Dr. Hallström has a broad spectrum of psychiatric experience, primarily providing general adult psychiatric services.

He no longer takes on new private patients.

Dr. Hallström specialises in mood disorders, especially anxiety and the pharmacological treatment of anxiety.

He now concentrates on medico-legal work, specialising in psychiatric assessment of parents, especially where substance misuse is involved. He carries out occupational health assessments, employment tribunal work and personal injury claims. He occasionally takes on criminal cases of interest and complexity. He also provides reports in medical negligence cases. He is unable to comment on medical negligence in psychiatric practice.