The National Niemann-Pick Disease Foundation, Inc. (NNPDF) is a non-profit patient advocacy and family support organization dedicated to supporting and empowering patients and families affected by Niemann-Pick disease, through education, collaboration and research. Founded in 1993, NNPDF serves families throughout
the nation at all stages of their Niemann-Pick journey. The NNPDF is the US member organization of the International Niemann-Pick Disease Alliance (INPDA).