Dr. Dorian Alvin Deshauer – Psychiatrist | Toronto, ON

Dr. Dorian Alvin Deshauer is a dedicated Psychiatrist specializing in the diagnosis, treatment, and prevention of a wide range of mental, emotional, and behavioral disorders in adults, and may see older adolescents for certain conditions. Practicing at Trillium Health Trillium in Toronto, ON, he is a key member of the local mental healthcare community. He provides comprehensive psychiatric care, including diagnostic assessment, medication management, and psychotherapeutic interventions for a variety of conditions such as mood disorders, anxiety disorders, and psychotic disorders. His adherence to the standards set by the College of Physicians and Surgeons of Ontario (CPSO) ensures that patients receive high-quality, ethical, and confidential mental health services.

Dr. Deshauer graduated with a Medical Degree from the University of Manitoba in Canada and has over 27 years of experience practicing as a Psychiatrist since 1997. He is recognized as a RCPSC Specialist by the College of Physicians and Surgeons of Ontario (CPSO), reflecting his extensive training and expertise in psychiatric medicine. His clinical background encompasses a broad spectrum of mental health conditions, with a focus on evidence-based approaches tailored to individual patient needs.

Driven by a commitment to collaborative care, Dr. Deshauer emphasizes patient empowerment through education and understanding. He believes in fostering a therapeutic alliance built on trust and respect, ensuring that each patient feels heard and supported throughout their mental health journey. Providing care in English, he dedicates himself to serving the Toronto community with compassion and professionalism, always prioritizing the well-being and dignity of his patients.

Dr. Dorian Deshauer provides assessment and treatment for a wide spectrum of mental health conditions, including:

Mood Disorders

• Bipolar Disorder (Type I, Type II, Cyclothymia): Characterized by extreme shifts in mood, energy, activity levels, and concentration, ranging from depressive lows to manic or hypomanic highs.
• Major Depressive Disorder (MDD) / Clinical Depression: Persistent feelings of sadness, loss of interest or pleasure, fatigue, changes in appetite or sleep, and difficulty concentrating, significantly impairing daily functioning.

Substance-Related & Addictive Disorders (Dual Diagnosis)

• Dual Diagnosis (Co-occurring Substance Use Disorder & Other Mental Illness): The simultaneous presence of a substance use disorder and one or more other psychiatric disorders (e.g., depression, anxiety, bipolar disorder, schizophrenia).
• Stimulant Use Disorder (e.g., Cocaine, Amphetamines): Problematic pattern of stimulant use leading to impairment or distress.

Other Psychiatric Conditions & Focus Areas

• Sleep-Wake Disorders (Insomnia, Hypersomnolence, Parasomnias - when psychiatrically related): Persistent disturbances in sleep patterns or quality that are often comorbid with or exacerbated by psychiatric conditions.
• Dissociative Disorders: Conditions involving disruptions or breakdowns of memory, consciousness, awareness, identity, and/or perception, often linked to trauma.

This list is not exhaustive. Effective mental health care is highly personalized. Please consult with Dr. Dorian Deshauer for an accurate diagnosis and tailored treatment plan.

• Crisis Intervention & Urgent Psychiatric Assessment (in appropriate settings): Providing rapid assessment and intervention for individuals experiencing acute psychiatric crises, such as suicidal ideation, acute psychosis, or severe agitation, typically in emergency departments or crisis clinics.
• Treatment of Anxiety Disorders (GAD, Panic, Social Anxiety, OCD, PTSD) with Medication: Use of anxiolytics, antidepressants (SSRIs, SNRIs), and other medications to manage symptoms of generalized anxiety disorder, panic disorder, social phobia, obsessive-compulsive disorder, and post-traumatic stress disorder.
• Second Opinion Consultations for Complex Psychiatric Cases: Providing expert second opinions on challenging diagnoses, treatment-resistant conditions, or complex psychopharmacological management plans.
• Medication Management for ADHD in Adults & Children/Adolescents: Prescription and monitoring of stimulant and non-stimulant medications for Attention-Deficit/Hyperactivity Disorder across the lifespan.
• Capacity Assessment (Mental Capacity/Competency Evaluation - specific contexts): Specialized evaluations to determine an individual's mental capacity to make informed decisions regarding treatment, finances, or other legal matters, often in forensic or geriatric settings.
• Individual Psychotherapy (various modalities): Offering one-on-one talk therapy tailored to individual needs, potentially incorporating elements from different therapeutic approaches (e.g., psychodynamic, CBT, supportive).

Note: This list provides a general overview. Treatment approaches are highly individualized. Please discuss with Dr. Deshauer for care relevant to your specific mental health needs.

