Mei-Sing Ong

Mei Sing Ong, PhD, is a faculty member in the Department of Population Medicine at Harvard Medical School and Harvard Pilgrim Health Care Institute. She received her PhD from the University of New South Wales in Australia, and completed her postdoctoral fellowship at the Computational Health Informatics Program at Boston Children’s Hospital, and the Department of Biomedical Informatics at Harvard Medical School.


Dr. Ong’s research centers broadly on the application of quantitative science to study human diseases and healthcare systems. Her research interests include the study of chronic disease patterns and outcome prediction, healthcare behaviors and resource use, and the impact of health care policies on care provision. One of her current efforts is the development of data analytics, including network-based approaches, to enable data-driven discovery of disease phenotypes, with an emphasis on orphan diseases that are under-studied.

Staff Assistant

Joyce Cheatham

(617) 867-4881


Faculty member

Work Phone
Mailing Address

Harvard Medical School

Department of Population Medicine

401 Park Drive, Suite 401 East

Boston, MA 02215

PhD, MS, Bachelor of Computer Engineering