Benjamin Joseph Karsten, MD
NPI 1124227137ActiveIndividual· Surgery· Boise, ID
Surgery (MD) in Boise, Idaho, trained at University of Utah School of Medicine (class of 2004). 117 Medicare patients in 2024, $51,327 paid; nearly all of their 133 Part D prescriptions were generic (99%). Intuitive Surgical, Inc. reported $71.64 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1124227137 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 11, 2007 |
| Last updated in NPPES | Mar 3, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | M11376 | ID |
| Surgery | 208600000X | A92800 | CA |
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 - Colorectal Surgery (Proctology) (ID) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 117 |
|---|---|
| Services billed | 227 across 46 procedure codes |
| Paid by Medicare | $51,327 |
Part D prescriptions in 2024
| Prescriptions (claims) | 133 · 150 30-day fills |
|---|---|
| Patients | 61 |
| Total drug cost | $1,305 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | University of Utah School of Medicine |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Colorectal Surgery (Proctology) |
| Telehealth | Offers telehealth |
Medical group
- St Lukes Clinic-Treasure Valley LLCMeridian, ID · 1,173 clinicians
Hospital affiliations
- Saint Alphonsus Regional Medical CenterBoise, ID
- St Luke's Nampa Medical CenterNampa, ID
- St Luke's Regional Medical CenterBoise, ID
- St Lukes Magic Valley Medical CenterTwin Falls, ID
Industry payments (Open Payments)
- 2025$71.64 · 1 payment from 1 company
- 2024$1,916 · 6 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Intuitive Surgical, Inc. | $71.64 | 1 |
What the 2025 payments were for
- Food and Beverage$71.64 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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