Dr Ian Nnatu - Medical Director

Dr Nnatu is a Consultant Psychiatrist at Charing Cross Hospital, London and an Honorary Senior Clinical Lecturer at Imperial College, London. He did his postgraduate training on the Charing Cross and St Mary’s psychiatric training scheme in London. He became a Member of the Royal College of Psychiatrists in 2001 and he is also a Fellow of the Royal College of Psychiatrists.

He holds a postgraduate diploma in cognitive behavioural therapy (CBT), from the Institute of Psychiatry, Kings College London. Dr Nnatu has dual accreditation with the General Medical Council, in general psychiatry and substance misuse psychiatry.

He is involved in the teaching of medical students and doctors. He is an examiner for Imperial College medical students and he is also an examiner for the Royal College of Psychiatrists.

As medical director at Cygnet Hospital Harrow, he leads on clinical audit and supports quality initiative programmes. His clinical interests are; depression, treatment resistant depression, anxiety disorders, stress related disorders, bipolar affective disorders, psychoses and drug and alcohol problems.

For more information about Dr Nnatu, please visit his website


Dr Robert Cohen

Dr Cohen trained in General Psychiatry at the Royal London Hospital and in Forensic Psychiatry at Friern Hospital. He is a consultant Psychiatrist in full-time private practice and is the author of the undergraduate textbook, “Student Psychiatry Today”.

Clinical interests include affective illnesses and anxiety states, post traumatic stress disorder and eating disorders. Dr Cohen also consults at 10 Harley Street and at Bupa Bushey Hospital. For more information on Dr Cohen please visit his website

Dr Jerome Hart

Dr Hart trained in psychiatry at the Royal London Hospital. He is in full-time private practice and previously worked as a Consultant Psychiatrist in Hertfordshire.

Dr Hart sees and treats adults with a wide range of problems, including anxiety and stress, depression, alcohol-related issues, paranoid conditions and bipolar disorder. Dr Hart also consults at the Ravenscroft Suite, Golders Green and at Spire Hospital Harpenden.

Dr Hart is co-author of an undergraduate textbook of psychiatry.

Professor Iqbal Singh

Professor Singh has been a Consultant Psychiatrist for over 25 years. He has held various senior positions within the NHS, Royal College of Psychiatrists, London Deanery and GMC, both at local and national levels, including positions of Clinical Director, Director of Medical Education, Regional Advisor to the President of Royal College and Specialist Medical Advisor to GMC and Parliamentary Ombdusman. In 2011 he was honoured in the House of Commons with Professional of the Year.

He has been in private practice in Harrow since 1992. His field of practice is General Adult Psychiatry and Developmental Psychiatry. He has special interest in the mental health of Asians. Prof Singh also has extensive experience and interest in Autistic Spectrum Disorder, Asperger's Syndrome and Adult ADHD. He has published widely including chapters in leading text books of Psychiatry.

Dr Chetna Kang

Dr Kang is the Responsible Clinician and Consultant Psychiatrist at Cygnet Lodge Westlands. She holds her private practice clinics at Cygnet Hospital Harrow, Cygnet Hospital Ealing and CCPE in Little Venice, London. Her clinical specialities include Depressive Disorders, Bipolar Affective Disorder(Manic Depression), Anxiety Disorders, Psychosis, schizophrenia and stress related disorders. She also has a special interest in Spirituality and Mental Health, Medically Unexplained Symptoms and mental disorders related to chronic physical health problems. She can carry out assessments in both English and Hindi.

Passionate about reducing stigma around mental health problems, Dr Kang presents a weekly mental health and disability radio show with the BBC every Sunday called Shrink Wrapped. In 2014 she was runner up for the Royal College of Psychiatrists Public Educator of the year Award. She also sits on the Royal College of Psychiatrists Public Education Editorial Board and the Executive Committee of the Royal College of Psychiatrists Special interest group for Spirituality in Psychiatry.

To book an appointment please contact Dr Kang's Secretary Anne Culligan on 07494 344 708 Monday to Friday 9am-5pm.