Digital technology increases diagnosis, treatment, and efficiency, transforming healthcare. This article uses real-life business examples to demonstrate how blockchain technology, AI, and IoT are changing health care and how they may help. AI algorithms speed up and enhance diagnostic, prognostic, and therapeutic decision-making. IoT devices can monitor patients, offer remote health care, and collect data instantly, improving outcomes and resource use. Blockchain technology protects patient privacy and promotes healthcare system collaboration by securely and transparently managing medical records. As seen in this chapter, these technologies work well. Using AI in imaging and genetics simplifies early diagnosis and treatment planning. Wearable health monitoring, smart implants, and telemedicine can improve patient treatment. Blockchain technology will secure EHRs, manage medicine supply chains, and facilitate clinical trials. The Internet of Things, blockchain technology, and AI are improving data privacy, patient participation, and treatment availability in healthcare.