Kenneth Madsen, MD
NPI 1164412862ActiveIndividual· Surgery, Vascular Surgery· Boise, ID
Surgery, Vascular Surgery (MD) in Boise, Idaho, trained at George Washington University School of Medicine (class of 1993). 367 Medicare patients in 2024, $79,684 paid; nearly all of their 199 Part D prescriptions were generic (93%). W. L. Gore & Associates, Inc. was the largest of 10 companies reporting payments in 2025, $2,023 in all, mostly food and beverage.
Overview
| NPI | 1164412862 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 24, 2005 |
| Last updated in NPPES | Oct 24, 2023 |
| Certified by provider | Oct 24, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery, Vascular Surgery Primary | 2086S0129X | M-12372 | ID |
| Surgery | 208600000X | 6720A | WY |
| Surgery | 208600000X | 2018-01195 | NC |
| Surgery, Vascular Surgery | 2086S0129X | 6720A | WY |
| Surgery, Vascular Surgery | 2086S0129X | ME153722 | FL |
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 - Vascular Surgery (CO); Practitioner - Vascular Surgery (ID) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 367 |
|---|---|
| Services billed | 932 across 95 procedure codes |
| Paid by Medicare | $79,684 |
Part D prescriptions in 2024
| Prescriptions (claims) | 199 · 289 30-day fills |
|---|---|
| Patients | 67 |
| Total drug cost | $14,184 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | George Washington University School of Medicine |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Vascular Surgery |
Medical group
- Saint Alphonsus Regional Medical Center IncBoise, ID · 680 clinicians
Hospital affiliations
- Grande Ronde HospitalLa Grande, OR
- Saint Alphonsus Medical Center - NampaNampa, ID
- Saint Alphonsus Medical Center OntarioOntario, OR
- Saint Alphonsus Regional Medical CenterBoise, ID
Industry payments (Open Payments)
- 2025$2,023 · 24 payments from 10 companies
- 2024$4,201 · 33 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| W. L. Gore & Associates, Inc. | $381.58 | 6 |
| Shockwave Medical, Inc | $364.64 | 3 |
| Stryker Corporation | $346.69 | 4 |
| Medtronic, Inc. | $333.99 | 2 |
| Penumbra, Inc. | $193.11 | 3 |
What the 2025 payments were for
- Food and Beverage$2,023 · 24 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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