
Mark F. Garnaas, MD
Obstetrics and Gynecology
Highlights
Age Groups Seen
- Adult 19-64
Gender
MaleHospital Affiliation
- St. James Hospital
About Mark F. Garnaas
About The Provider
Originally from Missoula, Montana, Dr. Garnaas is committed to providing excellent care to the women of Butte and the surrounding communities. Dr. Garnaas attended Stanford University for his undergraduate studies. He earned his medical degree from the University of Washington School of Medicine after which, he completed an ob-gyn residency there as well. Board certified by the American Board of Obstetrics and Gynecology, Dr. Garnaas has been in practice for more than three decades. His clinical interests include general women’s health, pelvic prolapse and abnormal bleeding.
“I am passionate about making sure women get the most up-to-date care with dignity and respect. My patients should never feel rushed and should expect to be well informed at the end of their visits with me.”
When not seeing patients, Dr. Garnaas enjoys spending time with his family hiking, skiing, biking and traveling.
Video
Locations
- Butte Clinic - OB-GYN
- 305 West Porphyry Street, Suite 200, Butte, MT 59701
- Get Directions
- phone: 406-496-3627
- fax: 406-723-2493
- Ruby Valley Clinic -OB-GYN Outreach
- 321 Madison Street, Sheridan, MT 59749
- Get Directions
- phone: 406-496-3627
- fax: 406-723-2495
- Anaconda Clinic - OB-GYN Outreach
- 110 Oak Street, Anaconda, MT 59711
- Get Directions
- phone: 406-563-0771
- Butte Flats Clinic - OB-GYN Outreach
- 3636 Harrison Avenue, Butte, MT 59701
- Get Directions
- phone: 406-496-3627
- fax: 406-723-2495
- Centennial Clinic - OB-GYN Outreach
- 445 Centennial Avenue, Butte, MT 59701
- Get Directions
- phone: 406-723-4075
- Butte Clinic - Peds Specialty
- 435 S Clark Street Ste 300, Butte, MT 59701
- Get Directions
- phone: 406-237-5300
- fax: 406-237-5305
Expertise
Education
- Residency: University of Washington School of Medicine, Obstetrics & Gynecology, 1990
- Medical School: University of Washington School of Medicine, 1986
Board Certifications
- Obstetrics and Gynecology: American Board of Obstetrics and Gynecology, 1992
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
4.9 out of 5
89 ratings, 7 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 12/12/2025
Dr Garnaas is amazing and cares so much, he knew I was miserable and helped me make the decision to make things better for me!!!
- 5 out of 5 starsReviewed on 11/15/2025
He is great at listening and explaining stuff in a way I can understand.
- 5 out of 5 starsReviewed on 10/5/2025
He seems like a decent provider.
- 5 out of 5 starsReviewed on 9/30/2025
He took my concerns seriously, wasn't dismissive, and offered me several directions for care. Extremely kind, extremely easy to talk to.
- 5 out of 5 starsReviewed on 9/6/2025
He told me he would look into providers who could do my surgery since Butte does not have a urologist, and he did the next day and sent me a message.
- 5 out of 5 starsReviewed on 8/26/2025
He is amazing. Traveled from Missoula.
- 5 out of 5 starsReviewed on 6/29/2025
Rare to find a doctor these days that listens.