Markian R. Iwaszko, MD
NPI 1659380939ActiveIndividual· Urology· Grand Rapids, MI
Urology (MD) in Grand Rapids, Michigan, trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) (class of 2005). Their prescriptions cost Medicare Part D more than their services did: $107,694 for 932 claims, against $61,483 paid for services in 2024. Olympus Winter & Ibe Gmbh was the largest of 24 companies reporting payments in 2025, $2,638 in all, mostly food and beverage.
Overview
| NPI | 1659380939 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 5, 2006 |
| Last updated in NPPES | Dec 16, 2025 |
| Certified by provider | Dec 16, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Urology Primary | 208800000X | 4301095939 | MI |
| Urology | 208800000X | 01089840A | IN |
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 - Urology (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 225 |
|---|---|
| Services billed | 1,453 across 79 procedure codes |
| Paid by Medicare | $61,483 |
Part D prescriptions in 2024
| Prescriptions (claims) | 932 · 1,782 30-day fills |
|---|---|
| Patients | 285 |
| Total drug cost | $107,694 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) |
|---|---|
| Graduation year | 2005 |
| Medicare specialty | Urology |
Medical groups
- Bronson Methodist HospitalKalamazoo, MI · 729 clinicians
- Covenant Medical Center, Inc.Saginaw, MI · 480 clinicians
- Bronson Battle Creek HospitalBattle Creek, MI · 193 clinicians
- Sheridan Community HospitalSheridan, MI · 18 clinicians
- Urology Surgeons PCGrand Rapids, MI · 7 clinicians
Hospital affiliations
- Bronson Methodist HospitalKalamazoo, MI
- Mercy Health Saint Mary'sGrand Rapids, MI
- Sheridan Community HospitalSheridan, MI
- Spectrum HealthGrand Rapids, MI
- University of Michigan Health - WestWyoming, MI
Industry payments (Open Payments)
- 2025$2,638 · 65 payments from 24 companies
- 2024$1,033 · 50 payments from 22 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Olympus Winter & Ibe Gmbh | $875.00 | 1 |
| Coloplast Corp | $236.23 | 5 |
| Teleflex LLC | $219.83 | 5 |
| Urogen Pharma, Inc. | $161.21 | 5 |
| Sumitomo Pharma America, Inc. | $146.43 | 6 |
What the 2025 payments were for
- Food and Beverage$1,683 · 62 payments
- Consulting Fee$875.00 · 1 payment
- Education$80.01 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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