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24Hour Hotline 8002252473 Northern IllinoisCritical Incident Stress Management Team Helping Those Who Help Others Welcome. The Northern Illinois Critical Incident Stress Management NICISM Team is dedicated to providing immediate comprehensive crisis response interventions and preincident stress management education for emergency service personnel throughout the Chicagoland area. Our service area includes the following counties Cook DuPage Grundy Kane Kankakee Kendall Lake McHenry and Will. We strive to provide the highest standards of Critical Incident response to any emergency service person or group involved in a traumatic incident.