John J. Nash, M.D.
NPI 1225117245ActiveIndividual· Otolaryngology· Fond Du Lac, WI
Otolaryngology (M.D.) in Fond Du Lac, Wisconsin, trained at Medical College of Wisconsin (class of 2006). 176 Medicare patients in 2024, $40,781 paid; nearly all of their 469 Part D prescriptions were generic (90%).
Overview
| NPI | 1225117245 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Nov 2, 2006 |
| Last updated in NPPES | Dec 15, 2020 |
| Certified by provider | Dec 15, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Otolaryngology Primary | 207Y00000X | 50889 | 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 | 176 |
|---|---|
| Services billed | 433 across 39 procedure codes |
| Paid by Medicare | $40,781 |
Part D prescriptions in 2024
| Prescriptions (claims) | 469 · 761 30-day fills |
|---|---|
| Patients | 187 |
| Total drug cost | $21,191 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Medical College of Wisconsin |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Otolaryngology |
Medical group
- Agnesian Healthcare IncWaupun, WI · 388 clinicians
Hospital affiliation
- Ssm Health St Agnes Hospital-Fond Du LacFond Du Lac, 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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