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Specialties

Urologic Oncology

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Our urologic oncology providers offer you skill and experience unmatched in the region for treatment of cancers affecting the urinary tract, bladder, kidneys, and male reproductive organs. Surgical expertise includes fellowship training in minimally invasive and robotic surgery for procedures such as nephrectomy, cystectomy, and prostatectomy. We also offer high dose brachytherapy for the treatment of prostate cancer.

Whatever your diagnosis, we’ll work closely with your primary care provider to treat your cancer, ease your symptoms and side effects, and strengthen you physically, mentally, and emotionally.

Highlights & Resources

Providers

  • Gregory T. Adams, MD

    Gregory T. Adams, MD

    Urology

    Biography

    Gregory T. Adams, MD performs full-spectrum urology with an emphasis on minimally invasive and robotic surgery. He treats a wide range of urologic diseases, including BPH (enlarged prostate), kidney stones, prostate cancer, bladder cancer, and tumors of the kidney.

    Dr. Adams has extensive experience with the da Vinci® surgical robot for treatment of prostate cancer, tumors of kidney/ureter/adrenal gland, BPH (enlarged prostate), and obstruction of the ureteropelvic junction. His robotic procedural expertise includes radical nephrectomy, partial nephrectomy, pyeloplasty, radical prostatectomy, simple prostatectomy (BPH), adrenalectomy, nephroureterectomy, and urinary tract reconstructive procedures. He also has advanced training in image-guided and minimally invasive treatment of kidney tumors.

    Dr. Adams is passionate about patient-centered care and improving the quality and experience of health care for his patients. In his free time, he enjoys spending time outdoors with his family, being active in his church, and preparing gourmet meals.

    Availability

    Accepting new patients

  • Brian K. Auge, MD

    Urology

    Biography

    Brian Auge, MD, FACS concentrates his practice in the evaluation and management of prostate, kidney, and bladder cancer, BPH, kidney stone disease, and other urologic conditions. He is skilled in the performance of da Vinci® robotic surgery for all urinary tract malignancies, BPH, and other benign processes, as well as percutaneous and ureteroscopic removal of kidney stones. His procedural expertise includes ureteral reimplant, pyeloplasty, buccal-augmented pyeloplasty/ureteroplasty, bladder diverticulectomy, and retroperitoneal robotic surgery including nephrectomy and partial nephrectomy.

    Dr. Auge completed his fellowship training in endourology, minimally invasive surgery, and laparoscopy. He retired from the U.S. Navy after 24 years of active service prior to joining St. Luke’s Clinic – Urology.

    Availability

    Accepting new patients

  • Stephen A. Brassell, MD

    Urology

    Biography

    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 is the medical director for urologic oncology, as well as medical director for St. Luke’s Cancer Institute in Boise.

    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

    Availability

    Accepting new patients
  • Autumn R Bridger, DO

    Autumn R. Bridger, DO

    Urology

    Biography

    Autumn Bridger, DO concentrates her practice in the evaluation and management of a wide spectrum of adult urologic disorders, including prostate, kidney, and bladder cancer; enlarged prostate (BPH); kidney stone disease; and other urologic conditions.

    Dr. Bridger's skills include use of the daVinci robotic surgery for urologic cancers and procedures such as robotic assisted laparoscopic radical prostatectomy, radical nephrectomy, partial nephrectomy, pyeloplasty, sacrocolpopexy, ureteral reimplantation and renal cyst decortication. She also enjoys offering medical and surgical treatment options for BPH, endoscopic treatment of kidney stones, and voiding dysfunction treatment and evaluation.

    Availability

    Accepting new patients
  • Derek Derkacs, PA-C

    Derek Derkacs, PA-C

    Urologic Oncology

    Biography

    Derek Derkacs, PA-C has experience in family practice, general surgery, orthopedics, and urology.

    Derek earned his bachelor's degree in nutrition and dietetics from the University of Northern Colorado, and his master's of degree in physician assistant studies from the University of Utah Physician Assistant Program. He also serves as an aeromedical physician assistant in the Idaho Army National Guard.

    In his free time, Derek enjoys spending time with his family and running.

    Availability

    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.

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  • Scott G. Erpelding, MD

    Scott G. Erpelding, MD

    Urology

    Biography

    Scott G. Erpelding, MD treats all aspects of adult urology, and has a special interest in the evaluation and treatment of men's health issues, including erectile dysfunction, BPH (enlarged prostate), and reconstructive urology. He has additional training in penile implants and artificial urinary sphincters.

    He is skilled in da Vinci® robotic surgery for BPH, urologic malignancies, and reconstructive urology, and uses both percutaneous and ureteroscopic approaches for the management of kidney stones.

    Availability

    Accepting new patients

  • Cynthia A. Fairfax, MD

    Urology

    Biography

    Cynthia Fairfax, MD sees male and female patients and has special interest in the urologic needs of children, laparoscopic treatment of kidney abnormalities, vasectomy, treatment of urologic cancer, multimodal treatment of urinary incontinence, complex urinary infection issues, treatment of stone disease, and female pelvic medicine and reconstructive surgery. She also is experienced in robotic surgery.

