Mark W. Mewissen, MD
NPI 1417064999ActiveIndividual· Radiology, Diagnostic Radiology· Milwaukee, WI
Radiology, Diagnostic Radiology (MD) in Milwaukee, Wisconsin, trained at University of Chicago, Pritzker School of Medicine (class of 1983). 138 Medicare patients in 2024, $22,292 paid; all of their 168 Part D prescriptions were generic. Endologix LLC was the largest of 5 companies reporting payments in 2025, $705.23 in all, mostly food and beverage.
Overview
| NPI | 1417064999 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 23, 2006 |
| Last updated in NPPES | Mar 7, 2023 |
| Certified by provider | Nov 23, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Diagnostic Radiology Primary | 2085R0202X | 28722 | 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 - Interventional Radiology (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 138 |
|---|---|
| Services billed | 240 across 35 procedure codes |
| Paid by Medicare | $22,292 |
Part D prescriptions in 2024
| Prescriptions (claims) | 168 · 439 30-day fills |
|---|---|
| Patients | 59 |
| Total drug cost | $1,399 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | University of Chicago, Pritzker School of Medicine |
|---|---|
| Graduation year | 1983 |
| Medicare specialty | Interventional Radiology |
| Secondary specialties | Diagnostic Radiology |
Medical group
- Aurora Medical Group, Inc.Milwaukee, WI · 3,813 clinicians
Hospital affiliations
- Aurora Medical CenterGrafton, WI
- Aurora St Lukes Medical CenterMilwaukee, WI
Industry payments (Open Payments)
- 2025$705.23 · 6 payments from 5 companies
- 2024$3,015 · 26 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Endologix LLC | $386.18 | 2 |
| W. L. Gore & Associates, Inc. | $195.53 | 1 |
| Shape Memory Medical Inc. | $72.81 | 1 |
| Teleflex LLC | $33.99 | 1 |
| Ge Healthcare | $16.72 | 1 |
What the 2025 payments were for
- Food and Beverage$705.23 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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