All psychiatric services are provided in accordance with the standards of practice set by the College of Physicians and Surgeons of Ontario (CPSO) and relevant psychiatric care guidelines. Contact the clinic or your referring physician regarding new patient intake and referral processes.

Trillium Health Trillium is situated in Toronto's vibrant St. James Town neighbourhood, adjacent to the Museum of Contemporary Art (MOCA). The facility is easily accessible via TTC (Subway, Streetcar, Bus), with multiple routes serving the area. The building is wheelchair accessible and aims to provide a comfortable and private environment for all patients. Metered street parking and nearby public lots are available for those arriving by car. The practice offers a discreet, welcoming atmosphere designed to foster trust and ease for patients seeking mental health care.

Are psychiatric consultations and treatments with Deshauer, a Psychiatrist, covered by Ontario Health Insurance Plan (OHIP) in ON?

Medically necessary consultations, diagnostic assessments, and medication management provided by a licensed Psychiatrist like Deshauer are generally covered by Ontario Health Insurance Plan (OHIP) in ON when a referral from a family doctor is in place. Coverage for psychotherapy services provided by a psychiatrist can vary; some provinces cover it, while others may have limitations or it may be part of hospital-based programs. Specific medications may also require special authorization or be subject to formulary restrictions. It's crucial to discuss coverage specifics for therapy or any specialized treatments with Deshauer's office or Ontario Health Insurance Plan (OHIP).

Do I need a referral to see Deshauer, a Psychiatrist?

Yes, a referral from your family physician or another medical doctor (e.g., a pediatrician for child psychiatry, or an ER physician for urgent assessment) is almost always required to see a Psychiatrist such as Deshauer for services covered by the provincial health plan. Mental health conditions often benefit from initial assessment by a primary care provider who can determine the need for specialist psychiatric care. The referral ensures coordinated care, appropriate triaging, and transfer of relevant medical history.

Does Deshauer offer psychotherapy (talk therapy)?

Many psychiatrists, including potentially Deshauer, are trained in various forms of psychotherapy (talk therapy) and may offer it as part of their treatment approach, either as a standalone treatment or in combination with medication. The specific types of psychotherapy offered can vary (e.g., Cognitive Behavioral Therapy - CBT, psychodynamic therapy, supportive therapy). It's best to inquire directly with Deshauer's office or discuss this during your initial consultation to understand his approach to therapy and if it's a service He provides or if He would refer you to another mental health professional like a psychologist or social worker for more intensive or specialized psychotherapy if needed.

When should someone consider a referral to a Psychiatrist like Deshauer?

A referral to a Psychiatrist like Dr. Deshauer is typically considered when mental health symptoms are severe, persistent, complex, or not responding adequately to initial treatments provided by a family doctor or therapist. This can include: thoughts of suicide or self-harm; severe depression or mania; psychosis (hallucinations, delusions); debilitating anxiety or panic attacks; complex PTSD; severe OCD; suspected bipolar disorder or schizophrenia; treatment-resistant depression; or when medication management by a specialist is indicated. Psychiatrists are also consulted for diagnostic clarification and comprehensive treatment planning, especially for co-occurring conditions.

What does a Psychiatrist like Deshauer specialize in?

A Psychiatrist is a medical doctor (MD) who has completed specialized training in psychiatry, which is the branch of medicine focused on the diagnosis, treatment, and prevention of mental, emotional, and behavioral disorders. Unlike psychologists, psychiatrists can prescribe medication. He is a Psychiatrist who assesses, diagnoses, and treats mental, emotional, and behavioral disorders through medication, psychotherapy, or other interventions. Deshauer is trained to assess both the mental and physical aspects of psychological problems and can provide a range of treatments including psychotherapy, medications, and sometimes other interventions like ECT or rTMS.

Trillium Health Trillium
59 Adelaide St. East, 2nd Floor
Toronto, ON M5C 1K6

Phone: (416) 591-4411

The facility is wheelchair accessible and aims to provide a comfortable and private environment for all patients.

Dr. Deshauer is a licensed Psychiatrist regulated by the College of Physicians and Surgeons of Ontario (CPSO) under the Regulated Health Professions Act, 1991 and Medicine Act, 1991 in ON. A referral from a family physician or another medical doctor is typically required for consultations with Dr. Deshauer for services covered by the provincial health plan.

Verify registration with the College of Physicians and Surgeons of Ontario (CPSO): https://doctors.cpso.on.ca/DoctorDetails/Deshauer-Dorian-Alvin/0050648-64627