The nation’s largest municipal health system empowering New Yorkers to live their healthiest lives. For appointments: 1-844-NYC-4NYC. Page not monitored 24/7. The nation’s largest municipal health system empowering New Yorkers to live their healthiest lives NYC Health + Hospitals is the largest municipal health care system in the United States. We provide essential inpatient, outpatient, and home-based services to more than one million New Yorkers every year in more than 70 locations across the city’s five boroughs. Our integrated system includes 11 acute care hospital sites, five post-acute facilities, the Gotham Health network of community health centers, and MetroPlus Health, our subsidiary health plan. Every day, our 45,000 employees live our mission of providing high quality health care services with compassion, dignity, and respect to all, regardless of income, gender identity, or immigration status.