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Diagnostic Radiology

James Tarver, MD

Works at hospitals in Great Falls, MT · Townsend, MT · Bozeman, MT … · Montana

Summary

James Tarver, MD (Diagnostic Radiology) is listed by Medicare at 5 hospitals in Great Falls, MT, Townsend, MT and Bozeman, MT and other places. NPI 1821062399. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about James Tarver, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Diagnostic RadiologyPrimary specialty
YesAccepts Medicare assignment
33Years since medical school (graduated 1993)
Uniformed Services Uhs Fe Hebert School Of MedMedical school
MaleGender (as listed)
St Peters HealthGroup practice

Quick answers

Which hospitals does James Tarver work at?
Medicare's official clinician data lists James Tarver at 5 hospitals: Benefis Hospitals Inc, Billings Clinic Broadwater, Bozeman Health Deaconess Hospital, Mountainview Medical Center and St Peters Health. This is where the clinician works or has privileges; call the hospital to confirm.
Where does James Tarver see patients?
Medicare's clinician data lists 1 practice location in Helena, MT. Call before your visit to confirm the address.
What is James Tarver's specialty?
Medicare lists Diagnostic Radiology as the primary specialty.
Does James Tarver accept Medicare assignment?
Yes. Medicare's clinician data says James Tarver 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 James Tarver?
(406) 447-2828, as listed in official Medicare / NPI Registry data.
What is James Tarver's NPI number?
1821062399. 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 Tarver works

Medicare's Facility Affiliation Data lists James Tarver at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where James Tarver is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists James Tarver as a member of this group (CMS data updated 2026-10-02).

  • St Peters Health199 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in Montana →

Other radiologists in Helena

Clinicians with the same Medicare primary specialty in Helena, MT — not a recommendation.

All radiologists in Helena →

Clinician information

CredentialMD
Medical schoolUniformed Services Uhs Fe Hebert School Of Med
Graduation year1993
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1821062399
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians