John Dangelo

About John Dangelo

A physician first and foremost, Dr. John D’Angelo leads with compassion. With over 30 years of practical experience, he continues to transform health care operations as president and CEO of Northwell Health, the Northeast’s largest non-for-profit health system.Dr. D’Angelo oversees a complex network of 28 hospitals and employees, including over outpatient facilities, nurses and over physicians with an operating budget of $22.6 billion. Northwell cares for more than three million people annually in the New York metro area, including Long Island, the Hudson Valley, western Connecticut and beyond.He was previously the Executive Vice President, Market President for Northwell Health’s Central Market, which includes North Shore University Hospital, Long Island Jewish Medical Center, Cohen Children’s Medical Center, LIJ Forest Hills Hospital, LIJ Valley Stream Hospital and Zucker Hillside Hospital, as well as 260+ ambulatory locations within the Nassau/Queens area.Dr. D\'Angelo led Northwell\'s operational response to the COVID-19 pandemic as Operations Chief for the system command center and was later appointed Chief of Integrated Operations. Leveraging lessons from the pandemic, he integrates Northwell’s extensive operational resources in the post-pandemic era. Previously, as Senior Vice President and Executive Director of Northwell Health’s Emergency Medicine Service Line, he oversaw the clinical and operational performance of Northwell’s emergency departments, observation units, and a growing network of urgent care centers, serving nearly 1.5 million patients annually.As an emergency medicine physician, Dr. D’Angelo has a keen understanding of clinical care delivery, quality, process improvement and operations management. He has spearheaded numerous initiatives which include Northwell’s sepsis efforts, which earned The Joint Commission’s Eisenberg Award, and the opening of Manhattan’s first free-standing emergency department, Lenox Health Greenwich Village. A leader in data transparency and access, Dr. D’Angelo co-led the creation of Real-Time Actionable Data, enhancing operational data visibility for leaders and frontline staff across Northwell. This innovation earned Northwell’s top award in 2019.Dr. D’Angelo has served as the Chair for the Northwell Health Physician Partners Board of Governors & Executive Committee from 20••••22. He is also an Associate Professor of Emergency Medicine at the Donald and Barbara Zucker School of Medicine at Hofstra/Northwell.

Experience

1. President and CEO

   Northwell Health

   Oct 2025 — Present

Education

• Stony Brook University Health Sciences Center School of Medicine

  MD, Medicine

  1991 — 1995

• Stony Brook University

  Bachelor of Science (BS), Biochemistry

  1987 — 1991