Mental Health For You E Illinois E Glen Ellyn, IL E David Seth Joel Marquart

David Seth Joel Marquart

City: Glen Ellyn, IL
State: Illinois
License Name: Licensed Professional Counselor (LPC)



Office Address:

Alcorn & Allison Clinical Associates

Alcorn & Allison Clinical Associates

460 N. Main Street, Suite 205

Glen Ellyn, Illinois 60137

Therapy Specialties: 

Coping Skills
Panic Attacks
Relationship Issues
Anger Management
Family Conflict
Peer Relationships
Sleep or Insomnia


Payments Accepted:
American Express, Cash, Check, Discover, Mastercard, Visa


Personal Statement

I believe therapy is about safety and empowerment. I understand the courage it takes for teens and young adults to confront the unique challenges in this stage of life. My clients know they have a safe space to explore difficult issues. I seek to empower my clients as they discover new coping skills and work toward growth and healing.

Interpersonal relationships play a significant role in the health of a client. Deepening family bonds reinforces social interaction and helps navigate complex relational boundaries. Working collaboratively with families in the therapy process can lead to new bridges of understanding in the home.

Adolescence and emerging adulthood are characterized by profound emotional, cognitive, and physiological growth. Unfortunately, many people feel alone in this journey – even though their peers are often feeling the same way. I treat many of the struggles that emerge during this time period: ADHD, anxiety, depression, low self-esteem, substance abuse, career and social anxiety, perfectionism, impulse management, family relationships, and identity development struggles.

Client Focus (Age)

Adolescents/Teenagers (14 to 19)

Treatment Orientation

Acceptance & Commitment Therapy
Dialectical Behavioral Therapy
Emotion Focused Therapy
Mindfulness Based Approaches
Cognitive Behavioral Therapy
Integration of different therapy models
Rational Emotive Behavioral Therapy (REBT)
Solution Focused Brief (SFBT)
Sand Play

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