Preferred Behavioral Health Group is the leading behavioral healthcare organization in central New Jersey. Since 1978, Preferred Behavioral Health Group of NJ has been dedicated to providing quality care to those in need of guidance, counseling and assistance with difficult personal issues.Preferred Behavioral Health Group is the leading behavioral healthcare organization in central New Jersey. Since 1978, Preferred Behavioral Health Group of NJ has been dedicated to providing quality care to those in need of guidance, counseling and assistance with difficult personal issues.