Croatian national primary healthcare ICT Implementation strategy is determined by Croatian national health strategy and plan, Croatian ICT development strategy for 21st century, and requirements specifications for the heath information system. National primary healthcare ICT implementation strategy components are accented: purpose of the ICT implementation strategy, information principles, need and ICT enablement in domains of patients, healthcare professionals, policy-makers and managers and public. Based on the determinants, three organizational levels have been established – government, ministerial and project levels. General architecture of Croatian primary healthcare information system and its implementation as well as national ICT environmental accelerations for national primary healthcare ICT environmental accelerators for health ICT implementations are presented.