Quick answers
- Which hospitals does Steven V. Marx work at?
- Medicare's official clinician data lists Steven V. Marx at 5 hospitals: St Luke's Elmore Medical Center, St Luke's Nampa Medical Center, St Luke's Regional Medical Center, St Luke's Wood River Medical Center and Weiser Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Steven V. Marx see patients?
- Medicare's clinician data lists 7 practice locations, including Boise, ID, Fruitland, ID and Mountain Home, ID. Call before your visit to confirm the address.
- What is Steven V. Marx's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Steven V. Marx accept Medicare assignment?
- Yes. Medicare's clinician data says Steven V. Marx 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.
- What is the phone number for Steven V. Marx?
- (208) 381-2094, as listed in official Medicare / NPI Registry data.
- What is Steven V. Marx's NPI number?
- 1124062799. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Steven V. Marx works
Medicare's Facility Affiliation Data lists Steven V. Marx at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- St Luke's Elmore Medical CenterMountain Home, ID · Critical Access Hospital · CCN 131311
- 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 Luke's Wood River Medical CenterKetchum, ID · Critical Access Hospital · CCN 131323
- Weiser Memorial HospitalWeiser, ID · Critical Access Hospital · CCN 131307
Practice locations
Addresses where Steven V. Marx is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 1000 E Park BlvdBoise, ID 83712 (208) 381‑2094
- 1210 NW 16th StFruitland, ID 83619 (208) 381‑2094
- 190 E Bannock StBoise, ID 83712 (208) 549‑0370
- 600 N Robbins RdBoise, ID 83702 (208) 489‑4940
- 701 E Parkcenter BlvdBoise, ID 83706 (208) 381‑2094
Group practices
Medicare enrollment lists Steven V. Marx as a member of these groups (CMS data updated 2026-10-02).
- Boise Radiology Group PLLC65 clinicians in the group
- Weiser Valley Hospital District60 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Boise
Clinicians with the same Medicare primary specialty in Boise, ID — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Washington School Of Medicine |
| Graduation year | 1994 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1124062799 |
| 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