Consultant Clinical Psychologist
OCD & Anxiety Disorders Specialist
located in Sydney's Hills District
Face to Face & Telehealth Available
QUOTE OF THE MONTH
“We’ve overcorrected.
From “kids’ feelings don’t matter” to
“kids’ feelings get to decide everything.”
Kid’s emotions need validation and support,
but not a steering wheel."
– Dr. Becky Kennedy
Current and
Previous Clients
Text +61423967043
to book an appointment
Please text only. No calls
Potential
Clients/Referrals
Email Tonia directly on contact@tmdpsychology.com.au
*Please note Tonia is not registered to see clients through Workers Compensation, or via NDIS funding that is Plan Managed or NDIA-managed.
Follow
Areas of Treatment
Diagnosis and Treatment of:
Obsessive-Compulsive Disorder (OCD)
(See Tonia's profile on the IOCDF website for further details)
Anxiety Disorders
(General Anxiety, Social Anxiety, Health Anxiety, Separation Anxiety)
Panic Disorder/Panic Attacks
Body Dysmorphic Disorder (BDD)
Perfectionism/OCPD
Emetophobia (Fear of Vomit)/Specific Phobias
Binge-Eating and Body Image
Stress/Life Management
Academic Procrastination & Performance
Depression/Adjustment Disorder
Building Resilience & Personal Development
Supportive Therapy (Short/Long Term)
Memberships and Registrations
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Registration with AHPRA Psychology Board of Australia (PsyBA) since 2012 (PSY0001685044)
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Member of the Australian Psychological Society (APS)
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Fellow of the APS College of Clinical Psychologists
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Member of The International OCD Foundation (IOCDF)
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Member of Australian Association of CBT (AACBT)
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International Affiliate of the American Psychological Association (APA)
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Member of The International Association of Applied
Psychology (IAAP) - Divisions: Clinical & Community Psychology,
Sports Psychology, Health Psychology, & Work and Organizational Psychology
Brief List of Continuing Professional Development
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Completed Intensive OCD & ERP Training in Pediatric OCD with Dr. Eric Storch at The Behaviour Therapy Training Institute (BTTI) - Denver, CO
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Completed Peer Supervision with Dr. Tara S. Peris (AP of Psychiatry & Biobehavioral Sciences at UCLA, & Co-Director of the UCLA Child OCD & Anxiety Program)
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Certificate in Applied Neuroscience and Brain Health from The Neuroscience Academy - Dr. Sarah McKay
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Training at The Beck Institute in Philadelphia with Dr. Aaron Beck & Dr. Judith Beck in CBT, Anxiety, OCD, Depression, and Mindfulness
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Primary Certificate Practicum in Rational Emotive Behaviour Therapy (REBT) from The Albert Ellis Institute (NYC)
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Training courses from Dr. Sabine Wilhelm in OCD and BDD from Massachusetts General Hospital (MGH) Online Psychiatry Academy
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Training by Dr. Eli Lebowitz from Yale School of Medicine in THE SPACE PROGRAM (Supportive Parenting for Anxious Childhood Emotions)
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Various Trainings in Anxiety Disorders, OCD, Perfectionism, ERP, ACT, CBT, Mindfulness, and Schema Therapy
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Attendee at several conferences in Australia and overseas i.e. The International OCD Conference, The World Congress of Behavioural
and Cognitive Therapies, AACBT Conference & APS Clinical College Conferences
Contact Details
4 Columbia Court, NORWEST, NSW, 2153 (Level 5, Nexus Building)
Current Clients:
Text +61423967043
to book an appointment
Enquiry Form
Copyright 2026 - Tonia - Marie Dempsey
If You Need Immediate Support
This practice is not a crisis service.
Emails and messages are not monitored continuously and immediate responses cannot be guaranteed.
If you or someone else is in immediate danger, call Triple Zero (000).
If you have questions about medication, please contact your GP or Psychiatrist.
24/7 Crisis Support Lines
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Lifeline – 13 11 14
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Suicide Call Back Service – 1300 659 467
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Beyond Blue Support Line – 1300 224 636
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Kids Helpline (ages 5–25) – 1800 55 1800
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MensLine Australia – 1300 78 99 78
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Domestic Violence Support – 1800 737 732
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Alcohol & Drug Information Service – 1800 250 015
Other Services and Hotlines can be found here - https://www.healthdirect.gov.au/mental-health-helplines