Michael S. Oldenburg, MD
NPI 1770847683ActiveIndividual· Otolaryngology· Green Bay, WI
Otolaryngology (MD) in Green Bay, Wisconsin, trained at University of Wisconsin School of Medicine (class of 2012). 193 Medicare patients in 2024, $58,060 paid; nearly all of their 274 Part D prescriptions were generic (93%). Med-El Corporation was the largest of 2 companies reporting payments in 2025, $2,002 in all, mostly travel and lodging.
Overview
| NPI | 1770847683 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 26, 2012 |
| Last updated in NPPES | Feb 5, 2024 |
| Certified by provider | Feb 5, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Otolaryngology Primary | 207Y00000X | 67254-20 | WI |
| Otolaryngology | 207Y00000X | 56672 | MN |
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 | 193 |
|---|---|
| Services billed | 428 across 63 procedure codes |
| Paid by Medicare | $58,060 |
Part D prescriptions in 2024
| Prescriptions (claims) | 274 · 322 30-day fills |
|---|---|
| Patients | 153 |
| Total drug cost | $5,863 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | University of Wisconsin School of Medicine |
|---|---|
| Graduation year | 2012 |
| Medicare specialty | Otolaryngology |
Medical group
- St Vincent Hospital-Hospital Sisters-Third Order of St FrancisGreen Bay, WI · 603 clinicians
Hospital affiliations
- Door County Medical CenterSturgeon Bay, WI
- St Marys Hospital Medical CtrGreen Bay, WI
- St Vincent HospitalGreen Bay, WI
Industry payments (Open Payments)
- 2025$2,002 · 8 payments from 2 companies
- 2024$202.07 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Med-El Corporation | $1,875 | 7 |
| Cochlear Americas | $127.22 | 1 |
What the 2025 payments were for
- Travel and Lodging$1,598 · 5 payments
- Food and Beverage$404.37 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 16 otolaryngologists in Green Bay · All otolaryngologists in Wisconsin