Mark Ehlers
NPI 1003342866ActiveIndividual· Urology· Milwaukee, WI
Urology in Milwaukee, Wisconsin, trained at University of Wisconsin School of Medicine (class of 2017). Their prescriptions cost Medicare Part D more than their services did: $200,117 for 1,477 claims, against $63,587 paid for services in 2024. Calyxo, Inc. was the largest of 2 companies reporting payments in 2025, $223.60 in all, mostly food and beverage.
Overview
| NPI | 1003342866 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | May 11, 2017 |
| Last updated in NPPES | Dec 5, 2022 |
| Certified by provider | Dec 5, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Urology Primary | 208800000X | 77320 | WI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Urology (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 233 |
|---|---|
| Services billed | 1,695 across 68 procedure codes |
| Paid by Medicare | $63,587 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,477 · 2,992 30-day fills |
|---|---|
| Patients | 360 |
| Total drug cost | $200,117 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | University of Wisconsin School of Medicine |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | Urology |
| Telehealth | Offers telehealth |
Medical group
- Aurora Medical Group, Inc.Milwaukee, WI · 3,813 clinicians
Hospital affiliations
- Aurora Medical CenterGrafton, WI
- Aurora Medical Ctr OshkoshOshkosh, WI
- Aurora St Lukes Medical CenterMilwaukee, WI
- West Allis Memorial HospitalWest Allis, WI
Industry payments (Open Payments)
- 2025$223.60 · 2 payments from 2 companies
- 2024$178.22 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Calyxo, Inc. | $179.32 | 1 |
| Dendreon Pharmaceuticals LLC | $44.28 | 1 |
What the 2025 payments were for
- Food and Beverage$223.60 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Urology providers in Milwaukee
- 1245341973
- 1851798722
- 1629001342
- 1578635801
- 1750787677
- 1336201110
- 1255535324
- 1871782987
- 1730928136
- 1033106877
- 1083769517
- 1336990738