Darren Knox, M.D.
NPI 1558892869ActiveIndividual· Internal Medicine· La Crosse, WI
Internal Medicine (M.D.) with Gundersen Lutheran Medical Center Inc and 1 other group, practicing in La Crosse, Wisconsin. In 2024 Medicare paid $31,803 for 204 patients, and Part D covered 448 of their prescriptions, 86% of them generic. Lists Gundersen Lutheran Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1558892869 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Mar 27, 2017 |
| Last updated in NPPES | Sep 30, 2020 |
| Certified by provider | Sep 30, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 73501 | WI |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Internal Medicine (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 204 |
|---|---|
| Services billed | 468 across 13 procedure codes |
| Paid by Medicare | $31,803 |
Part D prescriptions in 2024
| Prescriptions (claims) | 448 · 610 30-day fills |
|---|---|
| Patients | 101 |
| Total drug cost | $37,772 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Gundersen Lutheran Medical Center IncLa Crosse, WI · 895 clinicians
- St Josephs Health Services IncHillsboro, WI · 81 clinicians
Hospital affiliations
- Gundersen Lutheran Medical CenterLa Crosse, WI
- Gundersen Moundview Hospital and ClinicsFriendship, WI
- Vernon Memorial HospitalViroqua, WI
- Veterans Memorial HospitalWaukon, IA
- WinnmedDecorah, IA
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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All 114 internal medicine physicians in La Crosse · All internal medicine physicians in Wisconsin