Dr. Dmitry Guller – Psychiatrist | Orillia, ON

Dr. Dmitry Guller 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 St Joseph's Health Centre in Orillia, 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 practice is committed to delivering respectful and confidential mental health care, fostering a safe space for patients to explore their concerns and work towards recovery and well-being.

Dr. Guller graduated with a Medical Degree from Schulich School of Medicine and Dentistry (Canada). With over 14 years of experience as a Psychiatrist since 2010, he is recognized as a RCPSC Specialist by the College of Physicians and Surgeons of Ontario (CPSO). His extensive training and clinical expertise enable him to address complex mental health issues with a comprehensive, evidence-based approach.

He believes in a collaborative model of care, emphasizing patient empowerment through education and understanding. Dr. Guller is dedicated to building a therapeutic alliance based on trust and respect, providing tailored treatment plans that align with each patient's unique needs. Fluent in English, he is committed to offering compassionate and effective mental health care to the community of Orillia.

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

Anxiety, OCD & Trauma-Related Disorders

• Post-Traumatic Stress Disorder (PTSD): Develops after experiencing or witnessing a terrifying event, involving symptoms like flashbacks, nightmares, severe anxiety, and uncontrollable thoughts about the event.
• Social Anxiety Disorder (Social Phobia): Intense fear or anxiety of social situations where one might be scrutinized by others, leading to avoidance.

Personality Disorders

• Antisocial Personality Disorder (ASPD): A pattern of disregarding or violating the rights of others, often involving deceitfulness, impulsivity, irritability, and lack of remorse.
• Obsessive-Compulsive Personality Disorder (OCPD): A preoccupation with orderliness, perfectionism, and mental and interpersonal control, at the expense of flexibility, openness, and efficiency (distinct from OCD).

Other Psychiatric Conditions & Focus Areas

• Somatic Symptom Disorder & Illness Anxiety Disorder: Characterized by significant focus on physical symptoms (Somatic Symptom Disorder) or preoccupation with having or acquiring a serious illness (Illness Anxiety Disorder), causing major distress or functional impairment.
• Eating Disorders (Anorexia Nervosa, Bulimia Nervosa, Binge Eating Disorder - psychiatric co-management): Serious conditions related to persistent eating behaviors that negatively impact health, emotions, and ability to function, often requiring multidisciplinary care including psychiatric management.
• Impulse Control Disorders (e.g., Intermittent Explosive Disorder, Kleptomania): Difficulties controlling impulses or urges, leading to behaviors that are harmful to oneself or others.

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

• Augmentation & Combination Strategies for Treatment-Resistant Conditions: Employing advanced psychopharmacological strategies, including combining medications or adding augmenting agents, for individuals who have not responded adequately to initial treatments.
• Comprehensive Psychiatric Assessment & Diagnostic Evaluation: In-depth clinical interview to assess mental health status, including review of psychiatric and medical history, family history, psychosocial factors, symptom patterns, and formulation of a multiaxial diagnosis according to DSM/ICD criteria.
• Treatment of Mood Disorders (Depression, Bipolar Disorder) with Medication: Pharmacological management of major depressive disorder, dysthymia, bipolar I & II disorder, and cyclothymia, utilizing evidence-based medication strategies.
• Group Therapy (various focuses, e.g., mood disorders, anxiety, trauma, DBT skills): Facilitating therapeutic groups where individuals with similar concerns can share experiences, learn coping strategies, and receive mutual support under the guidance of a therapist.
• Neuropsychiatric Evaluation & Cognitive Assessment (Initial Screening/Referral): Initial assessment of cognitive function and neuropsychiatric symptoms, with referral for detailed neuropsychological testing if indicated, to differentiate psychiatric from neurological conditions.
• 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.

Note: This list provides a general overview. Treatment approaches are highly individualized. Please discuss with Dr. Guller 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.

St Joseph's Health Centre in Orillia is situated in the areas near central Orillia, conveniently accessible via local public transit. The facility is situated close to several local points of interest, making it easy for patients to visit. The building offers wheelchair accessibility, ensuring a comfortable and private environment for all patients. Paid parking options are conveniently located, some with direct building access, providing ease of access for those arriving by car. The practice maintains a discreet and welcoming atmosphere, dedicated to respecting patient confidentiality and promoting ease of access.

Are psychiatric consultations and treatments with Guller, 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 Guller 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 Guller's office or Ontario Health Insurance Plan (OHIP).

Do I need a referral to see Guller, 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 Guller 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.

How is confidentiality handled in psychiatric care?

Confidentiality is a cornerstone of psychiatric care. Information you share with Dr. Guller and his team is kept private and protected by law and professional ethics. This means your information will not be disclosed to anyone without your explicit consent, except in very specific situations where there is a legal obligation or an immediate risk of serious harm to yourself or others (e.g., imminent risk of suicide or homicide, child abuse, or a court order). Dr. Guller will typically discuss the limits of confidentiality with you at the beginning of your treatment.

How can I prepare for my first appointment with Guller?

For your first psychiatric appointment with Guller, it's helpful to gather some information beforehand. Try to make a list of your main concerns, symptoms (including when they started, how often they occur, and their intensity), and any significant life events or stressors. Bring a list of all current medications (psychiatric and non-psychiatric), including dosages, as well as any past psychiatric medications you've tried and your experience with them. Information about your family history of mental health conditions can also be very useful. Be prepared to discuss your personal history, social situation, and coping strategies. Writing down any questions you have for Guller can also ensure you get the most out of your consultation.

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

A referral to a Psychiatrist like Dr. Guller 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 Guller 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. Guller 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.

Does Guller offer psychotherapy (talk therapy)?

Many psychiatrists, including potentially Guller, 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 Guller'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.

St Joseph's Health Centre
170 Colborne Street West, Department of Psychiatry
Orillia, ON L3V 2Z3

Phone: (705) 325-2201

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

Dr. Guller 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. Guller 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/Guller-Dmitry/0219938-82729