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Area Offices

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Mark Goering - LSCSW

Mark is a Licensed Specialist Clinical Social Worker who graduated with his Masters degree in Social Work from Newman University in 2011.  He also attended Bethel College in Newton, KS where he earned his Bachelors of Arts degree in Social Work.  Mark has many years of experience working in the inpatient, outpatient and community settings which began in July 2001.  His area of specialty is working with adults 18+ whom have experienced a traumatic event(s), living with PTSD, any anxiety disorder(s), and/or Major Depressive Disorder.  Mark utilizes a variety of therapeutic modalities to assist in clients achieving their goals including EMDR, Cognitive Behavioral Therapy, Narrative Therapy, Solution Focused Brief Therapy, Mindfulness, and Strengths Based modalities.

Leatanya Koppa - LPC

Leatanya Koppa is a Licensed Professional Counselor who received her Bachelors in Family Studies and Human Services from Kansas State University and her Masters in Counseling from Northern Arizona University.  She is licensed by the states of Kansas and Arizona.  Leatanya has worked as a counselor in the states of Kansas and Arizona for over 10 years.  Leatanya prefers the use of Brief/Solution Focused Therapy and Dialectical Behavioral Therapy (DBT) with children, adolescents and adults.  Previous experience includes individual therapy, family therapy, groups, case management and adoptions.

Sara Lewton - LMLP

Sara is a graduate from Fort Hays State University in Hays KS, with a Master’s degree in Clinical Psychology. Sara is licensed with the Behavioral Sciences Regulatory Board with the state of Kansas as a Licensed Master Level Psychologist. Sara has been employed at Horizons Mental Health Center since 2004 providing therapeutic service. She has experience working with children, adults, and families.

Audrey Martin - LMFT

Audrey received her Masters in Science in Marriage and Family Therapy from Friends University.  She is a member of the American Association of Marriage and Family Therapy.  She enjoys working with children, teens, and adults of all ages.  She is certified in play therapy and often uses play techniques to effectively work with children and families.  She is also trained in Trauma-Focused Cognitive Behavioral Therapy and Prepare-Enrich (a marital and pre-marital assessment and curriculum).  She uses a blend of therapeutic approaches tailored to each person's specific needs to promote healing and growth.  It is her belief that each person has been created with a unique beauty and innate worth.  No matter their past, people deserve peace in the present and hope for their future.

Kathy Miller - LSCSW

Kathy is a Licensed Master’s Level Social Worker. She earned her Bachelor of Social Work degree at Fort Hays State University in 1997 and Master of Social Work degree in 1998 at the University of Kansas. Her practicum experience was completed at the Iroquois Center for Human Development in Greensburg, Kansas where she provided outpatient therapy services. Kathy served on the Board of Directors of the Kansas National Association of Social Workers for two years.

Kathy has been employed at Horizons Mental Health Center as a therapist since 2011. She currently provides services in the Pratt and Kingman offices. She has been trained in Dialectical Behavioral Therapy, Motivational Interviewing, Integrated Dual Diagnosis Treatment, and Critical Incident Stress Management. Kathy is trained and experienced in working with adults and adolescents in individual, couples, and family therapy, as well as facilitating therapy groups.

Robert Pierce - LCPC

Robert received his Bachelor’s degree from Kansas State University in education then went on to Kansas State University to earn a Master’s degree in Counseling. He worked in public education for 36 years in Kansas and Texas with a wide array of experiences from coaching multiple sports to teaching in the classroom and counseling students. Robert finished his clinical studies at Kansas State University. Most of his experience has been working with school age children, parents, and staff in the pre-k through high school setting. His interest and desire is to continue providing therapeutic services to diverse populations and ages with mental health concerns. “I enjoy helping people succeed and lead a healthier and more fulfilling life.”

Marque Schulte - LMSW

Marque has been with Horizons since 2016.  She is a graduate of Metropolitan State University with a Masters degree in Social Work.  She also attended the University of Colorado at Boulder, where she received her Bachelor of Arts in Psychology.  Marque is a Licensed Masters Social Worker in the state of Kansas.  She worked as a case manager for a community mental health center providing individual and group services to children and adults prior to coming to Horizons.  Marque loves to incorporate yoga and mindfulness in her practice.

Nancy Seemann - LSCSW

Nancy is a Licensed Specialist Clinical Social Worker who graduated from Kansas University with a Masters degree in Social Work.  She has had several years experience in different settings working with all ages, all types of people and personalities.  Nancy area of specialty are adults.  She has had training in all types of therapy including Brief Therapy, Cognitive Behavioral Therapy and Dialectical Behavior Therapy and Neuro-sequential Model/Trauma Recovery, she has also had training with anxiety, depression, grief, trauma, adjustment disorders and addictions.

Community Services Staff:


  • Megan Smyth

Psychosocial Group Coordinator:

  • Whitney Briggeman

Barber County:

  • Brenda Moser - Wrap Around Facilitator
  • Brenda Wells - Case Manager

Harper County:

  • Jeanette Brattin - Case Manager
  • Randy Mills - Case Manager
  • Brenda Moser - Wrap Around Facilitator

Kingman County:

  • Jenny Clouse - Case Manager
  • Kate Combs - Case Manager
  • Amara Garcia - Case Manager
  • Debbie Graber Gonzalez - Case Manager
  • Brenda Moser - Wrap Around Facilitator
  • Kourtney Ward - Attendant Care Worker
  • Megan Smyth - Case Manager

Pratt County:

  • Whitney Briggeman - Case Manager
  • Lynn Perez - Case Manager
  • Haley Prosser - Case Manager
  • Brenda Moser - Wrap Around Facilitator