Nutrition Information System (NIS) developed by Heath Ministry's Nutritional Development Directorate since 2011 covers data of toddler assessment in integrated health care, malnutrition case, coverages of Fe tablet among pregnant mothers, iodized salt consumption, vitamin A distribution and exclusive breastfeeding. This study aimed to assess NIS performance in South Tangerang City Health Agency using WHO's Health Metrics Network 2008 framework. NIS is national level information system with gradual reporting mechanism starting from 508 districts/cities to 34 provinces ended at national level. Eight districts/cities over Banten Province have conducted NIS. This study had six informants namely nutrition section, health resources and health information system section, two nutrition duties and two integrated health care workers. Data was collected on January - April 2013 using interview, observation and document analysis guidelines. Data analysis used interpretation analysis. The result showed no any policy and training implemented regarding nutrition surveillance. Monitoring activity was already conducted. Facilities were adequate, but the maintenance was deficient. There are six nutritional development indicators according to MDGs. Data grouping and dictionaries were available. Data reporting was conducted every month. Graphics and maps were used for presenting data. The data served was used for monitoring and making a decision on nutritional development programs at integrated health care, primary health care and health agency levels. Generally, NIS implementation in South Tangerang City. Health agency was already adequate.