In this chapter, we delve into the pivotal role of modern hospital design at the intersection of architecture, health science, and technology, highlighting its profound implications for public health, patient care, and environmental sustainability. The design of healthcare facilities has evolved significantly, particularly underscored by recent global health crises like the COVID-19 pandemic, which emphasized the need for adaptable, resilient, and patient-centric environments. This chapter explores how strategic design elements such as natural lighting, air quality control, and the integration of green building practices not only enhance patient recovery rates and reduce infection risks but also contribute to operational efficiency and staff productivity. By combining a comprehensive analysis of current trends with global case studies, this monograph aims to equip healthcare professionals, architects, and policymakers with the insights needed to develop healthcare environments that promote holistic well-being and meet the complex demands of modern medical care. Through a structured exploration of evolution, current practices, and future directions in hospital design, the chapter sets the stage for understanding how thoughtful architecture can transform healthcare delivery and outcomes.