John A. Zernia, MD
NPI 1124022728ActiveIndividual· Emergency Medicine· La Crosse, WI
Emergency Medicine (MD) in La Crosse, Wisconsin, trained at Medical College of Wisconsin (class of 1985). Part D covered 38 prescriptions written in 2024, 97% of them generic. Takeda Pharmaceuticals U.S.A., Inc. reported $35,860 in payments in 2025, mostly consulting fees.
Overview
| NPI | 1124022728 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 10, 2005 |
| Last updated in NPPES | Jun 21, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 27859 | WI |
| Emergency Medicine, Emergency Medical Services | 207PE0004X | 27859 | 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 - Emergency Medicine (WI) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 38 · 43 30-day fills |
|---|---|
| Patients | 25 |
| Total drug cost | $244.86 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | Medical College of Wisconsin |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Emergency Medicine |
| Secondary specialties | Internal Medicine |
Medical group
- Gundersen Lutheran Medical Center IncLa Crosse, WI · 895 clinicians
Hospital affiliation
- Gundersen Tri-County Hospital & ClinicsWhitehall, WI
Industry payments (Open Payments)
- 2025$35,860 · 11 payments from 1 company
- 2024$38,520 · 12 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Takeda Pharmaceuticals U.S.A., Inc. | $35,860 | 11 |
What the 2025 payments were for
- Consulting Fee$35,860 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 75 emergency medicine physicians in La Crosse · All emergency medicine physicians in Wisconsin