The ADHD and Autism Clinic is provided by a team of dedicated clinicians and administrators.
Our clinicians share a common interest in the assessment, diagnosis, and management of attention-deficit hyperactivity disorder (ADHD), and the assessment and diagnosis of autism. Our clinicians provide treatment for associated mental disorders and are willing to provide referrals to specialist therapies for autistic people. Our administration team, which is led by Becca Thomas, is committed to delivering a trusted and reliable service to our patients.
ANDREW IIES
Consultant Psychiatrist
Dr Andrew Iles is an experienced consultant psychiatrist who works part-time in private practice and part-time in the NHS. He qualified as a doctor in 2004 and completed his postgraduate training in psychiatry in London, Oxford, Berkshire, and South Wales before qualifying as a consultant psychiatrist in 2011. He is employed by Surrey and Borders Partnership NHS Foundation Trust and is a visiting consultant for the Priory Group. Dr Iles is committed to developing improved ways of delivering high quality care. Realising how difficult the assessment journey can be for many people, Dr Iles founded The ADHD and Autism Clinic. He is recognised to have a warm, approachable, and empathic manner.
Alexandra Blackman
Consultant Psychiatrist
Dr Alexandra Blackman is a consultant psychiatrist who works in the NHS with some capacity for private practice. Dr Blackman qualified as a doctor in 2011 and completed her postgraduate training in psychiatry in London, before qualifying as a consultant psychiatrist in 2020. She is employed by Surrey and Borders Partnership NHS Foundation Trust. Dr Blackman has an interest in ADHD and previously contributed towards research in ADHD in prison populations. Dr Blackman is a kind and compassionate doctor who quickly puts people at ease. As our only female consultant psychiatrist, she is sought after by women who may feel uncomfortable about seeing a male doctor.
Stephen Attard
Consultant Psychiatrist
Dr Stephen Attard is an experienced consultant psychiatrist who works part-time in private practice and part-time in the NHS. He qualified as a doctor in 2002 and completed his postgraduate training in psychiatry in London before qualifying as a consultant psychiatrist in 2010. He is employed by Central and North West London NHS Foundation Trust. Dr Attard has an interest in ADHD and autism. He has specialist knowledge of the relationship between neurodevelopmental disorders and risk. As well as his clinical work, Dr Attard has an interest in academic writing. Dr Attard is a thoughtful and attentive listener whose manner is reassuring and caring.
Kate Walker
Autism Practitioner
Kate is a dedicated autism specialist teacher. She qualified as a teacher in 2012 and spent the next decade supporting children with neurodiverse needs in mainstream school environments. Since qualifying as an autism assessment practitioner, she has been committed to providing comprehensive autism assessments for both children and adults. Recognising the unique needs of each client, Kate approaches every assessment with sensitivity and care.
One of Kate’s greatest strengths is the ability to establish a friendly rapport with clients of all ages. This skill is particularly valuable in making nervous clients feel at ease, ensuring a comfortable and supportive environment. Kate’s knowledge of autism and ADHD makes her well placed to offer relevant recommendations and support for clients post diagnosis.
Dr Xanthe Wolter-Ferguson
Counselling Psychologist
Dr Xanthe Wolter-Ferguson is a HCPC-registered counselling psychologist working in private practice. She completed her doctoral training at Regent’s University London and has worked across NHS, private, and third-sector settings, supporting adults with a broad range of emotional and psychological concerns. She is trained in the ADOS-2 and has a particular interest in neurodivergence, including autism and ADHD, with a focus on how these experiences can intersect with identity, relationships, and mental health. Her therapeutic approach is relational and pluralistic, drawing on CBT, CAT, psychodynamic, and existential models. Dr Wolter-Ferguson brings a thoughtful, affirming style to her work, with a commitment to creating a collaborative space where clients can explore complex experiences with care and curiosity.
Practice team
BECCA THOMAS
Senior Secretary
Becca is a highly valued and welcoming member of the administrative team at the ADHD and Autism Clinic. With extensive experience in a caring profession, she brings empathy, understanding, and professionalism to every interaction with patients.
She plays a key role in supporting the smooth and efficient running of clinic operations, using her strong organisational and technological skills to ensure effective communication, appointment coordination, and streamlined administrative processes. Becca also supports colleagues in maintaining high standards across the team.
Becca manages enquiries and administrative responsibilities with exceptional accuracy and efficiency, helping patients feel supported, informed, and reassured throughout their journey with the clinic. Her approachable nature and dedication contribute greatly to a positive experience for those accessing ADHD and autism assessments and ongoing care.
JODIE BLUNDELL
Secretary
Jodie is an efficient and dedicated member of the secretarial team at the ADHD and Autism Clinic. With a strong background in customer service and healthcare services, she brings a calm, courteous, and approachable manner to every interaction with patients, their representatives, and fellow healthcare professionals.
Jodie plays a key role in ensuring that administrative processes run smoothly and efficiently. She manages enquiries and supports clinical workflows with accuracy and attention to detail, helping to ensure that services are delivered as swiftly and effectively as possible.
Her professionalism, reliability, and supportive approach contribute to a positive experience for patients and families throughout their journey with the clinic, reinforcing the clinic’s commitment to high-quality care and clear communication.
NATHAN JONES
Secretary
Nathan is a friendly and reliable member of the administrative team at the ADHD and Autism Clinic. He supports patients by handling enquiries and assisting with day-to-day administrative tasks.
With a strong focus on organisation and efficiency, Nathan helps ensure appointments and communications run smoothly. His approachable manner and willingness to help contribute to a positive and supportive experience for everyone accessing the clinic’s services.