Mark Washburn, DO
NPI 1154901353ActiveIndividual· Family Medicine· Eau Claire, WI
Family Medicine (DO) with Oakleaf Clinics Inc, practicing in Eau Claire, Wisconsin. Their prescriptions cost Medicare Part D more than their services did: $27,964 for 438 claims, against $8,822 paid for services in 2024. Novo Nordisk Inc was the largest of 2 companies reporting payments in 2025, $138.40 in all, mostly food and beverage. Lists Oakleaf Surgical Hospital as a hospital affiliation.
Overview
| NPI | 1154901353 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Apr 12, 2021 |
| Last updated in NPPES | Sep 2, 2026 |
| Certified by provider | Sep 2, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 81034-21 | WI |
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 (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 63 |
|---|---|
| Services billed | 210 across 47 procedure codes |
| Paid by Medicare | $8,822 |
Part D prescriptions in 2024
| Prescriptions (claims) | 438 · 855 30-day fills |
|---|---|
| Patients | 97 |
| Total drug cost | $27,964 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Family Practice |
Medical group
- Oakleaf Clinics IncRice Lake, WI · 103 clinicians
Hospital affiliation
- Oakleaf Surgical HospitalAltoona, WI
Other facilities
- Aveanna Home HealthHome health agency · Eau Claire, WI
Industry payments (Open Payments)
- 2025$138.40 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $106.02 | 2 |
| Abbvie Inc. | $32.38 | 1 |
What the 2025 payments were for
- Food and Beverage$138.40 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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