Ian Joseph Koszewski, M.D.
NPI 1073872032ActiveIndividual· Otolaryngology· Madison, WI
Otolaryngology (M.D.) in Madison, Wisconsin, trained at Medical College of Wisconsin (class of 2012). Their prescriptions cost Medicare Part D more than their services did: $75,056 for 288 claims, against $48,105 paid for services in 2024. Medtronic, Inc. was the largest of 2 companies reporting payments in 2025, $219.46 in all, mostly food and beverage.
Overview
| NPI | 1073872032 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 11, 2012 |
| Last updated in NPPES | Jan 11, 2021 |
| Certified by provider | Jan 11, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Otolaryngology Primary | 207Y00000X | 61623 | 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 - Otolaryngology (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 170 |
|---|---|
| Services billed | 497 across 44 procedure codes |
| Paid by Medicare | $48,105 |
Part D prescriptions in 2024
| Prescriptions (claims) | 288 · 396 30-day fills |
|---|---|
| Patients | 113 |
| Total drug cost | $75,056 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Medical College of Wisconsin |
|---|---|
| Graduation year | 2012 |
| Medicare specialty | Otolaryngology |
| Telehealth | Offers telehealth |
Medical group
- University of Wisconsin Medical Foundation IncMadison, WI · 2,553 clinicians
Hospital affiliations
- Unitypoint Health - MeriterMadison, WI
- University of Wi Hospitals & Clinics AuthorityMadison, WI
Industry payments (Open Payments)
- 2025$219.46 · 3 payments from 2 companies
- 2024$309.58 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $116.74 | 1 |
| Aerin Medical Inc. | $102.72 | 2 |
What the 2025 payments were for
- Food and Beverage$182.64 · 2 payments
- Travel and Lodging$36.82 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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