Mahdi Diab, MD, MSPH, is a board-certified family medicine physician whose work bridges clinical care, community health, and public health advocacy. Dr. Diab completed his family medicine residency at UC San Diego and earned a Master of Science in Public Health from the Johns Hopkins Bloomberg School of Public Health.
Dr. Diab is the founder and Executive Director of SoCal Street Medicine, a San Diego-based nonprofit that delivers healthcare directly to people experiencing homelessness. He also practices at a Federally Qualified Health Center (FQHC), providing primary care to underserved patients across San Diego County. His clinical work emphasizes harm reduction, addiction medicine, and care for justice-involved and unhoused populations.
Alongside his clinical work, Dr. Diab is an independent documentary filmmaker whose projects examine human rights and humanitarian issues. His advocacy reflects a broader commitment to using both medicine and storytelling as tools for social change.
Dr. Diab’s broader professional interests include healthcare access, global health, addiction medicine, homelessness policy, criminal justice reform, and environmental justice. He also has an active interest in music as medicine and the arts.