Katie McDonnell

Dr Katie McDonnell is a highly specialised Clinical Psychologist with over 12 years of experience working across a wide range of mental health and healthcare settings and is registered with the Health and Care Professions Council (HCPC). She currently works within a London NHS Paediatric Psychology team specialising in supporting children, young people, and families experiencing complex physical and psychological health difficulties, alongside conducting Autism and ADHD assessments with children and young people.

Her clinical expertise includes working within paediatric health settings with children, young people and their families, particularly in oncology, medically unexplained symptoms, Chronic Fatigue Syndrome (CFS/ME), and Functional Neurological Disorder (FND). Katie has extensive experience helping young people navigate the emotional and psychological impact of long-term health conditions, with a focus on holistic, compassionate, and evidence-based care. Katie also works with a range of presenting difficulties such as anxiety, low mood, phobias, low self-esteem, identity and interpersonal relationship difficulties within her day to day work.

Katie works integratively, drawing from a range of therapeutic models including Cognitive Behavioural Therapy (CBT), Acceptance and Commitment Therapy (ACT), Narrative Therapy, EMDR, and systemic approaches. Her style is warm, supportive, collaborative, and non-judgemental, creating a safe therapeutic space where young people and families feel heard, understood, and empowered.

Alongside her therapeutic work, Katie is trained in using the Autism Diagnostic Observation Schedule (ADOS-2) and the ADHD Child Evaluation (ACE) and offers neurodevelopmental assessments for children and young people. She has significant experience working with neurodiverse children, adolescents, and families, and is committed to providing thoughtful, neuro affirmative assessments and recommendations tailored to each individual’s strengths and needs.

What Katie can offer:

• Initial psychological assessments to explore concerns and appropriate next steps.

• Psychological support for a number of presentations using a range of therapeutic interventions (both individual and group/family)

• Reflective practice groups

• Clinical supervision

• Autism assessments for children and adults as part of Lycali’s multidisciplinary assessment pathway.

• ADHD assessments for children and adults as part of Lycali’s assessment pathway.