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Chloe Atreya


Gastrointestinal oncologist
Colorectal cancer researcher who meditates and bikes daily

Dr. Chloe Atreya specializes in gastrointestinal cancer, particularly colorectal cancer, at the UCSF Helen Diller Family Comprehensive Cancer Center. Her research in colorectal cancer focuses on the interplay of tumor genetics and a patient's response to therapies, with the goal of improving outcomes by personalizing therapy.

Atreya received her medical degree and a doctorate in pharmacology at Yale University. She completed her internship and residency in internal medicine at the University of Washington, followed by a fellowship in medical oncology at UCSF.

Atreya has received many prestigious awards, including a postdoctoral fellowship from the American Cancer Society and investigator awards from the Conquer Cancer Foundation and Alliance for Clinical Trials in Oncology. She is a member of the American Society of Clinical Oncology and American Association for Cancer Research, and serves on the gastrointestinal committee of the Alliance for Clinical Trials in Oncology.

  • Education

    Yale University School of Medicine, 2005

  • Residencies

    University of Washington Medical Center, Internal Medicine, 2008

  • Fellowships

    UCSF Medical Center, Medical Oncology, 2010

  • Board Certifications

    Medical Oncology, American Board of Internal Medicine

My goals are to improve outcomes and promote quality of life by personalizing care.

Where I see patients (1)

    My reviews


    Overall Experience
    75 Ratings
    About our process
    Nov 15, 2023
    Doctor did not seem prepared for the visit
    Aug 01, 2023
    Dr. Atreya has been great.
    Jul 07, 2023
    Dr Chloe Atreya is a jewel of an oncologist
    Jun 25, 2023
    Dr. Atreya is thoughtful empathic and knowledgeable. I trust her judgement implicityly
    May 21, 2023
    I have recommended Dr
    Dec 20, 2022
    The doctor is genuinely caring about and treating my condition. The discussion was enlightening and helpful.
    Nov 03, 2022
    I feel fortunate to be a patient of Dr Atreya
    Nov 02, 2022
    Dr. Atreya is an amazing clinician and I am lucky to have her on my team.
    Oct 30, 2022
    Dr Atreya has displayed her care and knowledge on every visit since I've met her.
    Oct 19, 2022
    I have recommended the entire oncology department.
    Sep 01, 2022
    I feel fortunate to be under Dr Atreya's care.
    Jul 29, 2022
    Dr Atreya is an exception doctor and I am so grateful to be treated by her.
    Jul 21, 2022
    Very informative and reassuring
    Jul 19, 2022
    I felt that I was in capable hands
    May 05, 2022
    Dr.Atreya expressed her heartfelt recommendation about my starting treatment for my condition as soon as possible to stop any progression of my condition.
    Decorative Caduceus

    Preoperative Immunotherapy (Pembrolizumab) for Patients With Colorectal Cancer and Resectable H...

    Tumor-infiltrating immune cells (TIICs) will be analyzed by immunohistochemistry (IHC) in pre- and post-pembrolizumab treatment tumor specimens. The proportion of patients with a >= 2-fold increase (from pre- to post-treatment) in...