The integration of Artificial Intelligence (AI) into healthcare has shown promising results in improving patient care, diagnosis, and overall efficiency. This research paper explores the applications and impact of Generative AI and Large Language Models (LLM) in healthcare as of 2023. The study delves into various subdomains, including medical image analysis, natural language processing, drug discovery, and personalized medicine. The paper also examines ethical considerations, challenges, and future prospects associated with the widespread adoption of these technologies.