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PTSD Treatment at Principium Psychiatry

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Expert, compassionate care in New York, Los Angeles, Connecticut, Florida Garden City, and the Hamptons

Post-Traumatic Stress Disorder (PTSD) can emerge after exposure to trauma—whether a single catastrophic event or years of cumulative stress. Its effects reach far beyond the initial experience, disrupting sleep, concentration, relationships, and emotional stability. At Principium Psychiatry, we specialize in advanced, evidence-based treatment for PTSD across New York City, Los Angeles, Connecticut, Garden City, and the Hamptons. Our goal is to help patients move from re-living the past to reclaiming their present and future.
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Understanding PTSD

PTSD is a complex psychiatric condition that can develop after experiencing or witnessing trauma—such as violence, abuse, combat, accidents, or medical emergencies. Common symptoms include intrusive memories, nightmares, hypervigilance, emotional numbing, avoidance, and guilt. Many people with PTSD also experience depression, anxiety, or substance-related challenges.

At Principium Psychiatry, we recognize that trauma affects both the mind and body. Our treatment model integrates neuroscience-based psychiatry, trauma-informed psychotherapy, and interventional treatments that target both emotional and biological dimensions of trauma.

Our Comprehensive Treatment Model

Principium Psychiatry’s multidisciplinary team of psychiatrists, psychotherapists, and nurse practitioners collaborates to design a personalized treatment plan for every patient. Treatment may include a combination of medication management, therapy, interventional procedures, and precision testing.

Trauma-Focused Psychotherapy

Psychotherapy is the foundation of PTSD recovery. We offer several trauma-specific modalities:

  • Cognitive Behavioral Therapy (CBT) for Trauma

    Helps patients challenge distorted thoughts, process painful memories, and reframe core beliefs.

  • Prolonged Exposure Therapy (PE)

    Gradually reduces fear and avoidance by safely confronting traumatic memories under therapeutic guidance.

  • Eye Movement Desensitization and Reprocessing (EMDR)

    Uses bilateral stimulation to help the brain reprocess trauma and reduce emotional distress.

  • Psychodynamic and Attachment-Based Therapy

    Explores the emotional and relational impact of trauma, promoting self-understanding and resilience.

  • Group and Family Therapy

    Offers support and shared understanding for individuals and their loved ones affected by trauma.

Each therapy plan is individualized—whether addressing combat-related trauma, childhood abuse, medical trauma, or occupational stress in first responders, healthcare workers, and other high-risk professions.

Interventional Psychiatry for PTSD

Principium Psychiatry is one of the nation’s leaders in interventional psychiatry—offering advanced treatments for trauma-related disorders that have not responded to traditional methods.

  • Ketamine and Esketamine (Spravato®)

    Intravenous ketamine and intranasal Spravato® are highly effective for patients with treatment-resistant PTSD or co-occurring depression. Ketamine works on glutamate pathways, rapidly improving mood, reducing intrusive thoughts, and enhancing neuroplasticity.

  • Transcranial Magnetic Stimulation (TMS)

    TMS is a non-invasive, FDA-approved therapy that stimulates underactive areas of the brain involved in emotion regulation. It has shown substantial benefits in reducing hyperarousal and improving concentration and mood in patients with trauma histories.

  • Integrative Support

    For complex cases, we combine interventional treatments with psychotherapy, mindfulness-based stress reduction, and nutritional or sleep optimization.

Psychopharmacology

Medication can be an essential part of PTSD treatment, particularly for symptoms like insomnia, hyperarousal, depression, or panic. Our psychiatrists are experts in psychopharmacologic treatment of trauma, using evidence-based protocols that may include SSRIs, SNRIs, alpha-adrenergic agents, and mood stabilizers.

We also provide pharmacogenetic testing to personalize medication choices and minimize side effects. For many patients, this precision approach reduces the trial-and-error process that can delay recovery.

Precision Medicine and Neuropsychiatric Assessment

PTSD is not one-size-fits-all. We use advanced diagnostic and precision tools to understand each patient’s neurobiology and physiology. Pharmacogenetic testing, neurocognitive screening, and laboratory assessments help us identify contributing factors such as inflammation, hormonal imbalance, or metabolic stress—all of which may influence trauma recovery.

Conditions We Treat

Our clinicians treat the full spectrum of trauma-related conditions, including:

  • Post-Traumatic Stress Disorder (PTSD)
  • Acute Stress Disorder
  • Complex PTSD (C-PTSD)
  • Trauma-related Depression and Anxiety
  • Combat-related PTSD
  • Childhood and Developmental Trauma
  • Occupational Trauma in First Responders and Healthcare Professionals

We recognize that trauma affects individuals differently—whether through flashbacks, avoidance, irritability, or emotional shutdown—and we tailor treatment accordingly.

