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About Dr. Masi

Mark Masi is a licensed clinical psychologist who received his doctorate in clinical psychology from the Illinois School of Professional Psychology in 1993. In addition to his training in clinical psychology, Dr. Masi obtained certification training in hypnosis through the National Guild of Hypnotists. Prior to opening his practice in 1996, Dr. Masi served as clinical administrator and supervisor at the Renz Addiction Counseling Center in Elgin, IL from 1987-1994 and as director of psychology training and outpatient services at Allendale Association in Lake Villa, IL from 1994-1997.

Areas of Practice

Dr. Masi’s uses a variety of psychotherapy approaches to help teenagers and adults overcome a variety of emotional, relational, and behavioral struggles in a safe, supportive, and confidential environment. For specific issues such smoking cessation, weight loss, relief from anxiety, chronic stress and prolonged sadness Dr. Masi can discuss the potential benefits of integrating clinical hypnosis as part of the treatment plan for those who are interested.

Conditions Treated

Treatment is available for older adolescents and adults who are struggling with issues related to depression, anxiety, substance use, eating disorders, anger control, life stress, nicotine dependence and weight management.


About Allied Clinical Psychologists, Ltd.

Allied Clinical Psychologists, Ltd., was established by Dr. Mark Masi to empower people to work through difficulties affecting their emotional, relational, physical or spiritual well-being in a safe, supportive, and confidential environment. Dr. Masi is a Licensed Clinical Psychologist who obtained his doctorate from the Illinois School of Professional Psychology. In addition he is a certified hypnotherapist through the National Guild of Hypnotists. He uses his clinical skills to help individuals work through troublesome emotions, thoughts and promote healing and personal growth. In addition to his private practice, Dr. Masi is an adjunct faculty member at National-Louis University.