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Dr William Shanahan
Medical Director (Private) and Clinical Director of Addictions
Dr William Shanahan 360x246

Dr William Shanahan

Dr Shanahan offers a comprehensive mental-health assessment and provides evidence-based treatment in a caring environment.

Position at Priory

Dr Shanahan worked with Priory in 1987 before joining the Charing Cross Training Scheme in Psychiatry. He is returning as Medical Director in the Private Practice Division at Priory Hospital Roehampton, and as one of the Clinical Directors across Priory Group’s Addiction Services.


Dr Shanahan is a graduate of Trinity College, Dublin. He trained as a GP before embarking on a career in psychiatry and has diplomae in paediatrics, and in obstetrics and gynaecology. He has specialist training in adolescent psychiatry and in addictions.  He is a Fellow of the Royal College of Psychiatrists. He was appointed as a consultant in the NHS in 1992, working in what is now the Central and North West London NHS Foundation Trust. He was Lead Clinician and Clinical Director of their Addictions Directorate from 1995 until 2013 when he left the NHS. He was Medical Director of the Nightingale Hospital from 2000 until 2019. For 5 years he was an Honorary Senior Lecturer at Imperial College and he still teaches on medical school and psychiatric training schemes

Research interests

Dr Shanahan has a number of publications relating to managing people with schizophrenic illness in the community. He was one of the pioneers in researching the treatment options for people with opiate dependence.

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Acquired Brain Injury
High dependency rehabilitation units (HDUs) - NHS
Acute Inpatient Services
Addiction Treatment
Adjustment Disorder
Adult Acute & PICU
Affective Disorders
Alcohol Rehabilitation
Alzheimer's Disease
Amphetamine Addiction
Anger Management
Anorexia Nervosa
Anxiety Attack Treatment
Asperger Syndrome
Attachment Disorder
Attention deficit hyperactivity disorder ADHD and ADD
Learning disabilities and autism NHS Service
Autistic Spectrum Disorder
Binge Eating Disorder (BED)
Bipolar Disorder
Body Dysmorphic Disorder (BDD)
Brain Injury Services
Bulimia Nervosa
CAMHS Eating Disorders
CAMHS Low Secure Services
CAMHS Tier 4
Cannabis Addiction
Chronic Fatigue Syndrome (CFS)
Cocaine Addiction
Conduct Disorder
Depression in Seniors
Drug Induced Psychosis
Drug Rehabilitation
Early Onset Dementia
Eating Disorders
Eating Disorders Services
Ecstasy / MDMA Addiction
Exercise Addiction
Food Addiction
Gambling Addiction
Gaming Addiction
Gender Dysphoria
Heroin Addiction
High Dependency Units - (HDUs)
Huntington's Disease
Internet Addiction
Ketamine Addiction
Korsakoff's Syndrome
Learning Disabilities
Legal High Addiction
Lewy Body Dementia
Medically Unexplained Symptoms (MUS)
Mental Health Treatment
Motor Neurone Disease
Multiple Sclerosis
Myalgic Encephalomyelitis (ME)
Neurobehavioural Services
Neurophysical Services
Neuropsychiatry, Older Adults and Dementia
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Obsessive Compulsive Disorder (OCD)
Online Therapy
Oppositional Defiance Disorder
Other Specified Feeding or Eating Disorders (OSFED)
Panic Attack Treatment
Parkinson's Disease
Perinatal Depression
Personality Disorders
Personality Disorders
Pick's Disease
Plastic Surgery Addiction
Porn Addiction
Post-Traumatic Stress Disorder (PTSD)
Prescription Drug Addiction Treatment
Psychiatric Intensive Care Units - (PICUs)
Psychoses (CAMHS)
Rehabilitation & Recovery
Relationship Problems
Seasonal Affective Disorder (SAD)
Secondary Addiction Care
Secure Services
Selective Mutism
Self Harm
Sex and Love Addiction
Sexual Dysfunction
Shopping Addiction
Sleep Disorders (Insomnia)
Somatic Symptom Disorder (SSD)
Spice Addiction
Stimulant Addiction
Tourette's Syndrome
Transcultural Mental Health Issues
Transitional Living Services for Young People and Young Adults
Trauma Counselling
Traumatic Brain Injury
Treatment Resistant Depression
Uncommon disorders in the elderly
Vascular Dementia
Work Addiction
Young People’s Services
Priory Connect
Community focused rehabilitation
Mental Health Treatment (18+)
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