Why Choose Principium Psychiatry?

Leadership and Expertise

Founded by Dr. Ziv E. Cohen, board-certified psychiatrist and Clinical Associate Professor at Weill Cornell Medical College, Principium Psychiatry is nationally recognized for its expertise in forensic and interventional psychiatry. Dr. Cohen’s background in trauma and resilience work informs the practice’s deep understanding of PTSD across clinical, occupational, and legal contexts.

Multidisciplinary Collaboration

Our psychiatrists, psychotherapists, and advanced practitioners work as a team. Every patient benefits from multiple clinical perspectives, ensuring that treatment is comprehensive, coordinated, and individualized. Medication, therapy, and interventional services are seamlessly integrated across all locations.

Advanced Treatments for Complex Trauma

We excel in helping patients who have tried traditional therapy or medication elsewhere without success. Our interventional psychiatry program—offering ketamine, Spravato®, and TMS—is among the most comprehensive in the country. These treatments are administered under expert supervision in calm, supportive environments designed for healing.

Compassion, Privacy, and Respect

We understand that trauma often brings shame, fear, and isolation. Principium Psychiatry offers a compassionate, non-judgmental space where every patient is treated with dignity. Confidentiality is paramount, and our clinicians approach every case with empathy and professionalism.

Seven Locations, One Standard of Excellence

Principium Psychiatry provides trauma-informed care in:

  • New York City (Midtown and Downtown Manhattan)

    The flagship site, offering full interventional services, including TMS and ketamine.

  • Greenwich, Connecticut

    A tranquil, confidential environment for trauma recovery near Westchester and Fairfield counties.

  • Santa Monica, Los Angeles

    A modern clinic serving patients from Santa Monica, Brentwood, and Beverly Hills, specializing in Spravato®, ketamine, and psychotherapy.

  • The Hamptons

    Providing seasonal and year-round care for trauma and anxiety disorders in a discreet setting.

  • Garden City, Long Island

    Comprehensive, patient-centered psychiatric services delivered with excellence in the heart of Garden City on Long Island.

  • Boca Raton / Miami, Florida

    Serving Boca Raton and Miami with advanced depression treatments: Spravato®️, ketamine, personalized psychotherapy, and more.

Our unified medical records system and consistent treatment protocols ensure continuity across all locations—so your care remains uninterrupted no matter where you are.

Our Treatment Philosophy: From Survival to Recovery

At Principium Psychiatry, we view trauma not only as an injury but also as an opportunity for transformation. Our goal is not merely to reduce symptoms but to help patients rebuild trust, restore safety, and rediscover purpose.

We combine the most advanced psychiatric science with deep clinical empathy—balancing measurable outcomes with the human connection essential to recovery. Whether your PTSD stems from a single event or chronic adversity, our team will walk with you through every stage of healing.

Serving Patients Across Regions

Each of our locations is designed to provide world-class PTSD treatment in environments that are both discreet and welcoming:

  • Manhattan

    For professionals, veterans, and trauma survivors seeking comprehensive interventional and psychotherapy services.

  • Greenwich, CT

    A suburban option with privacy and flexible hybrid scheduling.

  • Santa Monica, CA

    Ideal for Los Angeles residents seeking cutting-edge care in a calm, coastal setting.

  • The Hamptons

    For year-round or seasonal residents desiring continuity of care during recovery.

  • Garden City, Long Island

    Exceptional psychiatric care for those seeking advanced, supportive treatment conveniently located in Garden City, Long Island.

  • Boca Raton / Miami, Florida

    For South Florida residents seeking advanced interventional psychiatry and psychotherapy—high-touch, discreet care with convenient in-person and hybrid options.

Why Principium Is the Best Choice for PTSD Treatment

Principium Psychiatry is a leading destination for PTSD treatment in New York, Los Angeles, Connecticut, Garden City, and the Hamptons because of our combination of clinical sophistication, integrated modalities, and patient-centered philosophy. Our multi-state network ensures that wherever life takes you, the same trusted team can continue your care.

If you or someone you love is struggling with trauma or PTSD, there is real hope—and effective help.

Take the Next Step Toward Healing

Recovery from trauma is possible. Principium Psychiatry’s team of trauma-informed psychiatrists and therapists offers the most advanced, compassionate PTSD treatment available in New York City, Los Angeles, Connecticut, Garden City, and the Hamptons.

Contact us today to schedule a confidential consultation and begin your path toward peace and restoration.

www.principiumpsychiatry.com
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