About Us

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About Inter Health Services

Empowering Communities Through Inclusive Mental Health & Disability Support

At Inter Health Services (IHS), we go beyond delivering support—we empower individuals, strengthen communities, and create pathways for equitable access to care.

Our trauma-informed, evidence-based approach ensures that mental health, disability, and aged care services remain accessible, culturally inclusive, and client-centred.

  • NDIS-funded support services – Ensuring equitable access to tailored interventions.

  • Aged care mental health – Holistic, person-centred care that prioritises wellbeing.

  • Professional development programs – Training and workplace initiatives that promote resilience and mental health competency.

Through our services, we are committed to breaking barriers, advocating for systemic change, and fostering meaningful connection.


🔹 Refer a Client 🔹 Get in Touch

  • Accredited Mental Health Social Worker | Behaviour Support Practitioner | Trainer

    Odia Diessa is a highly skilled and trusted mental health clinician with over a decade of experience in delivering evidence-based psychological therapies, clinical interventions, and trauma-informed care. As an Accredited Mental Health Social Worker, Odia provides the same level of therapeutic treatment as a psychologist, specialising in complex mental health presentations and psychosocial disabilities.

    Her clinical expertise includes:

    • Trauma-focused psychotherapy for PTSD, anxiety, and emotional dysregulation

    • Cognitive and behavioural interventions for mood and adjustment disorders

    • Psychosocial support and recovery-oriented therapy for NDIS participants

    • Mental health training and supervision for allied health and community professionals

    • Culturally safe, person-centred therapy for clients from diverse and marginalised backgrounds

    Odia is deeply committed to supporting individuals in processing trauma, strengthening emotional resilience, and achieving greater psychological wellbeing. Her practice is warm, empowering, and grounded in respect for every client’s story.

  • ✔ Accredited Mental Health Social Worker (AMHSW) – Providing specialised therapy and psychosocial recovery support.

    ✔ NDIS Specialist-Level Behaviour Support Clinician – Delivering tailored behaviour interventions to foster independence and emotional well-being.

    ✔ Clinical Supervisor & Mentor – Guiding emerging practitioners in trauma-informed and culturally competent care.

    ✔ Advocate for Systemic Change – Actively engaging in research collaborations, policy development, and mental health education.

  • ✔ Master of Social Work (MSW) – Specialised in forensic mental health and psychosocial interventions.

    ✔ Graduate Certificate in Mental Health Science (CBT) – Expertise in cognitive-behavioural therapy approaches.

    ✔ Bachelor of Behavioural Science (Psychology) – Foundation in evidence-based mental health strategies.

  • Odia is a passionate advocate for community-based mental health interventions, working alongside organisations, research institutes, and health professionals to drive innovation in care models. Recently, InterHealth Services partnered with the University of South Australia to support PhD research on African diaspora youth engagement with urban green spaces, reinforcing her dedication to holistic well-being.

  • Odia integrates trauma-informed, strength-based, and neuroaffirming therapy techniques tailored to diverse client needs, including:

    ✔ Cognitive Behavioural Therapy (CBT) – Practical strategies for anxiety, depression, and trauma recovery.

    ✔ Dialectical Behaviour Therapy (DBT) – Emotional regulation techniques supporting resilience.

    ✔ Narrative Therapy & Psychosocial Recovery Coaching – Empowering clients through their lived experiences.

    ✔ Somatic & Sensorimotor Approaches – Integrating mind-body connections for holistic healing.

  • Odia believes in challenging systemic inequities and fostering accessible, client-centred care. Through her leadership at Inter Health Services, she continues to mentor professionals, advocate for policy change, and develop innovative support programs that make mental health and disability services more inclusive and effective.