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Kathleen O'Neill, MD, PhD

Hospital Resident

Contact Information

Kathleen O'Neill, MD, PhD


Kathleen O'Neill,MD is currently completing her residency training in General Surgery at Yale-New Haven Hospital. She received her undergraduate degree from Columbia University in biology and anthropology. Afterwards she worked for a community based organization in NYC that assisted people living with AIDS and HIV. She then spent time in Haiti working in a small rural health clinic. She earned her medical degree from the University of Pennsylvania. During that time, she did research in global surgery with the Program in Global Surgery and Social Change at Harvard Medical School. Dr. O’Neill’s research interests include catastrophic medical expenses, global surgery, hospital-based violence prevention programs, community-based participatory research and gun violence prevention. During her research time, she completed the National Clinicians Scholars Program along with her PhD through the Investigative Medicine Program at the Yale Graduate School of Arts and Sciences. She plans to pursue a career in academic surgery in the field of trauma and critical care. She hopes to incorporate health services research and community advocacy alongside clinical work to improve healthcare delivery to medically underserved populations.

Education & Training

  • PhD
    Yale Graduate School of Arts and Sciences (2021)
  • National Clinician Scholars Program
    Yale University (2019)
  • MD
    University of Pennsylvania-Perelman School of Medicine (2015)
  • BA
    Columbia University, Biology (2008)