What will the NSPM examination cover? Kathryn Berry March 28, 2022 15:16 Updated Refer to the NSPM Content Outline Related articles How much does the NSPM subspecialty credential cost? What is nonsurgical pain management (NSPM)? When are applications for the NSPM credential available and what are the scheduled exam dates? What are the eligibility criteria for the NSPM credential? How long is the NSPM certification examination?