Psychological Services

Working together with a psychologist can help you feel empowered to tackle life’s challenges & make a positive CHANGE in your life

Cassidy Psychology is a clinical psychology practice that provides counselling psychotherapy and assessment services for people experiencing difficulties in their lives. Our practice is staffed by a team of highly qualified and experienced Clinical Psychologists that provide evidenced based treatments for mental health, wellbeing and personal development. We treat a full range of mental health conditions at the practice including depression and anxiety. We can also assist with other difficulties and stressors that may arise in life. Services are available to children, adolescents and adults.

Common counselling issues that we treat include

  • Depression and Emotional Difficulties
  • Stress and Adjustment to life stressors
  • Low Self-esteem
  • Obsessive Compulsive Disorder
  • Post-Traumatic Stress Disorder
  • Anger Management Problems
  • Eating Disorders
  • Self-harm and Suicidal Ideation
  • Grief and loss
  • Postnatal depression and women’s health
  • Anxiety and Panic
  • Fears and Phobias
  • Separation Anxiety
  • ADHD
  • Behavioural Problems
  • Parenting and Family Relationship Difficulties
  • Peer Relationship Difficulties and Bullying
  • Enuresis and Encopresis
  • Autism Spectrum Disorder
  • Abuse

Why Choose Us


Our clinical psychologists are highly qualified with extensive training and experience in the assessment and treatment of mental health difficulties.


We ensure that your information is kept safe and secure and we do not discuss your difficulties with anyone without your consent.


We work closely with your referrer and any other stakeholders you give us consent to speak with to ensure a holistic wrap around service.


We will partner with you, through seeking to develop a comprehensive understanding of your goals and needs and working together with you to ensure you achieve them.


We are committed to maintaining the highest possible standards of ethical practice and psychological services.


Our aim is to ensure that our clients receive quality mental health care in a safe, accepting and non-judgmental environment.


We are located in an easily accessible location off Canning Highway near the Freeway.


We offer Medicare and HICAPS claiming options so you can claim your rebate straight after your appointment.

Our Philosophy

At Cassidy Psychology we endeavor to provide holistic collaborative care to our clients. We pride ourselves on offering professional, evidenced based treatments that demonstrate care and compassion to the people that we help. Collaborative partnerships with our clients and with our referrers is at the cornerstone of our practice. Our aim is to work together towards wellness and mental health.

Our Values

Our practice is guided by the following 5 values






Dr. Kellie Cassidy

Prinicpal Clinical Psychologist

Dr. Kellie Cassidy is an experienced Clinical Psychologist who works with children, adolescents and adults on a wide range of presenting problems. Kellie strives to assist her clients to improve their wellbeing and reach their goals through evidence based and clinically proven therapies.

Kellie completed a Bachelor of Science with Honours at Curtin University in 2001 and a Doctorate of Psychology (Clinical) at Murdoch University in 2007. Kellie’s doctoral research was focused on developing and evaluating a trauma focused CBT group treatment program for adolescent girls who had experienced sexual abuse

Ms. Karri Stewart

Clinical Psychologist

Karri is a Clinical Psychologist who works with children, adolescents and adults as well as families as a whole. When working with clients she endeavours to tailor treatments to individual client needs by incorporating the interests and strengths of clients with best practice guidelines.

Karri completed a Bachelor of Arts with Honours in 2007 and a Master of Psychology (Clinical) in 2009 at the University of Western Australia.

Ms Jenna Trainor



Jenna is a psychologist who is passionate about the role psychology can play in helping people bring about positive change and improve their social and emotional wellbeing. She has experience working with children, adolescents and adults in a variety of settings.

She supports clients dealing with a range of areas of difficulty such as (but not limited to) anxiety, depression, sleep, PTSD, grief and loss, worry, self harm, stress, relationship issues and self-esteem /confidence issues.

Ms Krystle Haley



Krystle is a Registered Psychologist with experience working with children, adolescents, families and adults. She is trained in a range of evidence-based psychological therapies and has a special interest in depression, anxiety, anger, behavioural difficulties, attachment and trauma.

Krystle has a warm and caring demeanour, with a passion for helping children, adolescents, families and adults overcome their difficulties.

Mr. Darren West



Ms Athalie Phau

Clinical Psychologist (Registrar)

Frequently Asked Questions

We’ve always wanted to answer the questions raised to us, and we want to do it the moment you think of it. So, we took the time to compile the questions that are frequently asked by our visitors and provide them with the answers that they need.

If you still need more information, give us a call and we would be happy to help you.

What does a Clinical Psychologist do?
Clinical psychologists are experts in assessing, diagnosing and treating a wide range of psychological difficulties such as stress, adjusting to life’s changes as well as more severe mental health concerns. Clinical psychologists receive specialist training in effective and proven psychotherapy tools, techniques and strategies. Clinical psychologists work therapeutically to help people process emotions, thought patterns and help them toward developing new ways of thinking and behaving. They help people recover from various mental health disorders or difficult life circumstances by assisting them to work toward making positive changes in their lives.
Fees and Rebates
The Australian Psychological Society recommended rate for clinical psychology services is $241 for a 50 minute therapy session and $349 for a 90 minute therapy session. Our fees are offered at a discounted rate as follows:

Our fees vary depending on the psychologist that you see and the duration of your appointment.

Initial Appointments (75 minutes):

  • Clinical Psychologist Director ($310)
  • Clinical Psychologist ($300)
  • Clinical Psychologist Registrar ($260)
  • Registered Psychologist ($260)

Standard Consultation (50 minutes):

  • Clinical Psychologist Director ($210)
  • Clinical Psychologist ($200)
  • Clinical Psychologist Registrar ($160)
  • Registered Psychologist ($160)

Medicare rebates are available under a mental health care plan. The current rebate is $124.50 for clinical psychologists and $84.80 for Psychologists.  At present 10 sessions are able to be claimed through Medicare. Our fee’s are set to ensure that your out of pocket expense if the same not matter who you see at the practice. Please note that a surcharge may me added for after hours appointments (after 6pm and weekends).

Private Health Rebates are also available.

Fee’s may vary for other funding schemes such as NDIS.

Is a referral required?
A referral is not required to make an appointment with a psychologist. However should you be eligible and wish to claim a rebate from Medicare, a referral letter and GP mental health care plan from your general practitioner must be provided.

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