Dr. Marc Lefebvre

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

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.

Schizophrenia Spectrum & Other Psychotic Disorders

• Schizophrenia: A serious mental disorder affecting how a person thinks, feels, and behaves, often involving delusions, hallucinations, disorganized speech, and impaired functioning.
• Substance/Medication-Induced Psychotic Disorder: Psychotic symptoms (hallucinations or delusions) that develop during or soon after substance intoxication or withdrawal or after exposure to a medication.
• Delusional Disorder: Characterized by one or more firmly held false beliefs (delusions) that persist for at least one month, without other prominent symptoms of schizophrenia.

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.
• 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.
• 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. Marc Lefebvre for an accurate diagnosis and tailored treatment plan.

• 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.
• 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.
• Dialectical Behavior Therapy (DBT) - Skills Training / Informed Therapy: Providing DBT-informed therapy or facilitating DBT skills groups to help individuals manage intense emotions, reduce self-harming behaviors, and improve relationships, particularly for borderline personality disorder.
• 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.
• Couples & Family Therapy (psychiatric context): Providing therapy to couples or families to address relationship dynamics, communication problems, and the impact of mental illness on the family system.
• 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.

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

All psychiatric services are provided in accordance with the standards of practice set by the Collège des médecins du Québec (CMQ) and relevant psychiatric care guidelines. Contact the clinic or your referring physician regarding new patient intake and referral processes.

CSSS du Nord de Lanaudière (CHDL) in Saint-Charles-Borromée is situated in an accessible area near central Saint-Charles-Borromée, easily reachable via local public transit. The practice is located within a facility that is wheelchair accessible and designed to provide a discreet, welcoming environment for all patients. The surrounding neighborhood features several local points of interest, with parking available at or near the facility, including designated accessible spots. The practice prioritizes patient comfort and confidentiality, ensuring a secure and private setting for mental health care.

Are psychiatric consultations and treatments with Lefebvre, a Psychiatrist, covered by Régie de l'assurance maladie du Québec (RAMQ) in QC?

Medically necessary consultations, diagnostic assessments, and medication management provided by a licensed Psychiatrist like Lefebvre are generally covered by Régie de l'assurance maladie du Québec (RAMQ) in QC 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 Lefebvre's office or Régie de l'assurance maladie du Québec (RAMQ).

Do I need a referral to see Lefebvre, 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 Lefebvre 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.

What is the main difference between a Psychiatrist like Lefebvre and a Psychologist?

The main difference is that a Psychiatrist, like Lefebvre, is a medical doctor (MD) who has completed medical school and then specialized residency training in psychiatry. Because they are physicians, psychiatrists can diagnose mental health conditions, prescribe and manage psychotropic medications, and provide various forms of psychotherapy. They can also order medical tests to rule out physical causes of psychiatric symptoms. A Psychologist typically has a doctoral degree (PhD or PsyD) in psychology and is trained in psychological assessment, diagnosis, and providing psychotherapy (talk therapy). Psychologists generally cannot prescribe medication in Canada, though they often work closely with psychiatrists or family doctors who do.

How can I prepare for my first appointment with Lefebvre?

For your first psychiatric appointment with Lefebvre, 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 Lefebvre can also ensure you get the most out of your consultation.

How is confidentiality handled in psychiatric care?

Confidentiality is a cornerstone of psychiatric care. Information you share with Dr. Lefebvre 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. Lefebvre will typically discuss the limits of confidentiality with you at the beginning of your treatment.

Does Lefebvre offer psychotherapy (talk therapy)?

Many psychiatrists, including potentially Lefebvre, 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 Lefebvre'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.

What does a Psychiatrist like Lefebvre 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. Lefebvre 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.

CSSS du Nord de Lanaudière (CHDL)
1000 boul Sainte-Anne
Saint-Charles-Borromée, QC J6E 6J2

Phone: (450) 834-5407 | Fax: (450) 834-5400

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

Dr. Lefebvre is a licensed Psychiatrist regulated by the Collège des médecins du Québec (CMQ) under the Medical Act in QC. A referral from a family physician or another medical doctor is typically required for consultations with Dr. Lefebvre for services covered by the provincial health plan.

Verify registration with the Collège des médecins du Québec (CMQ): https://www.cmq.org/en/directory/physicians?number=99276