The Maimonides Early Childhood Health-Mental Health Prevention and Treatment Program is described. The program provides a broad range of preventive services to children who are five years of age and younger. Services are organized into Post-Natal and Pre-School Programs. The Post-Natal Program offers group education and counseling, individual psychiatric counseling, parent education groups, pediatric examinations for medical status, visual problems, deafness, neurological examinations, laboratory tests for inborn errors of metabolism, and home visits. The Pre-School Program provides examinations for medical status, visual problems, deafness, group neurological examinations, developmental screenings, psychological testing, counseling, and parent education groups. (DP)