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Dr. James Armstrong, MD

Dr. James Armstrong, MD

Age 58 Family Medicine M
(1) 1 reviews


Dr. James Armstrong, MD is a family medicine specialist in Missoula, MT. Dr. Armstrong completed a residency at Mayo Clinic Hospital. He currently practices at Costcare Pllc and is affiliated with Billings Clinic Broadwater. He accepts multiple insurance plans.


  • Mayo Clinic Hospital, Residency Hospital — 1998
  • Sacred Heart Medical Center, Internship Hospital — 1996
  • University of Vermont / College of Medicine, Medical School — 1995

Insurance Accepted

  • Aetna
  • Blue Cross Blue Shield
  • Cigna
  • MultiPlan

* Please verify this information when scheduling an appointment.


  1. Practice

    1. 1
      Costcare Pllc
      2819 Great Northern Loop, Missoula, MT 59808 Existing Patients: (406) 541-3046
    2. 2
      Costcare Pllc
      2910 Prospect Ave, Helena, MT 59601 Existing Patients: (406) 324-7003

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Dr. James Armstrong, MD
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Frequently Asked Questions

Dr. Armstrong frequently treats Cancer Screening, Hepatitis C Virus Screening, and Prostate Cancer Screening .  

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Hospital Affiliations

  • Billings Clinic Broadwater