Quick answers
- Which hospitals does Benjamin J. Karsten work at?
- Medicare's official clinician data lists Benjamin J. Karsten at 4 hospitals: Saint Alphonsus Regional Medical Center, St Luke's Nampa Medical Center, St Luke's Regional Medical Center and St Lukes Magic Valley Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Benjamin J. Karsten see patients?
- Medicare's clinician data lists 5 practice locations, including Boise, ID. Call before your visit to confirm the address.
- What is Benjamin J. Karsten's specialty?
- Medicare lists Colorectal Surgery (Proctology) as the primary specialty.
- Does Benjamin J. Karsten accept Medicare assignment?
- Yes. Medicare's clinician data says Benjamin J. Karsten accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Benjamin J. Karsten offer telehealth?
- Medicare's clinician data says Benjamin J. Karsten offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Benjamin J. Karsten?
- (208) 381-2983, as listed in official Medicare / NPI Registry data.
- What is Benjamin J. Karsten's NPI number?
- 1124227137. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Benjamin J. Karsten works
Medicare's Facility Affiliation Data lists Benjamin J. Karsten at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Saint Alphonsus Regional Medical CenterBoise, ID · Acute Care Hospital · CCN 130007
- St Luke's Nampa Medical CenterNampa, ID · Acute Care Hospital · CCN 130071
- St Luke's Regional Medical CenterBoise, ID · Acute Care Hospital · CCN 130006
- St Lukes Magic Valley Medical CenterTwin Falls, ID · Acute Care Hospital · CCN 130002
Practice locations
Addresses where Benjamin J. Karsten is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 E Bannock StBoise, ID 83712 (208) 381‑2983
- 100 E Idaho StBoise, ID 83712
- 190 E Bannock StBoise, ID 83712 (208) 381‑9384
- 608 W Hays StBoise, ID 83702 (208) 381‑5970
- 610 W Hays StBoise, ID 83702
Group practices
Medicare enrollment lists Benjamin J. Karsten as a member of this group (CMS data updated 2026-10-02).
- St Lukes Clinic-Treasure Valley LLC1,173 clinicians in the group
Specialties
Find other Colorectal Surgery (Proctology) doctors in Idaho →
Other colorectal surgeons in Boise
Clinicians with the same Medicare primary specialty in Boise, ID — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Utah School Of Medicine |
| Graduation year | 2004 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1124227137 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians