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John Allen Key, DO

NPI 1134103732ActiveIndividual· Internal Medicine, Cardiovascular Disease· Wyoming, MI

Internal Medicine, Cardiovascular Disease (DO) in Wyoming, Michigan, trained at At Still University of Health Sciences, College of Osteo Med, Kirksville (class of 1989). Their prescriptions cost Medicare Part D more than their services did: $588,391 for 2,861 claims, against $58,813 paid for services in 2024. Novartis Pharmaceuticals Corporation reported $27.53 in payments in 2025, mostly food and beverage.

Overview

NPI1134103732
StatusActive
Entity typeIndividual
CredentialDO
Sole proprietorNo
NPI issuedDec 6, 2005
Last updated in NPPESFeb 25, 2021
Certified by providerFeb 25, 2021

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Cardiovascular Disease Primary207RC0000X5101010722MI

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 - Cardiovascular Disease (Cardiology) (MI)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients983
Services billed1,680 across 37 procedure codes
Paid by Medicare$58,813

Part D prescriptions in 2024

Prescriptions (claims)2,861 · 7,499 30-day fills
Patients526
Total drug cost$588,391
Generic share83% of claims

Medicare sources and data years

Education and affiliations

Medical schoolAt Still University of Health Sciences, College of Osteo Med, Kirksville
Graduation year1989
Medicare specialtyCardiovascular Disease (Cardiology)
Secondary specialtiesInternal Medicine

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$27.53 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Novartis Pharmaceuticals Corporation$27.531

What the 2025 payments were for

  • Food and Beverage$27.53 · 1 payment

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

Other Internal Medicine, Cardiovascular Disease providers in Wyoming

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