Mason Gordon Fisher, M.D.
NPI 1245452549ActiveIndividual· Surgery, Surgical Critical Care· La Crosse, WI
Surgery, Surgical Critical Care (M.D.) in La Crosse, Wisconsin, trained at Ohio State University College of Medicine (class of 2003). Mostly services rather than prescriptions: Medicare paid $16,656 for 76 patients in 2024, with only 14 Part D claims.
Overview
| NPI | 1245452549 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 3, 2007 |
| Last updated in NPPES | Mar 26, 2026 |
| Certified by provider | Mar 26, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery, Surgical Critical Care Primary | 2086S0102X | 55044 | WI |
| Surgery | 208600000X | 55044 | 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 - Critical Care (Intensivists) (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 76 |
|---|---|
| Services billed | 134 across 44 procedure codes |
| Paid by Medicare | $16,656 |
Part D prescriptions in 2024
| Prescriptions (claims) | 14 · 28 30-day fills |
|---|---|
| Total drug cost | $2,919 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | Ohio State University College of Medicine |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Critical Care (Intensivists) |
| Secondary specialties | General Surgery |
Medical group
- Gundersen Lutheran Medical Center IncLa Crosse, WI · 895 clinicians
Hospital affiliations
- Gundersen Boscobel Area Hospital and ClinicsBoscobel, WI
- Gundersen Lutheran Medical CenterLa Crosse, WI
- Vernon Memorial HospitalViroqua, 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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