When are applications for the NSPM credential available and what are the scheduled exam dates? Braden December 22, 2021 16:11 Updated The NSPM certification examination is offered twice a year. Application windows and test dates are listed on the NSPM home page. Related articles What are the eligibility criteria for the NSPM credential? How much does the NSPM subspecialty credential cost? What will the NSPM examination cover? How often may I take the NSPM examination? When does the NSPM certification need to be renewed?