The Feinstein Institutes | 11,374 followers on LinkedIn. Producing knowledge to cure disease | The Feinstein Institutes for Medical Research – the research arm of Northwell Health, the largest health care provider in New York State – is raising the standard of medical innovation through our six research institutes. Our 5,000 researchers and staff transform the treatment of conditions like lupus, arthritis, sepsis, cancer, psychiatric illness and Alzheimer’s disease. As the global headquarters of bioelectronic medicine, we explore ways to use electronic medical devices to signal the body to heal itself.