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
| NPI | 1316914492 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 7, 2006 |
| Last updated in NPPES | Oct 19, 2022 |
| Certified by provider | Oct 19, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | 35580 | WI |
| Internal Medicine | 207R00000X | 35580 | WI |
| Internal Medicine, Endocrinology, Diabetes & Metabolism | 207RE0101X | 35580 | WI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Rheumatology (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 335 |
|---|---|
| Services billed | 761 across 38 procedure codes |
| Paid by Medicare | $41,311 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,877 · 3,393 30-day fills |
|---|---|
| Patients | 367 |
| Total drug cost | $2,359,328 |
| Generic share | 79% of claims |
Education and affiliations
| Medical school | University of Wisconsin School of Medicine |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Rheumatology |
| Telehealth | Offers telehealth |
Medical group
- The Monroe Clinic, Inc.Monroe, WI · 199 clinicians
Hospital affiliations
- The Monroe ClinicMonroe, WI
- Unitypoint Health - MeriterMadison, WI
- University of Wi Hospitals & Clinics AuthorityMadison, WI
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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