David J. Benjamin, MD

New Patients

David J. Benjamin, MD



  • Hoag Physician Partners
  • Hoag Specialty Clinic


  • English

About Dr. Benjamin

Dr. Benjamin enjoys working alongside a team of experts in the cancer field to provide high-quality, personal care to patients as a board-certified medical oncologist at Hoag Family Cancer Center. His practice focuses on genitourinary cancers, including prostate, bladder, kidney and testicular cancer. Dr. Benjamin provides a caring environment for his patients, where he works alongside patients on their cancer journey to determine the best treatment plans for their individual diagnoses.
Through his involvement in cancer research, Dr. Benjamin is actively working to identify therapies that improve the lives of patients with genitourinary cancers through clinical trials at Hoag.
Dr. Benjamin has co-authored numerous publications in leading medical journals, including JAMA Oncology, The Lancet Oncology and Nature Reviews Urology. He has presented his research at several national and international conferences. He received the 2022 Genitourinary Cancers Symposium Merit Award from Conquer Cancer, the ASCO Foundation, and received the 2022 UCI School of Medicine Outstanding Fellow/Resident Research Award for excellence in clinical/translational research. Dr. Benjamin is a member of the American Society of Clinical Oncology (ASCO) and European Society for Medical Oncology (ESMO).
Dr. Benjamin attended Tulane University School of Medicine in New Orleans, followed by an internal medicine internship and residency at University of California, Davis Medical Center in Sacramento. He completed his fellowship training in hematology/ oncology at University of California, Irvine Medical Center, where he also served as chief fellow.
In his spare time, Dr. Benjamin enjoys running, watching sports (basketball and football) and traveling.


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National Provider ID (NPI): 1821450396


Board Certification

  • American Board of Internal Medicine - Internal Medicine
  • American Board of Internal Medicine - Medical Oncology
  • Medical Education - Tulane University School of Medicine (Doctor of Medicine)
  • Internship - University of California Davis (Internal Medicine)
  • Residency - University of California Davis (Hematology/Oncology)
  • Fellowship - University of California Irvine (Hematology/Oncology)


  • Hoag Physician Partners
  • Hoag Specialty Clinic

Area of Focus

  • Oncology/Hematology