Dr Chin Han Xin is a Consultant Endocrinologist at the Department of Endocrinology, Tan Tock Seng Hospital. She graduated with an MBBS from the National University of Singapore in 2013 and obtained Membership of the Royal College of Physicians (UK) in 2015. She was accredited as a specialist in Endocrinology in 2019. Her clinical interests lie in calcium and bone metabolism. She completed a clinical observership at the Metabolic Bone Unit/Oxfordshire Osteoporosis Service at the Nuffield Orthopaedic Centre, Oxford University Hospitals in 2025.

She has a strong interest in medical education and is a Clinical Lecturer at the Yong Loo Lin School of Medicine, National University of Singapore, as well as an Adjunct Lecturer at the Lee Kong Chian School of Medicine, Nanyang Technological University.