Clinic Services

Our Behavioral Health Team

Tammi Anderson
Manager of Behavioral Health

Schooling: Montana State University – Billings, undergraduate and master’s degrees

Joined staff:  2018

Medical interests: Supporting patients in their mental health needs

Outside interests:  Hiking, walking, reading, beading

Brittany Christofferson

Schooling: Montana State University Billings, B.S. in Human Services, 2008

Joined staff:  2020

Medical interests: Connecting with individuals who struggle with addiction and linking them to resources to assist in moving forward in a positive direction.

Outside interests: Spending time with my husband and children, road trips, walking, boating and skiing.

Chris Faulkner

Schooling: Montana State University Billings, Masters of Education & Masters of Science
Undergraduate: University of Wyoming, Laramie
Joined Staff: 2018
Medical Interests: Living with disabilities, which include a spectrum of medical and mental health conditions.
Outside interests: Exploring historical sites, museums, music, hiking, movies and collectibles.

Sandi Karr
Director of Behavioral Health

Schooling: Graduate degree, Montana State University Billings

Undergraduate degree, Montana State University Billings

Board certification: Licensed Clinical Professional Counselor and Licensed Addiction Counselor

Date joined staff: 2010

Special medical/professional interests:  Sandi is dually licensed making her specialty in treating patients with co-occurring psychiatric and substance use disorders.  She has focused her work on integrating behavioral health services in the primary care setting.

Outside interests:  Exploring off-roading trails in the Jeep.  Reading and watching television episodes on Chef Anthony Bourdain’s culinary adventures.   The opportunity to try food from different cultures excites her.  She loves having cooking competitions with her daughters – especially if she gets to be the judge.

Tiffany Kent

Schooling: Walla Walla University, Walla Walla, Wash., master of social work. Northwest University, Kirkland, Wash., bachelor of science in psychology.

Joined staff: 2021

Outside interests: Singing, shopping, working out and spending quality time with loved ones. I have two pet bunnies, Crimson and Clover.

Dawn Leslie

Schooling: AA, Rehabilitation and Related Services, Montana State University Billings

Undergraduate: B.A. Criminal Justice, Montana State University Billings

Date joined staff:  2015

Medical interests:  Alcohol and drug addictions in both adults and adolescents

Outside interests:  Being outdoors, hiking, swimming, snowboarding and camping. Love traveling and meeting new people. Enjoy running, sports, yoga, and any kind of physical activity.

Karla Maslowski

Schooling: B.S. Montana State University, Billings

Joined staff: 2019

Medical interests: Sharing knowledge to help improve other people’s lives

Outside interests:  Hiking and walking

Brandi McFerran

Schooling: M.S. Eastern Washington University, Cheney

Undergraduate: B.A. Whitworth University, Spokane, Wash.

Joined staff: 2021

Medical interests: Trauma-informed care, child and adult mental health

Outside interests:  Hiking, travel, movies, coffee, board games, art

Angela Montez

Schooling: Master’s in Rehabilitation and Mental Health Counseling, Montana State University, Billings

Undergraduate: B.A in chemical dependency, Montana State University, Billings

Joined staff:  2019

Medical interests:   Working with individuals who struggle with co-occurring disorders including mental health and substance abuse. Trauma informed care, adverse childhood experiences, depression and anxiety

Outside interests:  Spending time with family, friends and her dogs. Exercise, reading, writing, traveling and eating great food

Jamie Peterson

Schooling: Bachelor of Social Work (BSW); University of Grand Forks, N.D.
Joined staff:  2017
Medical interests:   Helping adults and adolescents with addressing their addiction and issues surrounding their addiction.
Outside interests:  Enjoy spending time with my children, grandchildren and family.  Love playing with my dogs and enjoying the outdoors in any form.

W. John Wessell

Schooling: D. Min Counseling and M. Min. Christian/Pastoral Counseling, Andersonville Theological Seminary, Camilla, Ga.
Advanced Graduate Study, Counselor Education and Educational Psychology Mississippi State University, Starkville, Miss.
M.S. in Rehabilitation Counseling, Montana State University-Billings
B.S. in Psychology/Sociology, Montana State University-Billings
Joined staff: 2014
Medical interests: Theophostic counseling, homelessness, life stories and transitions.
Outside interests: Road trips, exercise, sports, reading, music, old stuff

Karen Wilcox


Schooling:  Master of Education – Counseling, Montana State University Billings

Undergraduate: Bachelor of Arts, Sociology, Cum Laude, Montana State University Billings
Joined staff: 2018

Medical interests:   Working with individuals struggling with both mental health and addiction and the opportunity to walk alongside individuals on their journey to healing/recovery.

Outside interests:  Hiking, biking, walking, perennial herb and flower gardening, road trips with friends and family, hand-piecing and hand quilting.

Krystal Kuka-Yazzie

Schooling: MS in Mental Health Counseling from Capella University, Minneapolis, MN

B.A., Sociology with Criminology emphasis, University of Montana, Missoula


Joined staff:  2019

Medical interests:   Working with children, adults, and families to help them deal with mental health issues, trauma, addictions, and maladaptive behaviors. All of which allows them to build a better family system, a more positive outlook on life, and gives them hope

Outside interests:  Traveling, spending time with friends and family, hiking/running, watching my favorite television shows, and eating at new restaurants