Justin (Chih Chao) Yang

Visiting Scientist

Department of Environmental Health

Featured on Harvard's website

Connect with Justin on ResearchGate

Dr. Justin Yang is a dual- Board Certified physician in Internal Medicine and Occupational Medicine.

Dr. Yang started his journey at Harvard in 2011 pursuing a Master of Public Health degree.  His research on the Taiwan food scandal, which was conducted during his MPH study, was featured on Harvard School of Public Health’s front page. As a post-doc fellow at Harvard between 2012 t0 2014, Dr Yang was a core member of Professor Kales’ firefighter studies and has published several research studies related to cardiovascular disease in firefighters. The team’s paper,  Modified Mediterranean Diet Score and Cardiovascular Risk in a North American Working Population, was reported by USAToday, FoxNews, HealthDay, and various other news agencies internationally. Between 2014-2017, Dr Yang completed his Internal Medicine residency training at St Elizabeth’s Medical Center, Tufts University School of Medicine in Boston, MA.  Throughout the years, Dr Yang has received several research and teaching awards and recognitions, including from the Massachusetts Medical Society, the ACP Massachusetts Chapter, Harvard College, Harvard Medical School and Tufts University School of Medicine.

Dr Yang rejoined the EOME Program in July 2017 and completed his clinical training program in Occupational & Environmental Medicine in July 2019.  Together with Dr. Kales, Dr Yang published a study on push-up capacity and cardiovascular disease incidence which was ranked the #1 read of all JAMA studies in 2019 with 600,000+ views, 3,900 tweets and 140+ media outlet reports worldwide.

Post completion of his training at Harvard, Dr Yang served as the Medical Director of Urgent Care and Occupational Health, the Medical Director of Medication Assisted Treatment (MAT) program and Lead Physician of LGBTQ+ care at Manet Community Health Center in North Quincy, MA. Since the start of the COVID-19 pandemic, he served as an integral member of the COVID-19 incident command center at Manet and directed a group of 10+ healthcare professionals in providing COVID-19 testing at a city-sponsored testing site in Quincy and completed more than 15,000 testing in 2020. He also led a group of three Harvard researchers and conducted several COVID-19 community epidemiology studies, one of which was published on British Medical Journal’s Occupation and Environmental Medicine and was featured by BMJ and reported by more than 80 news outlets worldwide, including CNN, USA Today and Fox News.

Dr Yang is currently the Medical Director for Department of Employee and Occupational Health at Atrius Health/ Harvard Vanguard Medical Association, where he oversees the health and wellness of 5,000 Atrius employees, including COVID-19 employee health response. Additionally, he is the Chief Medical Officer of Kaia Health, a chronic disease management platform. Dr Yang is also an Assistant Professor of Medicine at Boston University School of Medicine.

He continues to participate in EOME research and OEMR teaching as a visiting scientist here at the Harvard TH Chan School of Public Health.