medicare Part D more than their services did: $1,591,054 for 16,593 claims, against $146,438 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 15 companies reporting payments in 2025, $1,010 in all, mostly food and beverage. Lists Anderson Hospital and 2 other hospitals as hospital affiliations.

Overview

NPI1669490421
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJul 18, 2006
Last updated in NPPESJul 8, 2007

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X036088697IL

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 patients400
Services billed2,593 across 33 procedure codes
Paid by Medicare$146,438

Part D prescriptions in 2024

Prescriptions (claims)16,593 · 38,073 30-day fills
Patients925
Total drug cost$1,591,054
Generic share86% of claims

Medicare sources and data years

Education and affiliations

Graduation year1986
Medicare specialtyInternal Medicine
Secondary specialtiesAddiction Medicine

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$1,010 · 56 payments from 15 companies
  • 2024$672.68 · 39 payments from 12 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$1,010 · 56 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 →