NAHDO, or the National Association of Health Data Organizations, is a renowned and influential non-profit membership and educational association in the healthcare industry. Their primary goal is to enhance the collection and utilization of health care data, focusing on both state and private health data organizations. NAHDO and its members are at the forefront of hospital discharge data reporting systems and emerging All-Payer Claims Data Bases (APCDs).

They have been providing technical assistance and sharing best practices among states through workshops, webinars, and forums for over 35 years. NAHDO’s national conferences bring together leaders from state, federal, and private sectors to discuss and advance healthcare data collection, analysis, and dissemination. Moreover, NAHDO collaborates with various organizations to develop standardized reporting systems for state-based claims data and implement national standards for hospital discharge data.

They also emphasize the importance of balancing data availability, patient privacy, and confidentiality by assisting health care data reporting programs. NAHDO's network is extensive and diverse, working collectively to improve existing large-scale health care databases and enhance the analytic workforce in member agencies. Through their educational programs, technical assistance, forums, and collaborations, NAHDO promotes informed decision-making, guides health policy, and contributes to the development of a comprehensive, integrated health information system