This report was authored by Allyson English, Chloe Lanzara, Arunima Awale, and Laurel Hatt of Results for Development (R4D), a partner on the Primary Health Care Performance Initiative (PHCPI). It includes a case study on IntraHealth's Informed Push Model (Yeksi Naa) work in Senegal entitled: Improving Monitoring of Health Commodities to Overcome Supply Chain Fragmentation.