Claudia P. Diez

Psychologist, PhD

Contact Info



  • Psychologist
    New York


200 W 57th St, Suite 1310
New York, NY 10019
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Telephone: 2127448073

Dr. Diez is a Board Certified Psychologist (Diplomate, American Board of Professional Psychology) and a licensed private practitioner in New York City. She is Assistant Clinical Professor at Mt. Sinai's Icahn School of Medicine and former Assistant Clinical Professor at Columbia University College of Physicians and Surgeons.

Dr. Diez has two decades of work experience gained in New York and abroad in the areas of mental health and human behavior. As a Board Cerified Clinical Psychologist (ABPP), she is one of the few specialists in New York State who have undergone oversight and review of her work and competences by the highest credentialing board in the profession witin the United States.

Dr. Diez pursued advanced psychoanalitic training at the New York University Post-Doctoral Program in Psychoanalysis and Psychotherapy. She holds a certificate on Couples Psychotherapy obtained at the William Alanson White Institute.  She is a doctoral graduate (Ph.D.) in clinical psychology , She also graduated with a Master of Arts degree in General Psychology from The New School University in New York City. Prior to graduation in New York City she completed a Master's degree in clinical psychology ("Licenciatura en psicología") at the Universidad Nacional de Córdoba, Argentina, and was a psychoanalytic training candidate at the Asociación Psicoanalítica de Córdoba.

In New York City, Dr. Diez trained at Beth Israel, Bellevue, Montefiore, Bronx Lebanon, Bronx Psychiatric and Bronx Children's Hospitals, where she provided a broad range of clinical services including emergency room, psychiatric evaluations and psychotherapy to ambulatory and hospitalized clients and neuropsychological assessment. She worked with adults and children, from the very highly functioning to the severely mentally ill persons, in individually, family, couple and group modalities, following evidence-based practices (i.e., Cognitive Bevahioral Therapy), as well as humanistic, psychodynamic and interpersonal principles.

In Argentina she was a Psychology Resident within the Interdisciplinary Residencial Training Program in Mental Health at the Dr. Emilio V. Abal Psychiatric Hospital. Upon completion of her four-year residence training she was selected Chief Resident, subsequently becoming attending staff psychologist at the same hospital. She also trained at the Hospital Psicoasistencial J. Borda in Buenos Aires.

Dr. Diez works with direct pay and as an Out of Network provider. She bills clients' insurance for reimbursment.


  • Anxiety and Panic Disorders
  • Relationship Issues
  • Couples Therapy
  • Executive Coaching
  • Divorce

Treatment Orientation

  • Life Coaching
  • Integrative
  • Interpersonal (IPT)
  • Multicultural
  • Psychodynamic
  • Trauma Focused
  • Attachment-based
  • Experiential Therapy
  • Relational
  • Solution Focused Brief (SFBT)

Age Groups

  • Adults
  • Elders (65+)
  • Young Adults (20's & 30's)

Alternative Language

  • Spanish