National NPI Registry Lookup for Doctors, Physicians & Healthcare Providers. NPI Lookup — NPI Information Lookup for Healthcare Providers & Organizations. View the NPI information as well as referral and relationship data of any medical provider and organization registerd with the National Plan & Provider Enumeration System ( NPPES). Search by Name, Address, Specialty or NPI Number.
The Centers for Medicare & Medicaid Services ( CMS) assigns a unique 10-digit NPI number to all healthcare providers and organizations in accordance to the Health Insurance Portability and Accountability Act ( HIPAA) of 1996. This NPI number must be used to process all medical claims.