The National Provider Identifier (NPI) is a HIPAA Administrative Simplification Standard for the Health Insurance Portability and Accountability Act. UPINs, Medicare PINs, state Medicaid numbers, provider identities provided by thousands of health insurers, and other identifiers were all needed to disambiguate a specific healthcare provider across the healthcare system. This new system replaces the fragmented system of identifiers. To address this issue, the NPI was created. HIPAA requires all h