Across the country, primary care practices – especially those that are small or rural – struggle to meet the growing needs of patients and the changing demands of health care policy for payment. EvidenceNOW builds on previous AHRQ initiatives (e.g., IMPaCT) to support exploration and development of a health care extension model. Seven regional Cooperatives are participating in EvidenceNOW. Together, they are increasing our understanding of foundational elements and core functions of health care extension. See ESCALATES’ infographic below and recent publication in Health Affairs where we share what we are learning about this model for diffusion of innovation. Also, scroll to the bottom of this post for a link to the Health Affairs press event for the “Diffusion of Innovation” edition in which this article is published.