The DC Department of Health (DOH) is the primary agency responsible for public health matters in Washington D.C., the capital city of the United States. DOH works to ensure the health and well-being of D.C. residents by implementing public health policies, collecting and analyzing health data, developing and enforcing health regulations, and providing health services and education programs. The agency is responsible for a wide range of health issues, including infectious diseases, environmental health hazards, maternal and child health, chronic disease prevention, and emergency preparedness and response. DOH also operates clinics and programs to provide healthcare services to low-income and underserved populations, including HIV/AIDS testing and treatment, immunizations, and family planning. In addition to its public health functions, DOH oversees many regulatory and licensing functions related to healthcare providers, facilities, and products, such as hospitals, nursing homes, pharmacies, and medical marijuana dispensaries. The agency also conducts inspections and investigations of healthcare facilities to ensure compliance with regulations and investigate complaints. DOH works in close collaboration with other government agencies, community organizations, healthcare providers, and the public to achieve its mission of promoting and protecting the health of all residents of Washington D.C.