Skip to Main Content

Joan O'Mahony


Nurse practitioner
Hiker and traveler who enjoys family time in San Francisco

Joan O'Mahony is a nurse practitioner who cares for patients undergoing lung or heart surgery. She has expertise in non-small cell lung cancer, small cell lung cancer, sarcomas (cancers that start in bone or tissues such as muscle and fat), thymomas (malignant cancers that start in the thymus, a gland in the upper chest that makes certain white blood cells) and mesothelioma (an aggressive cancer that forms in tissues that cover the lungs or other internal organs).

After earning a bachelor's degree in nursing at San Francisco State University, O'Mahony started her career at UCSF as a nurse in the cardiac intensive care unit. She completed her master's degree in nursing at UCSF, while also studying environmental and occupational health. After completing her training to become a nurse practitioner, she joined the UCSF teams in general surgery, thoracic (chest) surgery and cardiothoracic surgery (including procedures involving heart and lung support devices). After 13 years, she moved to New York City to work as a heart device specialist for several hospitals in the area. She returned to UCSF in 2019. She is a member of the American Association of Nurse Practitioners.

  • Education

    UCSF, MS, Nursing , 2004

Though I meet my patients under difficult circumstances, I am honored to get to know them all and partner with them on their health journeys.

Where I see patients (2)

    Please check with your health insurance plan regarding coverage for this type of care. Not all providers at UCSF are covered by every insurance plan.