This webinar presentation summarized the RWJF Hospital Price Transparency Challenge. The challenge aims to increase understanding and use of recently released CMS hospital price data through visualizations (Category A) and apps/tools (Category B). It provided an overview of the challenge goals and categories, submission requirements, timelines, available data resources, and a CMS presentation on analyzing hospital charge data from Medicare claims. The webinar agenda covered background on RWJF challenges, an overview of the hospital price transparency challenge goals and categories, timeline details, and a CMS data presentation.