The Hills Clinic is a specialist practice, providing private psychiatric and psychological treatment for a wide range of mental health issues including depression, bipolar disorder and anxiety disorders. The Clinic was first opened in Castle Hill in 2004 as a response to the increasing demand for mental health services in the northwest of Sydney. The Hills Clinic was created to bring together therapists with different disciplines and to provide complimentary and comprehensive psychiatric treatment programs accessible to all ages, genders and cultures.