A national provider identifier (NPI) is a unique ten-digit identification number required by HIPAA for all health care providers in the United States.
Generally, the law in New Hampshire is that child support ends when the child turns 18 or graduates from high school, whichever is later. Yet, the answer to the question is not that simple. Sometimes, there may be a circumstance which can extend child support, for example if your child is disabled.
Generally, the obligation to support a particular child ends when the child reaches age 18, but if the child continues enrollment in high school following age 18, then the support obligation continues until the first to occur of the child graduating (or withdrawing from high school) or reaching age 19.