3 Best Psychiatrists in Waterloo, ON

Expert-recommended Top 3 Psychiatrists in Waterloo, ON. All of our psychiatrists 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. Siva Appavoo - Waterloo, ON Psychiatrists - Healthcare Staff Image
10+ YEARS ON TBR
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DR. SIVA APPAVOO

445 Beechwood Place, Suite 202,
Waterloo, ON N2T 1Z2 Directions

Since 1976

Specialty:

✓Depression ✓Insomnia ✓Schizophrenia ✓Acne ✓Trauma Disorder ✓PTSD Disorder ✓Mental Illness ✓Bipolar Disorder ✓Manic Depressive Disorder ✓Sleep Disorder ✓Eating Disorders ✓Psychotherapy

"Dr. Siva Appavoo finished his medical education at the University of Bombay. He specializes in treating Bipolar Disorders. His care is personalized to each person's needs. Dr. Siva Appavoo provides a warm and welcoming environment for his patients. He is dedicated to patient education and employs various strategies to empower clients to resolve their issues and deliver quality care, focusing on treatment results. Dr. Siva Appavoo is proficient in Afrikaans and English and provides flexible appointment scheduling to the patients. He is deeply committed to providing a safe, nonjudgmental space where patients feel heard and supported.

2026 Highlights: Dr. Siva Appavoo is certified by the Royal College of Physicians and Surgeons of Canada."

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License #75901

Contact:

(519) 880-9878

Mon-Thu: 10am - 5pm
Fri-Sun: Closed

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Dr. Cletus Chike Okonkwo - Waterloo, ON Psychiatrists - Healthcare Staff Image
4+ YEARS ON TBR
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DR. CLETUS CHIKE OKONKWO

430 The Boardwalk, Suite 308,
Waterloo, ON N2T 0C1 Directions

Since 1995

Specialty:

✓Personality Disorder ✓Grief ✓Loss ✓Mood Disorders ✓Depression ✓Stress ✓Strange Behavior ✓Memory Loss ✓Affective Disorders ✓Borderline Personality Disorders

"Dr. Cletus Chike Okonkwo graduated with his medical degree from the University of Lagos. He has over 30 years of experience in the field of psychiatry. Dr. Cletus Chike Okonkwo specializes in treating a comprehensive range of mental health-related disorders. He is a general and geriatric psychiatrist with expertise in acute and community psychiatry, administration and leadership. He has hospital privileges with Grand River Hospital and St Mary's General Hospital. His practice is also available in Kitchener, ON. Dr. Cletus Chike provides a safe and comfortable environment for patients during treatment and communicates effectively in English and Ibo. Dr. Cletus Chike Okonkwo focuses on the unique mental health needs of older adults and those with complex emotional challenges.

2026 Highlights: Dr. Cletus Chike Okonkwo is the current Regional Chair of Psychiatry at KBRH and a Clinical Instructor at the University of British Columbia (UBC). He previously served as an Adjunct Senior Lecturer at the University of Limerick and practises as a general psychiatrist, with special interests in geriatric psychiatry and Dialectical Behaviour Therapy (DBT)."

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License #102237

Contact:

(519) 744-1785

By Appointment

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Dr. Leanne Martin - Waterloo, ON Psychiatrists - Healthcare Staff Image
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DR. LEANNE MARTIN

430 The Boardwalk, Suite 406,
Waterloo, ON N2T 0C2 Directions

Since 2011

Specialty:

✓Depression ✓Bipolar Disorder ✓Mood Disorders ✓Memory Loss ✓Stress ✓Fear

“2025 Highlights: Dr. Leanne Martin completed her medical degree at Memorial University of Newfoundland’s Faculty of Medicine, followed by specialized training in psychiatry. She is certified by the Royal College of Physicians and Surgeons of Canada. Dr. Martin treats a wide range of mental health conditions and provides counselling for individuals and families. She emphasizes clear communication to help patients understand their conditions and treatment options, delivering compassionate, respectful care focused on achieving lasting outcomes.”

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License #111453

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