Lenny Nartowicz

Lenny Nartowicz

Deputy Executive Director
Southside Hospital

As deputy executive director, Lenny Nartowicz manages day-to-day operations of Southside Hospital, a 341-bed tertiary hospital in Bay Shore. He also collaborates with Southside's executive director to develop operational strategies and the overall vision.

Previously, he served as executive director of South Oaks Hospital, where he managed operations and strategy for the 197-bed inpatient behavioral health hospital in Amityville. Mr. Nartowicz joined Northwell Health more than 16 years ago and has worked in several positions throughout the health system, including associate executive director of finance at North Shore University Hospital (NSUH). He also assumed additional responsibilities within finance at Cohen Children’s Medical Center and Zucker Hillside Hospital.

As associate executive director, Mr. Nartowicz helped combine cardiac surgery programs at NSUH and Long Island Jewish Medical Center, as well as realign the inpatient behavioral health beds at NSUH and Zucker Hillside.

He holds a bachelor's degree from Long Island University Post and an MBA in Health Services Management from Hofstra's Frank G. Zarb School of Business.