Skip to content

John Joseph Kalenkiewicz, M.D.

NPI 1093706640ActiveIndividual· Internal Medicine· Monroe, MI

Internal Medicine (M.D.) in Monroe, Michigan, trained at University of Michigan Medical School (class of 1986). Their prescriptions cost Medicare Part D more than their services did: $2,009,358 for 13,333 claims, against $167,260 paid for services in 2024. Novo Nordisk Inc was the largest of 10 companies reporting payments in 2025, $464.72 in all, mostly food and beverage.

Overview

NPI1093706640
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorYes
NPI issuedNov 2, 2005
Last updated in NPPESApr 6, 2021
Certified by providerApr 6, 2021

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000XMI4301050330MI

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 (MI)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients295
Services billed3,604 across 35 procedure codes
Paid by Medicare$167,260

Part D prescriptions in 2024

Prescriptions (claims)13,333 · 30,966 30-day fills
Patients653
Total drug cost$2,009,358
Generic share84% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Michigan Medical School
Graduation year1986
Medicare specialtyInternal Medicine
TelehealthOffers telehealth

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$464.72 · 23 payments from 10 companies
  • 2024$505.31 · 26 payments from 10 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$464.72 · 23 payments

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

Other Internal Medicine providers in Monroe

All Internal Medicine providers in Michigan →