NPI Lookup is an AI-powered platform for searching and validating National Provider Identifier (NPI) records of healthcare providers in the United States. It uses natural language processing (NLP) to understand user queries, allowing searches by name, NPI number, or everyday language. The tool provides comprehensive provider profiles including practice location, affiliations, specialty, and contact details. It synchronizes in real-time with the NPPES NPI database to ensure accuracy and offers features such as contextual understanding, enhanced search functionality, profile verification via the Luhn algorithm, and customizable insights. The interface is user-friendly and requires no technical expertise. NPI Lookup is free to use and aims to simplify access to healthcare provider information for professionals, patients, and researchers.