Likelihood to Recommend
*Based on patient survey results


"Dr. Koehn is a very kind and caring professional."

"What a terrific doctor! I am so happy to discover Dr. Koehn. So kind, knowledgeable, and helpful."

"Wonderful doctor. She is smart, caring and takes the time to go over any issues during the visit."

"Thankful for Dr. Koehn!"

"Dr. Nerissa is the best. Shows true concern for my well being and talks to me in easy to understand terms."


Downtown Location
500 W. Broadway - 6th Floor
Missoula, MT 59802
Phone: (406) 721-5600
Fax: (406) 329-7524


Harvard Medical School
Johns Hopkins School of Public Health


Tacoma Family Medicine Residency Program, Tacoma WA

Board Certifications

American Board of Family Medicine

Clinical Expertise

Women's Health Care
2024 - Master's in Public Health

More about Dr. Koehn

Dr. Koehn loves caring for people of all ages, including kids and families. She has a particular interest in women's health care.
She recently completed a master's in public health with a focus on maternal child health and global health.
Born and raised in Missoula, Dr. Koehn enjoys many outdoor activities with her husband and their three daughters.