Skip to content

Karen E. Hansen, MD

NPI 1316914492ActiveIndividual· Internal Medicine, Rheumatology· Appleton, WI

Internal Medicine, Rheumatology (MD) in Appleton, Wisconsin, trained at University of Wisconsin School of Medicine (class of 1993). Their prescriptions cost Medicare Part D more than their services did: $2,359,328 for 1,877 claims, against $41,311 paid for services in 2024.

Overview

NPI1316914492
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedMar 7, 2006
Last updated in NPPESOct 19, 2022
Certified by providerOct 19, 2022

Specialties and licenses

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 - Rheumatology (WI)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients335
Services billed761 across 38 procedure codes
Paid by Medicare$41,311

Part D prescriptions in 2024

Prescriptions (claims)1,877 · 3,393 30-day fills
Patients367
Total drug cost$2,359,328
Generic share79% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Wisconsin School of Medicine
Graduation year1993
Medicare specialtyRheumatology
TelehealthOffers telehealth

Medical group

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 rheumatologists in Appleton

All rheumatologists in Wisconsin