* Impact Health Counseling. LLC 4 2nd Ave, Suite 106, Denville, NJ 07834 Directions Enter your starting address: Impact Health, LLC is a comprehensive counseling practice that provides individual, group, and couples sessions for those looking to improve their overall health through positive and achievable behavioral changes. We are licensed clinicians in the fields of social work and counseling of psychology that have obtained extensive education within both academic and clinical settings. Our staff has a proven track record of positively impacting health. We treat diverse populations with a myriad of diagnosis and clinical presentations.Individual and Group Counseling for Children, Adolescents, & Adults.