Massachusetts Campaign For Single Payer Health Care Inc

nonprofit · 501c4 · EIN 453007270 · US · canonical: massachusetts campaign single payer health care · 2 aliases · 0 outbound · 0 inbound

Related entities (24)

Same brand-name cluster — possible parent, subsidiary, PAC, or lobbying registration. Surfaced via head-token match (e.g. every "AMAZON …" org) and pg_trgm similarity for variant spellings. Not yet asserted as parent/child edges; treat as a navigation aid.

Massachusetts Campaign For Single Payer Health Care Incnonprofit · exact 1.00
MASSACHUSETTS MUTUAL LIFE INSURANCE COMPANYcorporation · head-token 0.85
Massachusetts Bay Insurance Company (New Hampshire)corporation · head-token 0.85
Massachusetts Behavioral Health Partnershipcorporation · head-token 0.85
Massachusetts Business Association, L.L.C.corporation · head-token 0.85
Massachusetts Property, LLC (a Massachusetts company)corporation · head-token 0.85
MASSACHUSETTS ANTI-LEADERSHIP FUNDpac · head-token 0.85
MASSACHUSETTS BANKERS ASSOCIATION MASS BANKPAC-FEDERALpac · head-token 0.85
MASSACHUSETTS BANKERS PAC-FEDERAL FUNDpac · head-token 0.85
MASSACHUSETTS BIOTECHNOLOGY COUNCIL INC. FEDERAL POLITICAL ACTION COMMITTEEpac · head-token 0.85
MASSACHUSETTS BLUE PAC OF BLUE CROSS BLUE SHIELD OF MASSACHUSETTSpac · head-token 0.85
MASSACHUSETTS CELEBRITIES AND POLITICIANS MASONIC LODGEsuper_pac · head-token 0.85
MASSACHUSETTS CITIZENS ALLIANCE FEDERAL POLITICAL ACTION COMMITTEEpac · head-token 0.85
MASSACHUSETTS CITIZENS FOR LIFE POLITICAL ACTION COMMITTEEpac · head-token 0.85
MASSACHUSETTS COALITION FOR FREEDOM POLITICAL ACTION COMMITTEE FEDERALpac · head-token 0.85
MASSACHUSETTS COMMITTEE FOR SOUND GOVERNMENTpac · head-token 0.85
MASSACHUSETTS CONGRESSIONAL CAMPAIGN COMMITTEEpac · head-token 0.85
MASSACHUSETTS CONGRESSIONAL CAMPAIGNS VICTORY FUND FEDERAL PACpac · head-token 0.85
MASSACHUSETTS CONGRESSIONAL CAUCUSpac · head-token 0.85
MASSACHUSETTS CONSERVATIVE POLITICAL ACTION COMMITTEEpac · head-token 0.85
MASSACHUSETTS CUNA CREDIT UNION ASSN POLITICAL ACTION COMMITTEE (MACUNAPAC)pac · head-token 0.85
MASSACHUSETTS DEMOCARTIC LEADERSHIP FEDERAL COMMITTEEpac · head-token 0.85
MASSACHUSETTS DEMOCRATIC CLUBsuper_pac · head-token 0.85
MASSACHUSETTS DEMOCRATIC EXECUTIVE BOARDpac · head-token 0.85

Timeline

IRS Form 990 — EIN 453007270

IRS Form 990

Massachusetts Campaign For Single Payer Health Care Inc EIN 45-3007270 · 501c4

No Form 990 financial detail mirrored yet.

Aliases (2)

source	id	name at source	jurisdiction	confidence	linked by	linked at
ein	453007270	Massachusetts Campaign For Single Payer Health Care Inc	US	gold	backfill_0029	2026-05-17
nonprofit	453007270	Massachusetts Campaign For Single Payer Health Care Inc	US	gold	sync_canonical_entities	2026-05-18

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