Nerissa U. Ko

MD

Neurointensivist

Dr. Nerissa Ko is a neurointensivist, a neurologist trained in critical care. She specializes in caring for hospital patients undergoing treatments for conditions involving both the nervous system and blood vessels.

In her research, Ko studies outcomes for patients who suffer from subarachnoid hemorrhages, bleeding into the space between the brain and its surrounding membrane.

Ko earned her medical degree at the John A. Burns School of Medicine at the University of Hawai'i at Mānoa. She completed a residency in neurology as well as fellowships in critical care medicine and neurocritical care at UCSF Medical Center.

Ko is a member of several medical associations, including the American Heart Association and the Neurocritical Care Society.

  • Education

    University of Hawaii, 1995

  • Residencies

    UCSF Neurology Department, Neurology, 1999

  • Fellowships

    UCSF, Critical Care Medicine, 2000

    UCSF, Neurovascular/Critical Care, 2001

  • Board Certifications

    Neurology, American Board of Psychiatry and Neurology

    Vascular Neurology, American Board of Psychiatry and Neurology

  • Academic Title

    Professor

Conditions I specialize in

Where I see patients (3)

    My reviews

    4.9

    Overall Experience
    35 Ratings
    About our process
    Aug 05, 2024
    Dr. Ko is an excellent communicator, a good listener and is very practical with her guidance. She is an excellent doctor.
    May 26, 2024
    Answered all concerns in detail. Took necessary time and it was not a rushed visit.
    May 24, 2024
    She's the best
    May 10, 2024
    I have already recommended her to a friend.
    Oct 24, 2023
    It was an absolute please to meet Dr Nerissa Ko. She methodically walked through the details of my options and offered to review my next Hi-Res MRI and provide feedback. She already scheduled a phone call to do so.
    Oct 10, 2023
    Dr. Ko is, wonderful. I'm very fortunate to have found her.
    Sep 15, 2023
    Excellent doctor who is supportive helpful and reasonable.
    May 05, 2023
    Very pleased with Dr. Ko.
    Apr 30, 2023
    Dr KoIs one of the best doctors I have had in every way.
    Mar 03, 2023
    Dr. Ko was a reassuring pleasure. I am impressed and comforted by her evident passion, expertise and caring. She listened, she educated, she even inspired me! I'm so grateful to have her on my medical team going forward.
    Jan 18, 2023
    DR WAS INFORMATIVE, LISTENED TO MY QUESTIONS AND ANSWERED DIRECTLY TO MY CONCERNS AND THE OPTIONS I HAD WITH REGARDS TO THOSE CONCERNS.
    Dec 04, 2022
    Makes sure I understand everything and goes out of her way to help me in every way she can

    Selected research

    See all research

    Contact me

    Share