Quick answers
- Which hospitals does James Katrivesis work at?
- Medicare's official clinician data lists James Katrivesis 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 UCI Health-Orange. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does James Katrivesis see patients?
- Medicare's clinician data lists 5 practice locations, including Orange, CA, Boise, ID and Meridian, ID. Call before your visit to confirm the address.
- What is James Katrivesis's specialty?
- Medicare lists Interventional Radiology as the primary specialty, and also Diagnostic Radiology.
- Does James Katrivesis accept Medicare assignment?
- Yes. Medicare's clinician data says James Katrivesis 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 James Katrivesis offer telehealth?
- Medicare's clinician data says James Katrivesis offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for James Katrivesis?
- (714) 456-7004, as listed in official Medicare / NPI Registry data.
- What is James Katrivesis's NPI number?
- 1851687008. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where James Katrivesis works
Medicare's Facility Affiliation Data lists James Katrivesis 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
- UCI Health-OrangeOrange, CA · Acute Care Hospital · CCN 050348
Practice locations
Addresses where James Katrivesis is enrolled with Medicare (CMS data updated 2026-10-02).
- 101 the City Dr SOrange, CA 92868 (714) 456‑7004
- 190 E Bannock StBoise, ID 83712 (208) 381‑2094
- 3277 E Louise Dr, Suite 150Meridian, ID 83642 (208) 706‑8346
- 608 W Hays StBoise, ID 83702 (208) 381‑5970
- 610 W Hays StBoise, ID 83702
Group practices
Medicare enrollment lists James Katrivesis as a member of these groups (CMS data updated 2026-10-02).
- St Lukes Clinic-Treasure Valley LLC1,173 clinicians in the group
- UC Regents108 clinicians in the group
- Boise Radiology Group PLLC65 clinicians in the group
Specialties
- Interventional Radiologyprimary
- Diagnostic Radiologyalso
Other interventional radiologists in Orange
Clinicians with the same Medicare primary specialty in Orange, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, Irvine, California College Of Medicine |
| Graduation year | 2011 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1851687008 |
| 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