Massachusetts Health & Social Services (HSS) is a state government agency that oversees public health and social welfare programs in the Commonwealth of Massachusetts. Operating under the Executive Office of Health and Human Services (EOHHS), it is one of the largest state agencies in Massachusetts, serving millions of residents through various programs and initiatives. The agency administers critical services including MassHealth (Massachusetts’ Medicaid program), the Department of Public Health, Department of Mental Health, Department of Transitional Assistance, and Department of Children and Families. HSS is responsible for implementing healthcare policies, managing public health initiatives, providing social services, and ensuring access to medical care for eligible residents. Key responsibilities include overseeing state-funded healthcare programs, managing public health emergencies, implementing social service programs for vulnerable populations, and coordinating with federal agencies like the Centers for Medicare & Medicaid Services. The agency also manages various public health facilities, including hospitals and treatment centers throughout the state. HSS employs thousands of public servants across Massachusetts and manages an annual budget of several billion dollars. The agency works closely with healthcare providers, community organizations, and other stakeholders to deliver essential services and implement public health policies that affect Massachusetts residents.