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William Ray Bartley, MD

NPI 1134112097ActiveIndividual· Internal Medicine· Alton, IL

Internal Medicine (MD) in Alton, Illinois, trained at Meharry Medical College School of Medicine (class of 1975). Their prescriptions cost Medicare Part D more than their services did: $779,117 for 7,940 claims, against $61,727 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 6 companies reporting payments in 2025, $382.65 in all, mostly food and beverage.

Overview

NPI1134112097
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedAug 25, 2005
Last updated in NPPESSep 19, 2025
Certified by providerSep 19, 2025

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X036-071248IL

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)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients215
Services billed904 across 48 procedure codes
Paid by Medicare$61,727

Part D prescriptions in 2024

Prescriptions (claims)7,940 · 18,061 30-day fills
Patients486
Total drug cost$779,117
Generic share84% of claims

Medicare sources and data years

Education and affiliations

Medical schoolMeharry Medical College School of Medicine
Graduation year1975
Medicare specialtyInternal Medicine

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$382.65 · 18 payments from 6 companies
  • 2024$457.43 · 25 payments from 8 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$382.65 · 18 payments

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

Other Internal Medicine providers in Alton

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