A post-master’s certificate is the best way to bridge from FNP to PMHNP as one of the shortest options for a master’s level education.Our PMHNP certificate can be completed in 20 months, providing current FNPs a fast path to taking the next step in their NP career. Discover the Herzing post master's PMHNP programExplore Now Other Questions What skills do you need to be a programmer? How much can you make with a master's in healthcare administration? Can I become a nurse online? Is a bachelor's degree in human resources worth it?