This guide outlines the quarterly tasks necessary for effective preparation for the Healthcare Information Effectiveness Data and Information Set (HEDIS) reporting cycle. It details the goals and actions required from January to December to ensure compliance with NCQA deadlines and optimize value-based care efforts. The first quarter focuses on preparing systems, teams, and data, emphasizing the importance of year-round attention. The second quarter is dedicated to finalizing data, conducting internal audits, and preparing for NCQA submission. The third quarter involves reflecting on performance, updating reporting periods, and benchmarking trends. Finally, the fourth quarter is aimed at planning ahead, educating staff on changes, and reviewing payer contracts. Each section provides specific tasks to enhance data accuracy and compliance, ensuring a streamlined approach to HEDIS reporting throughout the year.