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John J. Warner, MD

NPI 1831291871ActiveIndividual· Radiology, Diagnostic Radiology· Marshfield, WI

Radiology, Diagnostic Radiology (MD) in Marshfield, Wisconsin, trained at University of Wisconsin School of Medicine (class of 1983). Medicare paid $7,596 for services to 167 patients in 2024.

Overview

NPI1831291871
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedSep 1, 2006
Last updated in NPPESSep 10, 2024
Certified by providerSep 10, 2024

Specialties and licenses

TaxonomyCodeLicenseState
Radiology, Diagnostic Radiology Primary2085R0202X28299WI

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 - Diagnostic Radiology (WI)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients167
Services billed207 across 33 procedure codes
Paid by Medicare$7,596

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Wisconsin School of Medicine
Graduation year1983
Medicare specialtyDiagnostic Radiology

Medical groups

Hospital affiliations

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

Other diagnostic radiologists in Marshfield

All 23 diagnostic radiologists in Marshfield · All diagnostic radiologists in Wisconsin