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Dr. Lianne Trachtenberg, PhD, C.Psych (Supervised Practice)


Dr. Lianne Trachtenberg, Ph.D., C.Psych. (Supervised Practice)

Dr. Lianne Trachtenberg is a Psychologist in Supervised Practice with the College of Psychologists of Ontario and a Post-Doctoral Fellow in Psychosocial Oncology at Toronto General Hospital. She completed her PhD at the University of Toronto and her clinical internship at the University Health Network, which included rotations at Princess Margaret Cancer Centre and Toronto General Hospital. Prior to her internship, she trained in a number of well-respected clinical settings including the Centre for Addiction and Mental Health, Princess Margaret Prostate Cancer Rehabilitation Clinic, Toronto Rehabilitation Institute, Southlake Regional Health Centre, and the OISE Psychology Clinic.

Dr. Trachtenberg believes in providing evidence-based treatment tailored to her client`s unique needs and goals. She has a compassionate and caring attitude that focuses on building upon her clients’ strengths, while empowering them to make meaningful change. At CBT Associates, Dr. Trachtenberg provides cognitive behavioural therapy (CBT) to adults with a range of mental health challenges, including anxiety disorders, depression, eating disorders, relationship issues, and stress management. She also provides therapy to individuals experiencing challenges in adjusting to and coping with chronic illness and cancer. In addition to working from a CBT framework, she has experience with Schema Therapy and Dialectical Behaviour Therapy.

Dr. Trachtenberg is a member of the Ontario Psychological Association, Canadian Association for Psychosocial Oncology, American Psychological Association and Canadian Association of Cognitive Behavioural Therapy.

Please note that our associates work with many presenting issues, some of which are not listed in this biography. Please speak to our intake team at 416-363-4228 for more information.

Why choose CBT Associates?

CBT Associates is a large, well-established and rapidly-growing network of clinics that provides evidence-based psychological services to children, adolescents, adults of all ages, and couples.

We are a highly-qualified group of over 50 psychologists and psychological associates who provide personalized, compassionate, respectful and discreet treatment with the highest level of... Read More

What is the policy for cancelled or missed appointments?

To help us reliably meet the needs of all our clients, we must ask you to provide 24 hours’ notice when cancelling or rescheduling an appointment. Appointments without sufficient notice will be charged the full fee.

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What is a psychologist?


  • Are registered healthcare professionals who are regulated like physicians, surgeons, and dentists.
  • Work with individuals, groups and organizations to promote positive change by assessing and treating psychological problems.
  • Are trained to assess problems accurately using psychological tests and semi-structured interviews.... Read More
What is the difference between a psychologist and a psychiatrist?

Psychologists are closely aligned with psychiatrists as both are highly-trained professionals. Psychiatrists are oriented toward pharmaceutical solutions (some illnesses in fact lend themselves to medication versus talk therapy, such as severe depression or schizophrenia); while psychologists are oriented toward talk therapy as a solution.

Psychologists and psychiatrists both undertake... Read More

What is the difference between a psychotherapist and a psychologist?

The first important difference between psychotherapists and psychologists is the number of years of education and training required to register by each college. The College of Registered Psychotherapists of Ontario requires members to complete any recognized training program in psychotherapy, with 450 hours of direct client contact, and 100 hours of clinical supervision. In contrast, to... Read More

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