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Dr. Wesley Kidder is a gastrointestinal oncologist with a special interest in colon and rectal cancers as well as neuroendocrine tumors (cancer cells arising from the endocrine and nervous systems).

Kidder studies the role that the gut microbiome – the microorganisms that live in the digestive tract – plays in the development and treatment of colon and rectal cancers. His research includes examining the changes in the microbiome that occur following treatment with oral chemotherapy.

After earning a master of public health degree from the University of Southern California, Kidder earned his medical degree at the George Washington University School of Medicine and Health Sciences. He then completed a residency in internal medicine at the University of California, San Diego, where he served as chief resident. He completed a fellowship in hematology and medical oncology at UCSF, where he also served as the chief fellow for his final two years.

Kidder belongs to the American Society of Clinical Oncology and American Society of Hematology.

  • Board Certifications

    American Board of Internal Medicine, Medical Oncology, 2018

  • Fellowships

    UCSF, Hematology - Oncology, 2018

  • Residencies

    UCSD, Internal Medicine, 2015

    University of California, San Diego School of Medicine, Internal Medicine, 2014

  • Internship

    University of Colorado, Denver, Internal Medicine, 2012

  • Education

    George Washington University School of Medicine and Health Sciences, 2011

  • Languages

    English

Where I see patients (2)

    My reviews

    4.9

    Overall Experience
    210 Ratings
    About our process
    Mar 28, 2025
    I appreciate the expertise of Dr. Kidder and his ability to listen. He explains things well, and I appreciate the support I am provided with.
    Mar 24, 2025
    Dr. Kidder is a wonderful compassionate oncologist. He cares, listens, asks questions and his kindness is appreciated.
    Mar 18, 2025
    Dr. Kidder and the whole team are excellent.
    Mar 14, 2025
    The doctor was very knowledgeable about my case which left me very satisfied, he gave me an excellent summary of my history which indicates that he took the time to study my situation. He explained his recommendation and explained why in detail. He answered my questions and made appointments with other teams for me.
    Mar 14, 2025
    Dr. Kidder explains things thoroughly and in an understandable, organized way. He is friendly. He doesn't dismiss concerns or questions that I have. He takes me seriously and my concerns seriously. I have and would continue to recommend him to anyone that asks.
    Feb 27, 2025
    He was excellent - went beyond my expectations - u feel safe in his care - respected, listened to, cared about - respect his knowledge, intellect, clarity, thoughtfulness in terms of my case & diagnosis - very well prepared
    Jan 31, 2025
    Dr Kidder has always been an excellent online care provider. He is always knowledgeable about all of my various medical issues, including those beyond his purview. His interest in my prostate cancer was supportive and made me feel like I had an ally.
    Jan 23, 2025
    Excellent attention
    Jan 10, 2025
    Dr. Kidder is not only knowledgeable but also a very patient and kind doctor who always takes the time to make sure my questions are answered and there is a clear plan in place for next steps.
    Jan 09, 2025
    I was in the presence of a special caregiver. Thank you.
    Jan 07, 2025
    Dr Kidder spent time listening, going over every detail and really making us feel well cared for. He gave us his honest opinions.
    Nov 24, 2024
    I came to Dr. Kidder from another provider and he's everything the first oncologist wasn't. Answers my questions, aware of treatment best practices, understanding and reassuring.
    Nov 06, 2024
    Appreciated
    Sep 21, 2024
    I have had the very best care every step of the way!
    Sep 21, 2024
    Dr Kidder always interested and understanding of me as a patient!
    Sep 17, 2024
    Dr. Kidder is fabulous! He is kind, listens and has been a great advocate for me. He made a referral to dermatology and I received a call the next day.
    Sep 13, 2024
    Dr. Kidder is concerned with patient care. Listens and communicates on a non judgmental level. Thank you.
    Sep 10, 2024
    Great communication
    Aug 29, 2024
    Dr. Kidder is a very thoughtful, caring person. He's knowledgeable about the relatively unusual type of cancer I have..
    Jul 12, 2024
    Dr. Kidder is the best!!He's a very good at pointing out the positives and easy to talk to about any negative issues with my health. I'm absolutely certain I have the right oncology team!
    Jun 02, 2024
    So appreciated Dr. Kidder's time and thorough explanations.
    May 17, 2024
    Dr Kidder and his resident Dr Garcia were superb!!!
    May 13, 2024
    I receive excellent care with every encounter with UCSF
    May 09, 2024
    I feel extremely well cared for by Dr. Kidder and his team. Superlative!!!!!
    May 03, 2024
    I'm so very impressed with Dr Kidder's knowledge, professionalism and all around care.
    May 02, 2024
    Dr. Kidder was a bright light in my darkest days. It was obviously he took his time to learn about all about me and my condition in its entirety before the meeting. I was very impressed how prepared he was.
    Mar 26, 2024
    The care provider was very thorough with my case and had discussed further occasions my case would be discussed with other collegues/specialists ie tumor boards.
    Jan 05, 2024
    So satisfied
    Nov 21, 2023
    Above and beyond ,
    Nov 15, 2023
    Throughout my care, Dr Kidder has proven to be an excellent communicator , but also a caring human being.
    Nov 05, 2023
    Everyone has been kind and caring
    Oct 27, 2023
    Dr. Kidder has always impressed me by his detailed knowledge of my case, its history, and my current condition. He also comes across as being very caring and considerate. I would like to meet him In person at some future date.
    Oct 01, 2023
    Positive experience
    Sep 26, 2023
    Dr. Kidder is friendly, caring and very knowledgeable about my unusual type of cancer.
    Jul 20, 2023
    I gave more than Very Good! I appreciated the kindness.
    Jul 16, 2023
    Dr Kidder makes me feel like a person not a disease
    Jul 07, 2023
    Good experience with Dr.Kidder. Kind, listened, and was informative. Just didn't get the results I was hoping from a teaching facility. Probably on me and guidelines.
    Jun 23, 2023
    Dr. Kidder is awesome!! He is working with my treatment schedule so I can go on vacation with my family. I am so grateful for this opportunity to travel!!
    Jun 04, 2023
    Very good
    May 27, 2023
    Dr Kidder was very kind and helpful with the information he provided regarding my diagnosis. He made it understandable with my complicated diagnosis. Great experience and increased my trust in his care for me.

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