3 Best Psychologists in Ajax, ON

Expert-recommended Top 3 Psychologists in Ajax, ON. All of our psychologists actually undergo a rigorous 50-Point Inspection, which includes everything from checking reviews, ratings, reputation, history, complaints, satisfaction, trust and price - all to ensure overall excellence. You deserve only the best!

Dr. Lisa Trepanier, Ph.D, C. Psych - Ajax, ON Mental Health & Counselling - Doctor Portrait Image
8+ YEARS ON TBR
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DR. LISA TREPANIER, PH.D, C. PSYCH

375 Finley Avenue, Suite 102,
Ajax, ON L1S 2E2 Directions

Since 2002

Specialty:

✓Addiction ✓Alcohol Abuse ✓Alzheimer's ✓Anger Management ✓Anxiety or Fears ✓Behavioral Issues ✓Bipolar Disorder ✓Chronic Impulsivity ✓Coping Skills ✓Depression ✓Divorce ✓Drug Abuse ✓Dual Diagnosis ✓Family Conflict ✓Gambling ✓Grief ✓Learning Disabilities ✓Life Coaching ✓Obesity ✓Parenting ✓Relationship Issues ✓Self-Esteem ✓Self-Harming ✓Traumatic Brain Injury ✓Weight Loss ✓Cognitive Difficulties ✓Chronic Pain or Illness ✓Emotional Disturbance ✓Elderly Persons Disorders ✓Impulsive Control Disorders ✓Mood Disorders ✓Personality Disorders ✓Sleep or Insomnia ✓Substance Abuse ✓Suicidal Ideation ✓Testing and Evaluation ✓Neuropsychological Assessment

"Dr. Lisa Trepanier obtained her PhD from the University of Toronto. She is dually trained as a Neuropsychologist and Clinical Psychologist. She is an OPA, INS, NAN, and CAPDA member. Dr. Lisa Trepanier provides thorough examinations of your brain health, mental health, and personality. She has extensive experience with clients in medicine, neurology, and psychiatry. She also works with WSIB, rehabilitation facilities, police, aviation, EMS, and fire services. Dr. Lisa Trepanier is an Assistant Professor in Psychiatry at the University of Toronto. She is always expanding her knowledge to better serve you. Dr. Lisa Trepanier can also help determine what the nature of your struggles are and then provide practical guidance on how to manage those struggles. She can assist you with improving both your physical and mental health.

2026 Highlights: She takes a practical approach to clients' subjective complaints about their physical and mental health."

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License #3908

Price:

Individual Sessions: $235

Contact:

(416) 908-1310

Mon-Thu: 9am - 9pm
Fri: 9am - 6pm
Sat & Sun: Closed

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Dr. Lynne Lamarche, C. Psych - CENTRE FOR COGNITIVE BEHAVIOUR THERAPY - Ajax, ON Mental Health & Counselling - Doctor Portrait Image
Dr. Lynne Lamarche, C. Psych - CENTRE FOR COGNITIVE BEHAVIOUR THERAPY - Ajax, ON Mental Health & Counselling - Waiting Room
Dr. Lynne Lamarche, C. Psych - CENTRE FOR COGNITIVE BEHAVIOUR THERAPY - Ajax, ON Mental Health & Counselling - Clinic Interior Image
9+ YEARS ON TBR
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DR. LYNNE LAMARCHE, C. PSYCH

CENTRE FOR COGNITIVE BEHAVIOUR THERAPY
95 Bayly Street West, Suite 505,
Ajax, ON L1S 7K8 Directions

Since 2003

Specialty:

✓Agoraphobia ✓Anger Dysregulation ✓Assertiveness ✓Depression ✓Generalized Anxiety Disorder (GAD) ✓Going Off Medication ✓Health Anxiety ✓Insomnia ✓Phobias ✓Posttraumatic Stress Disorder ✓Public Speaking and Performance Anxiety ✓Relationship Problems and Social Phobia ✓Low Self-Esteem ✓Obsessive-Compulsive Disorder ✓Panic Disorder

"Dr. Lynne Lamarche has more than 21 years of experience using Cognitive Behaviour Therapy to treat psychological disorders. She finished her PhD in clinical psychology and has been researching and treating psychological disorders. She obtained her doctorate in clinical psychology at the University of Ottawa. Dr. Lynne Lamarche has various clinical settings, including general and psychiatric hospitals, community clinics, detention centres, and private clinics. Her research focused on sleep problems, specifically among people with post-traumatic stress disorder and women with severe premenstrual symptoms. She practices at the Centre for Cognitive Behaviour Therapy. The clinic offers state-of-the-art psychological treatment that is personalized for your unique needs in a supportive, compassionate, and kind manner. Dr. Lynne Lamarche is fluent in English and French. She also completed her residency training at the Royal Ottawa Hospital and at the Centre for Psychological Services in Ottawa. Centre For Cognitive Behaviour Therapy has a team of practitioners who are selected for their expertise and clinical training in Cognitive Behavioural Therapy (CBT), widely considered the highest standard of care in mental health therapy today.

2026 Highlights: They provide state-of-the-art psychological therapy, personalized for your unique needs, in a manner that is supportive, compassionate and kind."

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License #260071428

Contact:

(905) 427-2007

Mon-Sat: 8am - 7pm
Sun: Closed

TBR® Inspection Report:

Dr. Terra Seon, C. Psych - DURHAM PSYCHOLOGISTS - Ajax, ON Mental Health & Counselling - Consultation Image
9+ YEARS ON TBR
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DR. TERRA SEON, C. PSYCH

DURHAM PSYCHOLOGISTS
230 Westney Road South, Suite 307,
Ajax, ON L1S 7P9 Directions

Since 2008

Specialty:

✓Anger Management ✓Stress ✓Autism Spectrum and Mood Disorders ✓Behavioral Observations ✓Relationship Issues ✓Panic ✓Individual and Couples Counselling ✓Learning Disabilities ✓Attention Deficit Hyperactivity Disorder (ADHD) ✓Depression ✓Behavioural Problems ✓PTSD ✓Anxiety ✓Post-Traumatic Stress Disorder

“Dr. Terra Seon received her Master of Arts in Counselling Psychology and Doctorate in Clinical Psychology from the Adler School of Professional Psychology. She is registered in clinical, counselling, and rehabilitation psychology with the College of Psychologists of Ontario. Dr. Terra Seon has worked in various settings, including hospitals, community-based agencies, and private practice for over 16 years. Dr. Terra Seon has trained in various therapeutic models and techniques, such as Cognitive Behavioural & Solution-Focused. In addition, Dr. Terra Seon is a Co-founder of Durham Psychologists. Dr. Terra Seon completed her doctoral internship at the Outpatient Mental Health Department at Markham Stouffville Hospital and practicums at the Forensic unit at Whitby Mental Health Centre and Markham Stouffville Family Life Centre. She provides various psychotherapeutic services, including psychotherapy, counselling, and psychological assessment for a wide range of presenting problems.”

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Contact:

  • admin@durhampsychologists.ca
(905) 683-2678

Mon-Thu: 9am - 7pm
Fri: 9am - 5pm
Sat & Sun: Closed

TBR® Inspection Report:

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