A level I trauma center, North Shore University Hospital has 806 beds[1] and a staff of approximately 10,000.

Changes from 1969 to 1976 included creation of the Cohen Pavilion and the Levitt Ambulatory Care Clinic.

In 1992, the construction of the Don Monti Memorial Pavilion increased inpatient capacity to 731 beds.

In 2006, North Shore University Hospital named its campus in honor of contributor and trustee, Sandra Atlas Bass.

[4] The North Shore Health System continued to expand to other communities on Long Island over the next several years.

In 2008 Northwell was the third-largest non-profit secular healthcare system in the United States, based on number of beds.

After the merger of North Shore Health System and Long Island Jewish Medical Center, the health system moved to gradually merge its academics, culminating in 2012 with the merger of North Shore and Long Island Jewish internal medicine residency programs.

In October 2007, Hofstra University announced that it would open a new medical school, in partnership with Northwell Health.