Family Based Clinician ChimesFamily Based ClinicianExton, PAHolcomb Behavioral Health Systems is accredited by the Joint Commission and provides a comprehensive range of services and supports for people with mental health, substance abuse, intellectual and developmental disabilities, and co-occurring disorders throughout southern and central Pennsylvania, central New Jersey, Delaware, and Maryland. Minimum Requirements: Education: Master's degree in a clinical discipline (i.e. clinical or counseling, psychology, clinical social work, or human services), including two semesters of formal, supervised clinical practicum experience.