Diane Bates-Sier, LCSW

Child, Adolescent and Family Therapy


Nikki Bricker, LCSW, RPT

Nikki believes the most important part of therapy is the relationship. A strong relationship is built on trust, safety and communication.

Nikki began professional counseling career in 2004. She has undergraduate degree in Applied Behavioral Sciences from Penn State University and Masters in Social Work from Temple University. She is a licensed clinical social worker and registered play therapist. She utilizes an eclectic base for her therapeutic interventions. Nikki practices child centered play therapy, directive play therapy and art based interventions when appropriate. Nikki also utilizes family therapy, cognitive behavioral therapy, behavior modification and motivational interviewing. She prefers using a holistic approach, embracing energy psychology, essential oils and mindfulness-based techniques.

Adam Miller, LPC

Adam Miller is a Licensed Professional Counselor (LPC) in Pennsylvania. He has been working with children, teens, families and adults in a variety of settings since 2005. He has experience working in Behavioral Health Rehabilitation Services, In​patient hospital, Community Mental Health programs and private practice. Adam has a special interest in working with individuals with self harm behaviors and emotional regulation difficulties. Adam has had training in Dialectical Behavior Therapy (DBT). 

Adam has presented at local and national conferences on topics such as: Motivational Interviewing, Dialectical Behavior Therapy, Parenting with Impact, Parenting: Addressing Difficult Behaviors and Self Harm Behaviors.

​​​ ​Adam provides assessments and treatment to children and teens as well as adults.

Diane Bates-Sier, LCSW

Diane Bates-Sier is the owner of Sand Castle Counseling. Diane  is a Licensed Clinical Social Worker in the state of Pennsylvania and has been practicing clinical social work for over 20 years. Since beginning her career Diane has provided care to those in need in a variety of settings including hospitals, adoption agencies, schools, residential treatment facilities, community mental health agencies, and private practice.  Although Diane has experience working with individuals across the lifespan she specializes in working with children, teens, and families.

Diane acted as a board member for the Pennsylvania Association for Play Therapy for 8 years including presenting numerous times at the Association’s annual conference. Diane has also provided training on Play Therapy and clinical work with children and teens to graduate-level counseling students at local colleges and provides clinical supervision to social workers looking to improve their knowledge of therapy with children, adolescents and families.

Sand Castle Counseling

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