Kathriena Loreanna Greenwell, M.D.
NPI 1215382411ActiveIndividual· Surgery· La Crosse, WI
Surgery (M.D.) with Gundersen Lutheran Medical Center Inc, practicing in La Crosse, Wisconsin. 117 Medicare patients in 2024, $54,747 paid; nearly all of their 117 Part D prescriptions were generic (99%). Baxter Healthcare was the largest of 3 companies reporting payments in 2025, $167.65 in all, mostly food and beverage. Lists Gundersen Lutheran Medical Center as a hospital affiliation.
Overview
| NPI | 1215382411 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 26, 2016 |
| Last updated in NPPES | Apr 7, 2025 |
| Certified by provider | Apr 7, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | 83356 | WI |
| Surgery | 208600000X | 35.142549 | OH |
| Surgery | 208600000X | 22994 | MN |
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 - General Surgery (MN); Practitioner - General Surgery (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 117 |
|---|---|
| Services billed | 268 across 51 procedure codes |
| Paid by Medicare | $54,747 |
Part D prescriptions in 2024
| Prescriptions (claims) | 117 · 132 30-day fills |
|---|---|
| Patients | 45 |
| Total drug cost | $2,091 |
| Generic share | 99% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | General Surgery |
Medical group
- Gundersen Lutheran Medical Center IncLa Crosse, WI · 895 clinicians
Hospital affiliation
- Gundersen Lutheran Medical CenterLa Crosse, WI
Industry payments (Open Payments)
- 2025$167.65 · 3 payments from 3 companies
- 2024$461.73 · 7 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Baxter Healthcare | $95.78 | 1 |
| Conmed Corporation | $39.88 | 1 |
| Medtronic, Inc. | $31.99 | 1 |
What the 2025 payments were for
- Food and Beverage$167.65 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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