The use of Artificial Intelligence (AI), in healthcare is transforming the industry by enhancing diagnostic accuracy, personalizing treatments, and optimizing administrative operations. This detailed assessment aims to examine the impact of AI on healthcare and explore AIs applications in diagnosis, treatment, patient care and management. In diagnostics AI tools like machine learning algorithms and neural networks enhance imaging analysis precision and predictive analytics for early disease identification. In treatment AI supports medicine speeds up drug discovery and aids in robotic surgeries. Patient care benefits from AI technologies like health assistants and telemedicine that boost interaction and healthcare service accessibility. Despite these advancements, challenges such as data privacy issues, ethical concerns, regulatory obstacles and technical constraints remain. This paper emphasizes the potential of AI, in healthcare while highlighting the importance of research and careful consideration of associated challenges.