Meet our Providers

Angela M Cavett, PhD, LP, RPT-S

Dr. Cavett is a child and adolescent psychologist who provides assessment, diagnosis, and treatment of children, adolescents, and families.  Dr. Cavett earned her Masters from St. Mary's University of Minnesota (1999) and Doctorate from the University of North Dakota (2002) and completed a child clinical psychology internship at Astor Home for Children in Rhinebeck, New York. She has 19 years post-masters and 16 years post-doctoral experience. As a licensed psychologist, Dr. Cavett provides therapy related to mood disorders such as depression, anxiety, abuse/trauma issues, attachment, behavioral problems, and pervasive developmental disorders. Dr. Cavett is trained and/or certified in the following evidenced based treatments: Trauma Focused Cognitive Behavioral Therapy (TFCBT), Cognitive Behavioral Therapy, Theraplay, Eye Movement Desensitization and Reprocessing (EDMR), Mindfulness, Attachment Therapy, Yoga Calm, Beat The Odds Drumming Circles, AutPlay, Child Centered Play Therapy, Cognitive Behavioral Play Therapy and Integrated Attachment Informed Model.

She is a Registered Play Therapist-Supervisor credentialed through the Association for Play Therapy. Dr. Cavett provides supervision for licensed clinicians working towards the Registered Play Therapist or Registered Play Therapist-Supervisor credential. She has been an invited presenter internationally on child psychopathology, development and treatment. She is the author of numerous chapters and the book Structured Play-Based Interventions for Engaging Children and Adolescents in Therapy (2010). She has served on several committees for the Association for Play Therapy and the North Dakota Psychological Association Board of Directors. She is the 2018 Service Award Recipient for the Association for Play Therapy, a national organization that provides training and credentialing for play therapists.

Jessica Mertz

Jessica Mertz is a Licensed Independent Clinical Social Worker who provides treatment for children, adolescents, and their families. Jessie earned a Master of Social Work from the University of North Dakota (2007) and a Master of Arts in Counseling Psychology from Bethel University (2010). She is credentialed as a Registered Play Therapist through the Association for Play Therapy. Jessica is an approved supervisor for the Minnesota Board of Behavioral Health and Therapy and the Minnesota Board of Social Work. She is dually licensed in Minnesota and North Dakota. 

Jessica specializes in child centered, trauma-informed, and attachment based play therapies. Her interests are working with preschool and elementary aged children who have experienced trauma, attachment disorders, anxiety, adjustment difficulties, and mood disorders. She works closely with parents as they are the primary agent of change in a child’s life. Jessie also works with adolescents who experience depression and anxiety using supportive and cognitive behavioral therapy.



Cathy Hjelle, LICSW, LPCC


Cathy Hjelle is licensed in North Dakota as a Licensed Independent Clinical Counselor and in Minnesota as Licensed Independent Clinical Social Worker. Cathy has provided mental health services for twenty-five years with much of her professional career serving the Fargo-Moorhead area. As a practicing mental health clinician Cathy has provided therapy to children, adolescents, adults, couples, and families. Mental health issues addressed in a therapeutic setting include the following: anxiety, depression, mood disorder, grief/loss issues, ADHD, trauma related issues, behavioral problems, and adjustment related issues. Work experience and training have provided specialized focuses in trauma, attachment disorders, and family therapy. Cathy has received specific training in Eye Movement Desensitization and Reprocessing. Assisting clients in achieving goals that often includes more effective communication, better interpersonal relationships, and improved mental health takes place in a supportive setting frequently utilizing rational emotive behavioral therapy.

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