
Highlights
Age Groups Seen
- Adult 19-64
- Older Adult >65
Gender
MaleHospital Affiliation
- St. Vincent Regional Hospital
About Colin B. Fitterer
About The Provider
Video
Locations
- Downtown Clinic - Internal Medicine
- 2900 12th Avenue North, Suite 310W, Billings, MT 59101
- Get Directions
- 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
- 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 reviewsThe 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.
- 5 out of 5 starsReviewed on 2/9/2026
He’s extremely knowledgeable but at the same time compassionate and caring.
- 5 out of 5 starsReviewed on 2/2/2026
Dr. Fitterer explains symptoms, explains treatment options and sincerely cares about his patients.
- 5 out of 5 starsReviewed 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 starsReviewed on 1/19/2026
Just covers all of your questions and follows up with everything
- 5 out of 5 starsReviewed on 1/3/2026
Love my doctor
- 5 out of 5 starsReviewed on 1/1/2026
Listens to me then discuss his plans
- 5 out of 5 starsReviewed on 12/27/2025
Informative
- 5 out of 5 starsReviewed on 12/27/2025
Very attentive and addresses your concerns.
- 5 out of 5 starsReviewed on 12/27/2025
He listens, he cares and he’s very knowledgeable.
- 5 out of 5 starsReviewed 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 starsReviewed on 12/12/2025
Feel he cares and knows his stuff.
- 5 out of 5 starsReviewed on 12/8/2025
Dr Fitterer is always very thorough and you don’t feel rushed.
- 5 out of 5 starsReviewed on 12/8/2025
I like Dr. Fitterer’s research knowledge on many medical questions I had.
- 5 out of 5 starsReviewed 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 starsReviewed on 12/7/2025
I’m always sure my health care is given top priority
- 5 out of 5 starsReviewed on 11/22/2025
Very personal
- 5 out of 5 starsReviewed on 11/22/2025
He’s a good dude.
- 5 out of 5 starsReviewed 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 starsReviewed 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 starsReviewed on 11/10/2025
Best doctor I know!! 😀😀
- 5 out of 5 starsReviewed on 11/8/2025
He is always up tp speed on my situation and is my favorite Dr.
- 5 out of 5 starsReviewed on 11/7/2025
so lucky i have dr. fitterer always has answers to make live healthy
- 5 out of 5 starsReviewed on 11/4/2025
Dr. Fitterer has consistently help me with my health care needs.
- 5 out of 5 starsReviewed on 11/2/2025
My appointment as always went very well. Always very concerned.
- 5 out of 5 starsReviewed on 10/31/2025
He is a very helpful Doctor
- 5 out of 5 starsReviewed on 10/26/2025
Great Job.
- 5 out of 5 starsReviewed 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 starsReviewed 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 starsReviewed on 10/6/2025
He listens. Knows what hes dping as a doctor
- 5 out of 5 starsReviewed 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 starsReviewed on 9/29/2025
Dr Fitterer is most knowledgeable, explains matters and is not arrogant
- 5 out of 5 starsReviewed on 9/28/2025
Colin is a top doc in my opinion.
- 5 out of 5 starsReviewed on 9/25/2025
He very compassionate and caring .
- 5 out of 5 starsReviewed on 9/23/2025
He’s amazing!!
- 5 out of 5 starsReviewed 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 starsReviewed on 8/24/2025
He always responds very well. He explains my problems so l can understand.
- 5 out of 5 starsReviewed on 8/20/2025
He’s easy to talk to and more importantly he listens
- 5 out of 5 starsReviewed on 8/20/2025
A vary good experience.
- 5 out of 5 starsReviewed on 8/18/2025
A very compassionate man. I trust him
- 5 out of 5 starsReviewed 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 starsReviewed 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 starsReviewed on 8/2/2025
I felt like I was his only priority.
- 5 out of 5 starsReviewed 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 starsReviewed 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 starsReviewed on 7/7/2025
Thank You!!
- 5 out of 5 starsReviewed on 6/20/2025
He is a good listener. Explains in layman’s terms. Honest!
- 5 out of 5 starsReviewed on 6/20/2025
Dr Fitterer quickly diagnosed symptoms and explained everything
- 5 out of 5 starsReviewed on 6/20/2025
Great doctor!!
- 5 out of 5 starsReviewed 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 starsReviewed on 5/20/2025
A top doc!
- 5 out of 5 starsReviewed on 5/1/2025
Have used Dr Fitterer from when he came to Billings. Need are always meet.