Mass-Care is an umbrella organization for dozens of member groups that represent diverse constituencies.  Together these organizations stand for over 500,000 supporters of single payer reform in Massachusetts.

Mass-Care Coalition Members

• American Medical Student Association

• AFSCME Council 93, Metro Boston Office

• ARISE for Social Justice

• Boston Ethical Community

• Cambridge Women’s Center

• Center for Community Health Education, Research and Service

• Coalition for Social Justice (Southeastern Massachusetts)

• Committee of Correspondence for Democracy & Socialism Boston

• Community Church of Boston

• Consortium for Psychotherapy

• Democratic Socialists of America - Boston

• Encuentro 5

• Franklin County Continuing the Political Revolution

• Greater Boston Interfaith Organization

• Health Justice for Boston

• HealthCare Now

• Hilltown Medicare For All Advocacy Group

• International Brotherhood of Electrical Workers Local 2222

• International Brotherhood of Electrical Workers Local 96

• Independent Living Center

• Jamaica Plain Progressives

• Jewish Alliance for Law and Social Action

• League of Women Voters of Massachusetts

• Lynn Community Health Center

• Massachusetts Alliance on Teen Pregnancy

• Massachusetts Association of Older Americans

• Massachusetts Nurses Association

• Massachusetts Jobs with Justice

• Massachusetts Peace Action

• Massachusetts Public Health Association

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• Massachusetts Senior Action Council

• Massachusetts Teachers Association

• Mission Hill Health Movement

• National Association for Socially Responsible Organizations

• National Association of Social Workers – MA

• National Lawyers Guild - Mass. Chapter

• Neighbor to Neighbor, Massachusetts

• North Shore Labor Council

• Our Bodies Ourselves

• Our Revolution - Massachusetts 

• Physicians for A National Health Plan - Mass. Chapter

• Progressive Democrats of America - Mass. Chapter

• Progressive Democrats of Massachusetts

• Right Care Alliance - Boston Chapter

• Service Employees International Union 1199

• Service Employees International Union 888

• Service Employees International Union Local 509

• Service Employees International Union – Massachusetts State Council

• South Shore Coalition for Human Rights

• Sudbury Democratic Town Committee

• Three Rivers Progressive Mass.

• United Auto Workers Local 2322

• United Electrical Workers– District 2

• UNITEHERE New England Joint Board

• Universal Health Care Education Fund

• Western Massachusetts Medicare for All

• Women’s Health Institute

• Women’s International League for Peace and Freedom, Boston

• Worcester For A People's Party