John N. Mafi

John N. Mafi, MD, MPH

Internal Medicine
Primary Location
Westwood Internal Medicine
200 Medical Plaza
Los Angeles, California 90095


John N. Mafi, MD, MPH is an assistant professor of medicine in the Division of General Internal Medicine and Health Services Research at the David Geffen School of Medicine at UCLA where he also practices and teaches general medicine and primary care. He also serves as an Affiliated Natural Scientist in Health Policy at RAND Corporation. Dr. Mafi completed his undergraduate studies at Northwestern University and then went on to complete medical school at Case Western Reserve University. He then finished his internal medicine residency training at Beth Israel Deaconess Medical Center in 2012, where he also served as Chief Medical Resident in 2013-2014. Dr. Mafi completed the Harvard Medical School Fellowship in General Internal Medicine and Primary Care at Beth Israel Deaconess Medical Center and earned his MPH at the Harvard T.H. Chan School of Public Health in 2015.

Dr. Mafi's research focuses on quality and value measurement and how electronic health records can improve the value of care among older adults. He has led several national analyses assessing the epidemiological trends and predictors of harmful or low value care, or patient care that provides no net benefit in specific clinical scenarios. He is currently leading several national studies and working to leverage electronic health records to measure and improve the value of healthcare delivery among older adults.


Medical Board Certifications

Internal Medicine, American Board of Internal Medicine, 2012


Beth Israel Deaconess Med Ctr-East Campus, 2012


Beth Israel Deaconess Med Ctr-East Campus, 2010


Case Western Reserve Univ School of Medicine, MD, 2009

Hospital Affiliations

Ronald Reagan UCLA Medical Center

UCLA Santa Monica Medical Center



Quality of care, value, innovation, and policy.