What Is 1199SEIU
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Last updated: April 14, 2026
Key Facts
- 1199SEIU represents over 275,000 healthcare workers
- Founded in 1932 by Leon Davis
- Merged with SEIU in 1987
- Headquartered in New York City
- Covers New York, New Jersey, and New England
- Led by President Mary Kay Henry as of 2023
- Played a key role in passing New York's $15 minimum wage law in 2016
Overview
1199SEIU, officially known as 1199SEIU United Healthcare Workers East, is the largest healthcare workers union in the United States. It represents more than 275,000 professionals, including nurses, home health aides, nursing assistants, technicians, and hospital support staff. These workers are employed in hospitals, nursing homes, home care agencies, and clinics across New York, New Jersey, and New England. The union's mission centers on improving wages, securing quality healthcare benefits, and advocating for safe working conditions and better patient care.
The union traces its roots to 1932, when it was founded as 1199: National Health Care Workers' Union by pharmacist and labor activist Leon Davis in New York City. Originally a small union of pharmacists and drugstore workers, it evolved during the 1960s into a powerful force in healthcare labor, particularly through its involvement in the civil rights movement. It championed racial equality in hiring and promoted unionization among low-wage, predominantly Black and Latino healthcare workers. Its activism earned national attention, including a landmark 1966 strike involving 20,000 workers across New York hospitals.
The merger with the Service Employees International Union (SEIU) in 1987 marked a pivotal transformation, forming 1199SEIU. This alliance amplified its political influence and expanded its bargaining power across multiple states. Today, 1199SEIU is headquartered in New York City and operates as a key affiliate of SEIU, one of the largest labor unions in North America. Its significance lies not only in its size but also in its role as a model for progressive labor organizing in the healthcare sector.
How It Works
1199SEIU functions as a labor union through collective bargaining, political advocacy, and member mobilization. It negotiates contracts with employers to secure higher wages, affordable health insurance, retirement benefits, and safe staffing levels. The union also engages in lobbying at the state and federal levels to influence healthcare policy, minimum wage laws, and workers' rights. Membership is open to healthcare workers in affiliated facilities, and dues fund operations, legal support, and strike funds.
- Collective Bargaining: The union negotiates legally binding contracts with hospitals and care facilities. These agreements typically last three to five years and cover wages, benefits, and working conditions. For example, a 2022 contract with New York City Health + Hospitals secured 11% wage increases over three years.
- Membership Dues: Workers pay monthly dues, usually around 1.5% to 2% of their salary. These funds support union operations, legal representation, and strike preparation. Dues also help finance political campaigns and community programs.
- Strikes and Protests: When negotiations stall, 1199SEIU may authorize strikes or public demonstrations. A notable 2005 strike involved 70,000 workers and lasted 10 days, demanding fair contracts across multiple hospitals.
- Political Action: The union runs the 1199SEIU Political Action Committee, which endorses candidates and spends millions on campaigns. In 2020, it spent over $10 million supporting progressive candidates in New York and New Jersey.
- Training and Education: Through the 1199SEIU Training and Employment Funds, members access job training, scholarships, and career advancement programs. Since 1984, these programs have trained over 150,000 workers.
- Healthcare Advocacy: The union advocates for universal healthcare and improved patient safety standards. It played a key role in opposing Medicaid cuts and promoting nurse staffing laws in multiple states.
Key Details and Comparisons
| Aspect | 1199SEIU | National Nurses United (NNU) | AFSCME Healthcare |
|---|---|---|---|
| Membership Size | 275,000+ | 225,000 | 300,000 (total AFSCME) |
| Primary Regions | New York, NJ, New England | Nationwide | Nationwide |
| Founded | 1932 (as 1199) | 2009 | 1932 |
| Key Focus | Healthcare workers, racial justice | Nurses, patient safety | Public sector, healthcare |
| Notable Achievement | Helped pass $15 minimum wage in NY (2016) | Opposed hospital privatization | Advocated for public healthcare funding |
The comparison highlights 1199SEIU’s regional strength and historical depth. While National Nurses United (NNU) focuses on registered nurses and has a national presence, 1199SEIU represents a broader range of healthcare roles, including home care aides and technicians. Unlike AFSCME, which spans public employees across sectors, 1199SEIU is specialized in healthcare. Its early commitment to civil rights distinguishes it from other unions formed primarily for wage negotiations. The union’s success in influencing state legislation—such as New York’s 2016 law raising the minimum wage to $15 per hour—demonstrates its political clout. This blend of labor advocacy and social justice remains central to its identity.
Real-World Examples
1199SEIU has been involved in numerous high-profile labor actions and policy victories. In 2010, it led a campaign to prevent the closure of Long Island College Hospital in Brooklyn, organizing rallies and legal challenges to protect jobs and community healthcare access. Although the hospital eventually closed, the union secured job protections for hundreds of workers. Another major victory came in 2019, when 1199SEIU negotiated a contract with Montefiore Health System covering 25,000 workers, including wage increases and improved health benefits.
- 2006 Contract with New York State: Secured 3% annual raises for 100,000 public healthcare workers over three years.
- 2016 Minimum Wage Campaign: Played a pivotal role in passing legislation to raise New York’s minimum wage to $15 by 2019.
- 2020 Pandemic Response: Advocated for PPE and hazard pay for frontline workers during the COVID-19 crisis.
- 2022 Montefiore Agreement: Won retroactive pay and staffing improvements after a prolonged negotiation.
Why It Matters
1199SEIU plays a critical role in shaping labor standards and healthcare policy in the Northeast. Its influence extends beyond wages to broader social issues like racial equity, immigrant rights, and universal healthcare. By representing a diverse workforce, the union amplifies the voices of marginalized workers and ensures their concerns are heard in boardrooms and legislative chambers.
- Impact: Has helped lift tens of thousands of healthcare workers out of poverty through union contracts that guarantee living wages and healthcare coverage.
- Workforce Stability: Unionized facilities see lower turnover rates; studies show union hospitals have 20% lower staff attrition.
- Political Influence: Endorsed and helped elect leaders like Alexandria Ocasio-Cortez and Cory Booker, shaping progressive policy agendas.
- Healthcare Quality: Advocates for safe nurse-to-patient ratios, linked to lower mortality rates in hospitals.
- Immigrant Inclusion: Over 40% of members are immigrants, and the union provides legal support and language-accessible resources.
As healthcare costs rise and labor shortages grow, 1199SEIU remains a vital force in ensuring that care workers are fairly compensated and respected. Its model of combining union strength with social justice activism continues to inspire labor movements across the country.
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