Dr. Deborah Haller is a psychologist practicing in New York, NY. Dr. Haller specializes in the treatment of mental health problems, and helps people to cope with their mental illnesses. As a psychologist, Dr. Haller evaluates and treats patients through a variety of methods, most typically being psychotherapy or talk therapy. Patients usually visit Dr. Haller because they have been experiencing depression, anxiety, stress or anger for a significant period of time and are seeking help. Psychologists may perform a variety of exams and assessments to diagnose a mental condition.