The Medicare for All Caucus is a congressional caucus in the United States House of Representatives, consisting of members that advocate for the implementation of a single-payer healthcare system. It was announced by progressive members of the House of Representatives in July 2018 with over 70 founding members, all Democrats.
California
Colorado
Georgia
Florida
Kentucky
Maryland
Massachusetts
Michigan
Minnesota
New York
Ohio
Oregon
Pennsylvania
Texas
https://www.congress.gov/bill/119th-congress/house-bill/3069