National Association of Health Data Organizations (NAHDO)National non-profit membership and educational association dedicated to improving health care data collection and use. NAHDO’s members include state and private health data organizations that maintain statewide health care databases and stakeholders of these databases...Cofounder of the All Payer Claims Database (APCD) Council, a program of NAHDO operated in partnership with the Institute for Health Policy and Practice (IHPP) at the University of New Hampshire (UNH).