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Gregory S. Chasson Ph.D.

Obsessive-Compulsive Solutions of Chicago, 1100 Lake Street, #255C Oak Park, IL 60301


Credentials and degrees:

Ph.D. in Clinical Psychology, Illinois Licensed Clinical Psychologist (#071009307), Completed pre- and post-doctoral fellowships through Harvard Medical School at McLean Hospital and Massachusetts General Hospital, respectively. Specialty training in the treatment of obsessive-compulsive spectrum conditions and autism spectrum conditions.


Psychological services to ages 9+ specifically specializing in cognitive-behavioral therapy (CBT) for fear, worry, anxiety, habits, tics, obsessive-compulsive spectrum conditions, and autism spectrum conditions.

Treatment methods:

Habit reversal training and other cognitive-behavioral therapy techniques

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