Feifei Li, PhD

Assistant Attending Physicist

Feifei Li, PhD

Assistant Attending Physicist
Feifei Li


PhD, Brown University

I am an assistant attending physicist at Memorial Sloan Kettering Cancer Center’s regional Nassau facility and a member of the integrated Long Island physics group. My clinical responsibilities include major equipment and patient-specific quality assurance, physics consultation, support to treatment planners, therapists, and radiation oncologists.

As a clinical physicist and former theoretical physicist, I aspire to advance cancer care through science and mathematical rigor. My research focuses on inverse problems and artificial intelligence. I am especially interested in novel treatment-planning schemes based on integral geometry and artificial intelligence. I am also actively working on AI-based intrafractional motion monitoring systems to improve the accuracy of image-guided radiation therapy.

I obtained my PhD in theoretical condensed matter physics from Brown University and completed my clinical residency at the University of Florida.


Doctors and faculty members often work with pharmaceutical, device, biotechnology, and life sciences companies, and other organizations outside of MSK, to find safe and effective cancer treatments, to improve patient care, and to educate the health care community.

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Feifei Li discloses the following relationships and financial interests:

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