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Family Practice

William J. Arban, MD

Works at hospitals in Jamestown, ND · Watertown, SD · North Dakota, South Dakota

Summary

William J. Arban, MD (Family Practice) is listed by Medicare at 2 hospitals in Jamestown, ND and Watertown, SD. NPI 1174565188. 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 William J. Arban, 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

Family PracticePrimary specialty
YesAccepts Medicare assignment
40Years since medical school (graduated 1986)
MaleGender (as listed)

Quick answers

Which hospitals does William J. Arban work at?
Medicare's official clinician data lists William J. Arban at 2 hospitals: Jamestown Regional Medical Center and Prairie Lakes Healthcare System, Inc. This is where the clinician works or has privileges; call the hospital to confirm.
Where does William J. Arban see patients?
Medicare's clinician data lists 1 practice location in Bozeman, MT. Call before your visit to confirm the address.
What is William J. Arban's specialty?
Medicare lists Family Practice as the primary specialty.
Does William J. Arban accept Medicare assignment?
Yes. Medicare's clinician data says William J. Arban 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 William J. Arban's NPI number?
1174565188. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where William J. Arban works

Medicare's Facility Affiliation Data lists William J. Arban 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 William J. Arban is enrolled with Medicare (CMS data updated 2026-10-02).

  • 915 Highland BlvdBozeman, MT 59715

Specialties

Find other Family Practice doctors in Montana →

Other family doctors in Bozeman

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

All family doctors in Bozeman →

Clinician information

CredentialMD
Graduation year1986
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1174565188
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