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 program Explore Now Other Questions What are the benefits of working in healthcare administration? How much does the paramedic to BSN program cost? Are physical therapist assistants in high demand? How is the Herzing Business Program different from other schools?