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Troy A. Fiddler

Troy A. Fiddler, MD

HematologyHematology OncologyMedical Oncology

Accepting New Patients

Highlights

Age Groups Seen

  • Adult 19-64
  • Older Adult >65

Gender

Male

Hospital Affiliation

  • Holy Rosary Hospital
  • St. Vincent Regional Hospital

About Troy A. Fiddler

About The Provider

Dr. Fiddler is an investigator involved in clinical research trials in the area of medical oncology and hematology. His clinical research focus includes oncology and hematology. 

Locations

  1. St. Vincent Regional Hospital - Cancer Centers of Montana
    • phone: 406-238-6290
    • fax: 406-238-6961

Expertise

Education

  • Fellowship: Dartmouth-Hitchcock Medical Center, Internal Medicine, Hematology & Oncology, 2006
  • Residency: MaineHealth Maine Medical Center, Internal Medicine, 2003
  • Medical School: Oregon Health & Science University School of Medicine, 2000

Board Certifications

  • Medical Oncology: American Board of Internal Medicine, 2006

Insurance

Please contact the doctor's office directly to confirm acceptance of insurance.
Search plans
  • 6 Degrees Health
  • Aetna
  • Alignetworks
  • Allegiance Provider Direct
  • Americas Choice Provider Network
  • Banner Health System
  • BCBS
  • Cigna
  • City of Billings Employee Health Plan
  • Community Health Network
  • FedMed Network
  • First Choice Health Network
  • First Choice of the Midwest
  • First Health/Coventry
  • Fortified Provider Network
  • Humana
  • Humana Medicare Advantage
  • Interwest
  • Logistics Health Incorporated
  • Montana Health Systems
  • Mountain Health Co-op
  • Pacific Steel & Recycling
  • PacificSource
  • Preferred One
  • Sibanye Stillwater Health Partners
  • Three Rivers Provider Network
  • Tricare
  • TriWest
  • United Healthcare
  • VA Montana Health System

Ratings & Reviews

4.9 out of 5

271 ratings, 29 reviews

The Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.

Search reviews
    5 out of 5 stars
    Reviewed on 2/1/2026

    He stays really positive whether it’s good news or bad news which puts my mind at ease.

    5 out of 5 stars
    Reviewed on 1/30/2026

    He’s been very personable and professional

    5 out of 5 stars
    Reviewed on 1/21/2026

    Dr Fiddler has been with me from the start of this horrendous diagnosis. He is pleasant and personable and walks me through every fear or question I may have. I will forever be grateful for him and the help and care he gives and continues to give over the last 3+ years

    4 out of 5 stars
    Reviewed on 1/21/2026

    Dr. Fiddler was always pleasant, courteous and helpful.

    5 out of 5 stars
    Reviewed on 1/17/2026

    He is so knowledgeable and personable. He cares!

    5 out of 5 stars
    Reviewed on 1/6/2026

    Very pleasant and caring

    5 out of 5 stars
    Reviewed on 12/12/2025

    He does a good job with me hebis very knowledgeable

    5 out of 5 stars
    Reviewed on 12/11/2025

    Dr. Fiddler explains things as they are. He is polite and kind.

    5 out of 5 stars
    Reviewed on 12/6/2025

    I like him and he put up with all my joking around.

    5 out of 5 stars
    Reviewed on 11/30/2025

    Dr Fiddler always listens to my concerns and addresses them.

    5 out of 5 stars
    Reviewed on 11/8/2025

    He is an awesome Doctor. His expert opinion on how things would progress were 100% correct, and he has a great sense of humor to boot. A person couldn't ask for a better doctor to be cared for by. Thank you Dr. Fiddler, my daughter and I are so very grateful for your expertise, and kindness.

    5 out of 5 stars
    Reviewed on 11/2/2025

    I would recommend him without reservation and with lots of enthusiasm. He is amazing on every level.

    5 out of 5 stars
    Reviewed on 10/31/2025

    He's a smart man on top of my situation

    4 out of 5 stars
    Reviewed on 10/24/2025

    Satisfied

    5 out of 5 stars
    Reviewed on 10/16/2025

    He is trying hard to serve me he is handling the frustration well !!

    5 out of 5 stars
    Reviewed on 10/6/2025

    He spoke in language a laymen could understand. Very pleasant and even seemed to care about my small cancer issue.

    5 out of 5 stars
    Reviewed on 9/24/2025

    Dr. Fiddler made me feel as if he has been involved with my care from the beginning even hough he was stepping in for Dr. Hool.

    5 out of 5 stars
    Reviewed on 9/5/2025

    Clone him!

    5 out of 5 stars
    Reviewed on 9/1/2025

    Professional knowledgeable caring

    5 out of 5 stars
    Reviewed on 8/29/2025

    He's figuring out the best tr was treatment for my Cancer

    5 out of 5 stars
    Reviewed on 8/23/2025

    Fantastic oncologist great help

    5 out of 5 stars
    Reviewed on 8/4/2025

    Professional knowledgeable caring

    4 out of 5 stars
    Reviewed on 7/26/2025

    Told it as it is & didn't beat around the bush !

    5 out of 5 stars
    Reviewed on 7/12/2025

    Dr Fiddler always takes time with me to check on not only my current needs for my cancer treatment, but my overall health needs.

    5 out of 5 stars
    Reviewed on 7/7/2025

    Professional knowledgeable caring

    5 out of 5 stars
    Reviewed on 6/17/2025

    amazing doctor, positive and makes things happen to help me quickly.

    5 out of 5 stars
    Reviewed on 5/2/2025

    I was pleased with the appointment

    5 out of 5 stars
    Reviewed on 4/23/2025

    He's always an adventure. Knowledgeable, quick witted and a pleasure to interact with him. A man who chose his profession and clearly enjoys it. He made the right choice.

    5 out of 5 stars
    Reviewed on 4/18/2025

    A great provider