Mass-Care is a Coalition of over 80 member organizations that represent diverse constituencies. Together these organizations stand for over 500,000 supporters of single payer reform in Massachusetts.
- Act on Mass
- Aiera
- American Federation of State, County and Municipal Employees Council 93
- American Federation of Teachers Massachusetts
- American Medical Student Association
- Arise for Social Justice (Springfield)
- Boston Center for Independent Living
- Boston Ethical Community
- Boston Teachers Union AFT
- Cambridge Women’s Center
- Cape Cod Coalition for Universal Health Care
- Center for Community Health Education Research and Service
- Coalition for Social Justice (Southeastern Massachusetts)
- Committee of Correspondence for Democracy & Socialism Greater Boston
- Committee of Interns and Residents SEIU
- Community Church of Boston
- Consortium for Psychotherapy
- Democratic Socialists of America Boston Chapter
- Democratic Socialists of America Cape Cod Chapter
- Democratic Socialists of America River Valley Chapter
- Democratic Socialists of America Southeastern Massachusetts Chapter
- Encuentro 5
- End Workplace Abuse
- Franklin County Continuing the Political Revolution
- Greater Southeastern Mass. Labor Council
- Green-Rainbow Party of Massachusetts
- Hampden 7 Coalition
- Health Justice for Boston
- Healthcare-NOW
- Hilltown Medicare for All Advocacy Group
- Incorruptible Mass
- International Brotherhood of Electrical Workers Local 2222
- International Brotherhood of Electrical Workers Local 96
- Jamaica Plain Progressives
- League of Women Voters of Massachusetts
- Lynn Community Health Center
- Malden Democratic City Committee
- Marked By Covid (national)
- Marked By Covid Massachusetts
- Mass Political Cooperative
- Massachusetts Alliance of Retired Americans
- Massachusetts Alliance on Teen Pregnancy
- Massachusetts Commission on the Status of Women
- Massachusetts High School Democrats
- Massachusetts Jobs with Justice
- Massachusetts Nurses Association
- Massachusetts Peace Action
- Massachusetts People's Party
- Massachusetts Public Health Association
- Massachusetts Senior Action Council
- Massachusetts Teachers Association
- Mission Hill Health Movement
- Milford Democratic Town Committee
- National Association for Socially Responsible Organizations
- National Association of Social Workers Massachusetts Chapter
- National Lawyers Guild Massachusetts Chapter
- Neighbor to Neighbor Massachusetts
- Neponset Valley Progressives
- North Shore Labor Council
- Our Bodies Ourselves
- Our Revolution Blue Hills
- Our Revolution Malden
- Our Revolution Massachusetts
- Physicians for a National Health Program Massachusetts Chapter
- Progressive Democrats of America Massachusetts Chapter
- Progressive Democrats of Massachusetts
- Progressive Massachusetts
- Public Higher Education Network of Massachusetts
- Restoration Recovery Center
- Right Care Alliance Boston Chapter
- Service Employees International Union Local 1199 United Health Care Workers East
- Service Employees International Union Local 509
- Service Employees International Union Local 888
- Service Employees International Union Massachusetts State Council
- South Shore Coalition for Human Rights
- South Shore Medicare for All
- Sudbury Democratic Town Committee
- Three Rivers Progressive Mass.
- Unitarian Universalist Mass Action
- United Auto Workers Local 2322
- United Auto Workers Region 9A Massachusetts CAP Council
- United Food and Commercial Workers Local 1459
- United Electrical Workers Eastern Region
- UNITE HERE New England Joint Board
- Universal Health Care Education Fund
- Wellfleet Democratic Town Committee
- Wellspring Cooperative
- Western Massachusetts Area Labor Federation
- Western Massachusetts Medicare for All
- Weymouth Democratic Town Committee
- Women’s Health Institute
- Women’s International League for Peace and Freedom Boston Branch