Dr. Norhayati Yahaya is a distinguished Endocrinologist with a specialized focus on Endocrinology and Diabetes. She brings extensive experience to KPJ Perdana Specialist Hospital and Hospital Raja Perempuan Zainab II, demonstrating a commitment to both private and public healthcare. Her notable research contributions include studies on rare conditions like Necrolytic Migratory Erythema and silent giant pheochromocytoma, showcasing her expertise in managing complex endocrine disorders. Dr. Norhayati is also dedicated to improving patient care through the translation and cultural adaptation of medical tools, enhancing diagnostic accuracy and patient outcomes in Malaysia.