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St. Luke's MSTI – Urologic Oncology

The urologic oncology clinic at St. Luke's MSTI is the only one of its kind in Idaho, bringing you the most advanced expertise in the region. We’re dedicated to bringing you the highest level of care for urologic malignancies, including prostate, kidney, bladder, testis, and penile cancer. Our highly skilled, fellowship trained surgeon, Dr. Stephen Brassell, performs a wide range of robotic (da Vinci®) and open surgeries, including:

  • Prostatectomy
  • Nephrectomy
  • Cystectomy
  • Adrenalectomy
  • Retroperitoneal lymph node dissection
Throughout your cancer journey, we’ll work closely with your broader team of providers to ensure you’re supported every step of the way.


  • Urologic Oncology


    Stephen A. Brassell, MD, FACS is a urologic oncologist with expertise in minimally invasive and robotic surgery and the management of complex urologic cancers. He currently serves as medical director for Urology at St. Luke's Boise and Meridian Medical Centers.

    During his Army career, Dr. Brassell completed an internship at Walter Reed Army Medical Center, followed by two years as battalion surgeon with the 10th Special Forces Group. While at Walter Reed he also served as a urologic oncologist, and was appointed the Associate Director of the Center for Prostate Disease Research, a multi-institutional national prostate cancer program, and Assistant Professor at the Uniformed Services University of the Health Sciences.

    His military courses include airborne, flight surgery, dive medical, and cold weather/mountain warfare training. He has received a Meritorious Service Medal and Army Commendation Medal among other awards. Dr. Brassell chaired over 30 research studies and has published and presented over 70 articles in the urologic literature with a focus on urologic cancer.

    • Robotic and open prostatectomy
    • Robotic and open nephrectomy
    • Robotic and open partial nephrectomy
    • Robotic and open radical cystectomy
    • Robotic and open partial cystectomy
    • Robotic and open excision of retroperitoneal tumors
    • Robotic and open adrenalectomy
    • Robotic and open ureteral surgery
    • Radical orchiectomy
    • Retroperitoneal lymph node dissection
    • Penectomy and organ sparing approaches to penile cancer
    • Inguinal lymph node dissection
    • Excision of any genitourinary malignancy


    Accepting new patients
  • Urologic Oncology


    Accepting new patients
    • St. Luke's Health Partner
      St. Luke's Health Partner

      These providers work together to achieve patient-centered care, using proven best practices to offer better care to you and your family.

    • Specialties, Conditions & Treatments

Procedures & Treatments

  • Minimally invasive and robotic surgery for prostate, bladder, kidney, testis, penile, and urinary tract cancers.

Clinical Trials at St. Luke's MSTI

Access to Cancer Research

Through our participation in regional and national clinical research studies, St. Luke’s MSTI is able to bring trial opportunities to our adult and pediatric patients that are on the leading edge of cancer care. You may participate in many of the same clinical trials as patients at the most-respected cancer centers in the world, including Mayo Clinic and MD Anderson Cancer Center.