Which is NOT a requirement for an NPI number?

The requirement that an NPI (National Provider Identifier) number must be renewed every year is not accurate. An NPI is assigned to healthcare providers and remains valid indefinitely, provided that the provider notifies the National Plan and Provider Enumeration System (NPPES) of any changes to their information, such as name, address, or practice status. This means that once a provider receives their NPI, they do not need to go through an annual renewal process, distinguishing it from other identifiers that may require annual updates.

In contrast, the other statements highlight key characteristics of an NPI. Each provider's NPI is indeed unique, ensuring no two providers share the same identifier, which helps maintain clarity in healthcare billing and record-keeping. The NPI is also essential for electronic billing purposes, as it is included in claims submitted to health insurers and other payers. Furthermore, one NPI can be associated with multiple practice locations, facilitating billing and identification across different settings where the provider offers services. These characteristics underscore the importance of the NPI in the healthcare system.