Michael John Rentzepis, MD
NPI 1184603037ActiveIndividual· Urology· Eau Claire, WI
Urology (MD) in Eau Claire, Wisconsin, trained at Columbia University College of Physicians and Surgeons (class of 1990). 336 Medicare patients in 2024, $61,296 paid; nearly all of their 875 Part D prescriptions were generic (97%).
Overview
| NPI | 1184603037 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 10, 2006 |
| Last updated in NPPES | Sep 14, 2020 |
| Certified by provider | Sep 14, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Urology Primary | 208800000X | 39683 | 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 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 336 |
|---|---|
| Services billed | 812 across 60 procedure codes |
| Paid by Medicare | $61,296 |
Part D prescriptions in 2024
| Prescriptions (claims) | 875 · 1,604 30-day fills |
|---|---|
| Patients | 267 |
| Total drug cost | $20,393 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | Columbia University College of Physicians and Surgeons |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Urology |
| Telehealth | Offers telehealth |
Medical group
- Mayo Clinic Health System-Northwest Wisconsin Region IncEau Claire, WI · 802 clinicians
Hospital affiliations
- Mayo Clinic Health System Chippewa ValleyBloomer, WI
- Mayo Clinic Health System Eau Claire HospitalEau Claire, WI
- Mayo Clinic Health System OakridgeOsseo, WI
- Mayo Clinic Health System-NorthlandBarron, WI
- Mayo Clinic Health System-Red Cedar IncMenomonie, 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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