John Jackson III, DO
NPI 1992850036ActiveIndividual· Family Medicine· Tomah, WI
Family Medicine (DO) with Gundersen Clinic Ltd and 2 other groups, practicing in Tomah, Wisconsin. Part D covered 284 prescriptions written in 2024, 93% of them generic. Pfizer Inc. was the largest of 2 companies reporting payments in 2025, $50.18 in all, mostly food and beverage. Lists Mercyone Clinton Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1992850036 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Jan 25, 2007 |
| Last updated in NPPES | Dec 16, 2025 |
| Certified by provider | Dec 16, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 13156 | WI |
| Family Medicine | 207Q00000X | 05-48753 | KS |
| Family Medicine | 207Q00000X | 268 | NE |
| Family Medicine | 207Q00000X | DO159668 | OR |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Family Practice (AZ); Practitioner - Family Practice (CO); Practitioner - Family Practice (IA); Practitioner - Family Practice (MS); Practitioner - Family Practice (WI) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 284 · 419 30-day fills |
|---|---|
| Patients | 50 |
| Total drug cost | $15,350 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 1987 |
|---|---|
| Medicare specialty | Family Practice |
Medical groups
- Gundersen Clinic LtdOnalaska, WI · 418 clinicians
- Mercy Specialty ClinicClinton, IA · 65 clinicians
- Northwest Miss Regional Medical CenterClarksdale, MS · 20 clinicians
Hospital affiliations
- Mercyone Clinton Medical CenterClinton, IA
- Tomah Memorial HospitalTomah, WI
Industry payments (Open Payments)
- 2025$50.18 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $30.88 | 2 |
| Biogen, Inc. | $19.30 | 1 |
What the 2025 payments were for
- Food and Beverage$50.18 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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