Blockchain technology offers a new solution to address IoT data accuracy, security, and speed issues in healthcare. This paper details a secure way to communicate, verify, and evaluate healthcare data from IoT devices. The technology protects medical data with strong encryption and agreement. The suggested solution outperforms bitcoin and conventional systems in data security, integrity, scalability, latency, speed, and interoperability. User identification, energy efficiency, network stability, and regulatory compliance top the framework’s goals. It is ideal for healthcare applications. The strategy uses statistical analysis and machine learning to make verified data meaningful. This improves healthcare choices. The system improves patient care and operational efficiency, making it a major advance in healthcare data management. This study highlights how blockchain-enhanced IoT devices will transform healthcare data processing, improving patient outcomes and business practices.