Tirrell De Gannes, Psy.D.

Licensed Clinical Psychologist

therapist Tirrell De Gannes
Tirrell De Gannes, Psy.D.
Licensed Clinical Psychologist
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Tirrell De Gannes, Psy.D.

Licensed Clinical Psychologist

Dr. Tirrell De Gannes, Psy.D., is a highly regarded licensed clinical psychologist based in New York City, known for his expertise across a wide range of mental health disciplines. Dr. De Gannes provides compassionate and evidence-based psychotherapy to adults and couples, helping them navigate challenges related to anxiety, obsessive-compulsive disorder (OCD), trauma, grief, substance use, and interpersonal difficulties.

With extensive experience in diverse clinical settings—including schools, private practices, and community mental health centers—Dr. De Gannes is committed to meeting clients where they are in their stage of change. He values cultural awareness and strives to create a therapeutic environment that respects and supports the unique backgrounds of each individual.

Dr. De Gannes employs a blend of Cognitive Behavioral Therapy (CBT), Mindfulness, and Humanistic-Existential approaches, empowering clients to achieve personal growth and enhance their well-being. His work has been recognized in prominent publications such as Men’s Journal, Business Insider, Mental Health Weekly, and Well + Good, where he is frequently featured as an expert voice in the mental health field.

Whether you’re seeking support for anxiety, working through relationship challenges, or striving for personal development, Dr. Tirrell De Gannes provides the professional guidance and empathetic care needed to help you reach your optimal self.

Top Specialties
  • Cultural Issues / Racial Trauma
  • Obsessive Compulsive Disorder (OCD)
  • Phobias
  • Trauma
Specialties
  • Anger
  • Anxiety
  • Attention-Deficit / Hyperactivity Disorder (ADHD)
  • Bipolar Disorder
  • Burnout
  • Chronic / Physical Illness
  • Confidence / Self Esteem
  • Depression
  • Divorce
  • Eating Disorders
  • Grief & Bereavement
  • Identity
  • LGBTQIA+ Related Issues
  • Life Transitions
  • Loneliness
  • Parenting
  • Peak Performance / Executive Coaching
  • Performance Anxiety
  • Post-Traumatic Stress Disorder (PTSD)
  • Relationships
  • Sex Therapy
  • Sexual Trauma
  • Sleeping Problems
  • Stress
  • Substance Abuse
  • Women’s Issues
Therapeutic Approach
  • Cognitive Behavioral Therapy (CBT)
  • Compassion-Focused Therapy (CFT)
  • Exposure Therapy
  • Family Systems
  • Hypnotherapy
  • Psychodynamic
  • Virtual Reality Therapy
Education / Qualifications
Undergrad - Stony Brook University
Graduate - The Chicago School of Professional Psychology
Doctorate - The Chicago School of Professional Psychology
Client Focus
  • Individual (Adult)
  • Individual (Adolescents 12-17)
  • Couples / Marriage

Location / Map

Midtown
|
New York City

600 Third Avenue,
Floor 2,
New York, NY 10016
Mon-Thu 9AM-7PM
Fri 9AM-4PM
Sat-Sun Closed

SoHo
|
New York City

101 Sixth Ave,
Floor 8,
New York, NY 10013
Mon-Thu 9AM-7PM
Fri 9AM-4PM
Sat-Sun Closed