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Mark John Dehnel

NPI 1578548947ActiveIndividual· Physician Assistant· Denmark, WI

Physician Assistant with Bellin Memorial Hospital Inc and 1 other group, practicing in Denmark, Wisconsin. Their prescriptions cost Medicare Part D more than their services did: $631,366 for 6,353 claims, against $25,135 paid for services in 2024. Lists Bellin Memorial Hospital as a hospital affiliation.

Overview

NPI1578548947
StatusActive
Entity typeIndividual
Sole proprietorNo
NPI issuedDec 8, 2005
Last updated in NPPESMay 13, 2021
Certified by providerMay 13, 2021

Specialties and licenses

TaxonomyCodeLicenseState
Physician Assistant Primary363A00000X991WI

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 - Physician Assistant (WI)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients125
Services billed401 across 36 procedure codes
Paid by Medicare$25,135

Part D prescriptions in 2024

Prescriptions (claims)6,353 · 14,338 30-day fills
Patients506
Total drug cost$631,366
Generic share86% of claims

Medicare sources and data years

Education and affiliations

Graduation year1997
Medicare specialtyPhysician Assistant

Medical groups

Hospital affiliation

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

None reported for 2025 or 2024.

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