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Our Organizational Values

Hopefulness, empathy, compassion, validation, integrity, persistence, friendliness, expertise and a willingness to learn are the organizational values at Life Change Associates.

Our Clinical Staff

Deric Ravsten, DO, FAPA

Deric Ravsten, DO, FAPA

Dr. Ravsten is a native of Southeast Idaho, received his undergraduate degree from Idaho State University, completed medical school at Des Moines University in Iowa and then his Psychiatry Residency at the University of Utah in Salt Lake City.  He is a Board Certified Psychiatrist with a broad range of practice experience including work in outpatient and inpatient clinical settings, working with children, adults and the elderly.  He opened Life Change Associates in 2009 with the commitment of creating a multi-disciplinary team of experts that can deliver evidence-based mental health care that addresses the whole-person – medically, psychologically, emotionally and spiritually.  His professional passion is found in assisting others along the path of recovery, to appreciate and experience the daily process of wellness!

Special interests and expertise include: TMS (Transcranial Magnetic Stimulation), mindfulness skills training (ACT), ketamine-assisted psychotherapy, telepsychiatry, geropsychiatry, ADHD, Schizophrenia and mental health disorders complicated by co-occurring substance use, trauma or personality disorders, and providing individual and group psychotherapy.

Kebai Bills, PA-C

Kebai Bills, PA-C

Board Certified Physician Assistant, Kebai Bills, joined Life Change Associates with the goal of serving the psychiatric field by following her profession passion: to erase the stigma associated with mental illness and simply help people enjoy life to the fullest.

Whether through her work or her teaching, she is passionate about helping her community members through competent and evidence-based medication management of mental illness. Kebai has taught mental health diagnostics and treatments to students in ISU’s physician assistant program for the past many years and continues to do enjoy doing so.

To this practice she brings a wealth of experience in diagnostics of disorders, including bipolar disorders, major depression, schizophrenia and the spectrum of anxiety disorders, as well as substance abuse and dependency. Her practice philosophy includes using interdisciplinary approaches to disease treatment and symptom management.

Kristy Christensen, LCPC

Kristy Christensen, LCPC

Kristy obtained two graduate degrees from Idaho State University. The first, Master of Science, Psychology was prompted by her devotion to understand “why” people do what they do. The second, Master of Counseling, Mental Health, was inspired by her desire to know “how” to help people realize the outcomes they want to achieve. This educational background has assisted her in being able to provide clients with effective and efficient assistance in reaching their goals and helping them to live a more fulfilling life.

Work Experience includes: counseling for adolescents, adults and couples dealing with depression, adjustment, anxiety, anger, violence, communication, addiction, and relationship issues.

Karl Letko, PA-C

Karl Letko, PA-C

Karl Letko PA-C is a Pocatello Native, graduating from Idaho State University with a masters degree in Physician Assistant Studies in 2010. He has two Bachelor’s degrees from ISU in Clinical Laboratory Sciences and Microbiology with Medical Technology emphasis. He joined Life Change Associates in 2015.  Karl has previously worked on the adult and geriatric psychiatry inpatient services at Portneuf Medical Center.

He has a true interest and passion in helping patients and their families to understand and overcome temporary and long term challenges associated with advanced age.

Stephanie Clark, PMHNP

Stephanie Clark, PMHNP

Stephanie Clark is a Board Certified Psychiatric/Mental Health Nurse Practitioner (PMHNP) and has been working in the mental health field for more than 10 years. She has worked in a variety of settings, both inpatient and outpatient. She obtained her bachelors degree in nursing from Idaho State University in 2006 and her Masters of Science in Nursing from the University of Utah in 2011. Stephanie is passionate about helping others to reclaim joy and meaning in their lives.

Danielle Hamill, PA-C

Danielle Hamill is a board certified Physician Assistant who has been working in the field of mental health for over 7 years.  Her experience has included working at State Hospital South and at local mental health clinics in Southeastern Idaho which has helped her to develop her skills and knowledge base.  She has complemented her work experience in various settings by receiving additional certification in psychiatry through the National Commission on Certification of Physician Assistants.  Her experience and training, her drive to be continually learning and improving is a perfect fit with the team of psychiatric professionals at Life Change Associates.

Matt Torbenson, MD

Dr. Torbenson is a third-year psychiatry resident from the University of Utah . He completed his undergraduate degree at Lakeland College and medical school at the Medical College of Wisconsin. He enjoys all areas of psychiatric care, including depression, anxiety, mood disorders and substance use.

Aryssa McBride, LMSW

Aryssa McBride is a Southeast Idaho native, received her undergraduate and graduate degrees in Social work from Idaho State University.  She has an interest in Forensic Social Work.  Before receiving her LMSW, she became licensed and has been working with adult clients with mental health disorders since 2017.   She feels a strong professional commitment to help clients learn skills and tools to improve their quality of life and to recognize their individual strengths.

Courtney Hill, PA-C

Courtney Hill is an Idaho native with a passion for helping individuals of all ages and stages.  She is Nationally Board Certified as a Physician Assistant since 2007 from Idaho State University.  She has worked in both inpatient and outpatient Psychiatric settings in addition to managing a busy full spectrum family medicine practice.  She joined Life Change Associates in 2021 providing virtual care to those needing an initial psychiatric evaluation.  She brings a wealth of specialized medical knowledge related to chronic liver disease, Hepatitis C and providing Opioid Use Disorder treatment.  She is excited join Life Change Associates in their efforts to support patients along their path to wellness in mind, body and spirit.  She is passionate about holistic health and recently obtained her yoga certification and hopes to incorporate breath awareness, social emotional learning and body awareness to all aspects of traditional medicinal treatments.

Tiffany Bascom, LCPC

Tiffany Bascom is a graduate of Idaho State University with a Masters in Counseling and has a wide range of counseling experience working with teenagers and adults.  She has experience treating a wide range of conditions including anxiety, mood, trauma-related and personality disorders.  She is skilled in teaching mindfulness, relaxation and coping skills.  She brings extensive clinical experience and strong professional skills of empathy, active listening, professionalism and commitment along with a passion to help others to feel understood, empowered and confident.

Myla Day, LMSW

Myla Day completed her master degree in social worker at Idaho State University. She was born and raised in rural Idaho which gives her a particular insight into the social problems and cultural influences in our region. She works with a wide variety of mental health disorders and utilizes a person-centered approach. She seeks to assist her clients in finding solutions that will best serve them and build upon their existing strengths. Special focuses include Acceptance and Commitment Therapy and Cognitive-Behavioral Therapy. In her down time, Myla enjoys outdoor adventuring, crafting, and painting.

Our Administrative Staff

Our current administrative staff includes treatment care coordinators who assist with all aspects of scheduling and follow up in our office.  Get to know them as your first point of contact if you need help with refills, changing appointments, medication prior authorizations, reporting questions or concerns about your care between office visits. They will communicate with your clinician promptly and help with communication between you and our clinical staff between appointments.

All of our administrative staff eager take your call and to help as a go-between you and your provider(s) during the workday when our providers are busy seeing other patients. You can submit questions to the administrative support staff through the secure email address:


Florecita – Director of Clinical and Administrative Operations


Matt – Care Coordinator, TMS / Ketamine technician, Phlebotomist


Erika – Assistant Director of Clinical Operations, Lead TMS and Ketamine Technician


Kaely – Care Coordinator, TMS and Ketamine technician


Olivia – Care Coordinator, TMS and Ketamine technician

Marlee Higgins

Marlee Higgins – Care Coordinator, TMS and Ketamine technician