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Colin B. Fitterer

Colin B. Fitterer, MD

Internal Medicine

Sees Existing Patients
Need help scheduling? Call 406-238-6900

Highlights

Age Groups Seen

  • Adult 19-64
  • Older Adult >65

Gender

Male

Hospital Affiliation

  • St. Vincent Regional Hospital

About Colin B. Fitterer

About The Provider

Dr. Colin Fitterer is an outpatient internist originally from Forsyth, Montana. He specializes in primary care for adults, and looks forward to lifelong learning. Dr. Fitterer was drawn to St. Vincent Healthcare because of their leadership in quality care, and special focus on serving the poor and vulnerable. He appreciates continuity of care, and the opportunity to get to know patients on a personal level as a healthcare advocate.

Video

Locations

  1. Downtown Clinic - Internal Medicine
    • phone: 406-238-6900
    • fax: 406-238-6939

Expertise

Education

  • Residency: Mayo School of Graduate Medical Education, Internal Medicine, 2015
  • Medical School: University of North Dakota School of Medicine, 2012

Board Certifications

  • Internal Medicine: American Board of Internal Medicine, 2015

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

4.8 out of 5

465 ratings, 51 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 2/9/2026

    He’s extremely knowledgeable but at the same time compassionate and caring.

    5 out of 5 stars
    Reviewed on 2/2/2026

    Dr. Fitterer explains symptoms, explains treatment options and sincerely cares about his patients.

    5 out of 5 stars
    Reviewed on 1/29/2026

    Dr. Fitterer is always great at listening and showing genuine care for me as a patient. He is polite, direct, and willing to engage in whatever conversations may be needed to ensure that appropriate care is provided. I have referred multiple people to him who all say the same.

    5 out of 5 stars
    Reviewed on 1/19/2026

    Just covers all of your questions and follows up with everything

    5 out of 5 stars
    Reviewed on 1/3/2026

    Love my doctor

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

    Listens to me then discuss his plans

    5 out of 5 stars
    Reviewed on 12/27/2025

    Informative

    5 out of 5 stars
    Reviewed on 12/27/2025

    Very attentive and addresses your concerns.

    5 out of 5 stars
    Reviewed on 12/27/2025

    He listens, he cares and he’s very knowledgeable.

    5 out of 5 stars
    Reviewed on 12/25/2025

    He is compassionate, a great listener, and he really cares about you as his patient and as a person! He is a great doctor

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

    Feel he cares and knows his stuff.

    5 out of 5 stars
    Reviewed on 12/8/2025

    Dr Fitterer is always very thorough and you don’t feel rushed.

    5 out of 5 stars
    Reviewed on 12/8/2025

    I like Dr. Fitterer’s research knowledge on many medical questions I had.

    5 out of 5 stars
    Reviewed on 12/8/2025

    Dr Fitterer always answers all my questions and is very responsive when I need to involve other physicians in my health care decisions

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

    I’m always sure my health care is given top priority

    5 out of 5 stars
    Reviewed on 11/22/2025

    Very personal

    5 out of 5 stars
    Reviewed on 11/22/2025

    He’s a good dude.

    5 out of 5 stars
    Reviewed on 11/21/2025

    Dr. Fitterer is an exceptional doctor. He listened to my concerns and provided answers to my questions.

    5 out of 5 stars
    Reviewed on 11/18/2025

    DR Fitterer Is a very good doctor. And has helped me out alot with my health issues.

    5 out of 5 stars
    Reviewed on 11/10/2025

    Best doctor I know!! 😀😀

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

    He is always up tp speed on my situation and is my favorite Dr.

    5 out of 5 stars
    Reviewed on 11/7/2025

    so lucky i have dr. fitterer always has answers to make live healthy

    5 out of 5 stars
    Reviewed on 11/4/2025

    Dr. Fitterer has consistently help me with my health care needs.

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

    My appointment as always went very well. Always very concerned.

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

    He is a very helpful Doctor

    5 out of 5 stars
    Reviewed on 10/26/2025

    Great Job.

    5 out of 5 stars
    Reviewed on 10/22/2025

    Dr Fitterer is a very good Doctor. And has help me out a lot with my medical needs.

    3 out of 5 stars
    Reviewed on 10/20/2025

    When i first started with Dr. Fitterer he was very thorough . The past couple visits not so much, but short handed and very busy guy.

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

    He listens. Knows what hes dping as a doctor

    5 out of 5 stars
    Reviewed on 9/30/2025

    It was my second meeting with Dr. Fitterer and was much more relaxed and personable than the first which was basically two strangers meeting for the first time. This was better than I had anticipated and I appreciate it.

    5 out of 5 stars
    Reviewed on 9/29/2025

    Dr Fitterer is most knowledgeable, explains matters and is not arrogant

    5 out of 5 stars
    Reviewed on 9/28/2025

    Colin is a top doc in my opinion.

    5 out of 5 stars
    Reviewed on 9/25/2025

    He very compassionate and caring .

    5 out of 5 stars
    Reviewed on 9/23/2025

    He’s amazing!!

    5 out of 5 stars
    Reviewed on 8/26/2025

    He listened to my concerns and explained in terms I understood. I did not feel rushed, nor did I feel that he was rushing me to get my appointment over with.

    5 out of 5 stars
    Reviewed on 8/24/2025

    He always responds very well. He explains my problems so l can understand.

    5 out of 5 stars
    Reviewed on 8/20/2025

    He’s easy to talk to and more importantly he listens

    5 out of 5 stars
    Reviewed on 8/20/2025

    A vary good experience.

    5 out of 5 stars
    Reviewed on 8/18/2025

    A very compassionate man. I trust him

    5 out of 5 stars
    Reviewed on 8/16/2025

    Impressed he was prepared to address my concerns before entering the room and then walk me and my son through the days ahead with a clearer picture.

    4 out of 5 stars
    Reviewed on 8/3/2025

    My time was short, but I became aware that he reviewed my records before I visited with him. It was a medicare yearly checkup. He listened to my heart, and asked if I had concerns.

    5 out of 5 stars
    Reviewed on 8/2/2025

    I felt like I was his only priority.

    5 out of 5 stars
    Reviewed on 8/1/2025

    Dr. Fitterer is always compassionate and he listens when I tell him what's going on with me. He is just an amazing doctor

    5 out of 5 stars
    Reviewed on 7/10/2025

    Always listens to what I have to say and takes the time to listen not in a hurry. He is compassionate to my feelings and explains things very well.

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

    Thank You!!

    5 out of 5 stars
    Reviewed on 6/20/2025

    He is a good listener. Explains in layman’s terms. Honest!

    5 out of 5 stars
    Reviewed on 6/20/2025

    Dr Fitterer quickly diagnosed symptoms and explained everything

    5 out of 5 stars
    Reviewed on 6/20/2025

    Great doctor!!

    5 out of 5 stars
    Reviewed on 6/13/2025

    Dr. Fitterer is clearly respected as he often has a student working with him. These students have an excellent mentor.

    5 out of 5 stars
    Reviewed on 5/20/2025

    A top doc!

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

    Have used Dr Fitterer from when he came to Billings. Need are always meet.