Staff

Meet Our Team

You would join the women's health team at Butte Clinic - OB-GYN, located at 305 West Porphyry Street, Suite 200, in Butte. The practice includes two OB/GYN physicians and one physician assistant, with PRN OB/GYN and Maternal-Fetal Medicine physicians providing additional support.

With three providers in the clinic, you would work directly with every member of the team on patient care, hospital coverage, and practice growth.

Team Snapshot

Physicians

Mark F. Garnaas, MD

• Board certified by the American Board of Obstetrics and Gynecology
• Medical degree and OB/GYN residency at the University of Washington School of Medicine
• In practice for more than three decades
• Clinical interests include general women's health, pelvic prolapse, and abnormal bleeding

Kathleen Lewison, MD

• Board certified by the American Board of Obstetrics and Gynecology
• Medical degree and OB/GYN residency at the University of Maryland

Advanced Practice Provider

Taisha M. Sharon, PA

• Board-certified physician assistant specializing in obstetrics and gynecology
• Graduate of the University of Utah Physician Assistant Program
• Provides well-woman exams, cancer screening, and pregnancy and postpartum care
• Assists in gynecologic and obstetric surgeries

Hospital Affiliation

All three providers are affiliated with St. James Hospital, where the practice performs its deliveries and surgeries.