Skip to Main Content

Eric J. Small


Co-director, Urologic Cancer Service
Genitourinary oncologist
Prostate cancer investigator, avid baker and runner

Dr. Eric J. Small is a hematologist-oncologist. He co-directs UCSF's urological cancer service for patients and research program in urological oncology. In both patient care and research, he focuses on prostate cancer, immunotherapy and how biological mechanisms of the body may create resistance to standard therapies.

Small earned his medical degree at Case Western Reserve University School of Medicine, graduating with honors. While in medical school, he completed a fellowship in pathology. He completed a residency in internal medicine at Beth Israel Deaconess Medical Center, followed by a fellowship in hematology and oncology at UCSF.

Small is a member of several professional medical societies, including the American Society of Clinical Oncology (ASCO) and American Urological Association.

In addition to the previously mentioned leadership roles, Small serves as co-leader of the UCSF Prostate Cancer Program and as deputy director and chief scientific officer of the UCSF Helen Diller Family Comprehensive Cancer Center. For 10 years, he served as chief of the UCSF Division of Hematology and Oncology. He serves on the ASCO board of directors and chairs four external advisory boards for other cancer centers designated by the National Cancer Institute. He is an international leader in prostate cancer research and has published more than 380 peer-reviewed articles.

  • Education

    Case Western Reserve, 1985

  • Residencies

    Beth Israel Hospital Boston, Internal Medicine, 1988

  • Fellowships

    UCSF, Hematology, 1991

    UCSF, Oncology, 1995

  • Board Certifications

    Internal Medicine, American Board of Internal Medicine

    Medical Oncology, American Board of Internal Medicine

  • Academic Title


  • Languages



The research we do at UCSF benefits patients directly by allowing us to transform discoveries into personalized cancer care.

Where I see patients (2)

    My reviews


    Overall Experience
    182 Ratings
    Explained things in a way that was easy to understand
    181 Ratings
    Did the doctor pay attention to your concerns
    180 Ratings
    Gave easy to understand instructions about taking care of health problems or concerns
    178 Ratings
    Knew the important information about your medical history
    179 Ratings
    The provider showed respect for what you had to say
    179 Ratings
    The provider spent enough time with me
    180 Ratings