    Dr. Fairfax is a founding member of Idaho Urologic Institute. She is a diplomate of the American Board of Urology and a member of the Idaho Medical Association, the Ada County Medical Society, American Urological Association, and the Society of Women in Urology. She actively participates in research studies at Idaho Urologic Institute.

    Prior to her medical training, Dr. Fairfax earned a bachelor's degree at Duke University. In her free time, she enjoys the outdoors and is an avid skier, kayaker, and runner.

    Availability

    Accepting new patients

  • William H. Fredriksson, MD

    Urology

    Biography

    William Fredriksson, MD treats urologic problems in men, women, and children. His pediatric practice includes the treatment of incontinence, reflux, undescended testicles, urinary tract infections (UTIs), circumcision, and urinary problems. In men, his area of expertise includes cancers of the prostate, kidney, bladder, testicles and penis, incontinence, poor flow, urgency, dribbling, surgery and prevention of stones, and erectile dysfunction. In women, Dr. Fredriksson treats all urologic problems including stress incontinence, urgency, and repair of prolapse.

    Dr. Fredriksson is the president of Surgery Center of Idaho and a founding member of the Idaho Urologic Institute. He is a member of the Idaho Medical Association, American Urological Association, and the Ada County Medical Society. He is also a diplomate of the American Board of Urology.

    Prior to his medical training, Dr. Fredriksson earned a bachelor's degree at Texas A&M University. Originally from     Texas, he enjoys traveling and spending time with his wife and children. He enjoys outdoor activities including golfing, hunting, and fishing. 

    Availability

    Accepting new patients

  • John A. Greer, MD

    Urology

    Biography

    John Greer, MD specializes in male infertility, vasectomy, vasectomy reversal, and sperm retrieval for in vitro fertilization. He also has professional interest in caring for patients with prostate cancer, kidney stones and erectile dysfunction. His surgical practice also includes the placement of inflatable penile prosthesis and the daVinci robot for radical prostatectomy. He actively participates in research.

    Dr. Greer is a founding member of Idaho Urologic Institute. He is a member of the American Urological Association, the Idaho Medical Association, the Ada County Medical Society, and the American Society for Reproductive Medicine. He is also a diplomate of the American Board of Urology.

    Prior to his medical training, Dr. Greer earned a bachelor's degree at Auburn University. His fellowship training at Baylor University College of Medicine focused on male reproductive medicine and microsurgery. 

    Raised in Georgia, Dr. Greer moved to Boise many years ago to open a practice in male reproductive medicine. In his time away from the office, he enjoys hunting, fishing, skiing, and tennis.

    Availability

    Accepting new patients

  • Jared G. Heiner, MD

    Urology

    Biography

    Jared G. Heiner, MD has a special interest in prostate cancer treatment and extensive experience using the da Vinci® surgical robot for laparoscopic radical prostatectomy.

    Availability

    Accepting new patients

  • Helen J. Kuo, MD

    Urology

    Biography

    Helen J. Kuo, MD specializes in the treatment of complex kidney stones, vasectomy, female and male incontinence, and minimally invasive treatment for stones, prostate enlargement, renal tumors, obstruction, and prostate cancer. She has a special interest in urologic oncology, including testis and bladder cancer surgery, and is proficient in robotic and laparoscopic surgery. She treats men, women, and children.

    Dr. Kuo is a member of the American Urological Association, American Medical Association, the Ada County Medical Association, and the Idaho Medical Association. She is also a diplomate of the American Board of Urology.

    Prior to her medical training, Dr. Kuo earned a bachelor's degree at Northwestern University. She has served as a medical volunteer in Bolivia and Kenya, and learned medical Spanish while living in a rural community in Bolivia studying Chagas disease. She is also fluent in Mandarin. In her free time, she enjoys traveling and spending time with her children.

    Availability

    Accepting new patients

  • Michael S. Morris, MD

    Urology

    Biography

    Michael Morris, MD has special interests in all aspects of adult urology, including minimally invasive surgical techniques (laparoscopy, endoscopy, and robotic surgery), kidney stone disease, genitourinary cancer, BPH, female urology, prosthetic surgery, and infertility. Dr. Morris is a distinguished graduate of the U.S. Air Force Academy. He completed his residency at Wilford Hall USAF Medical Center and Brooke Army Medical Center, and served in the Air Force as a urologist.

    Availability

    Accepting new patients

  • Lisa M. Parrillo, MD

    Urology

    Biography

    Lisa Parrillo, MD has special interest in reconstructive urology and conditions such as urethral stricture disease, erectile dysfunction, urinary incontinence, vesicovaginal fistulas, urologic cancer, complex urinary infection issues, and stone disease. Her procedural expertise includes robotic treatment of ureteral stricture, robotic treatment of prolapse disease, and vasectomy. She sees both male and female patients, and participates in research studies at Idaho Urologic Institute. 

    Dr. Parrillo earned her bachelor's degree at Pomona College. After her urology residency, she completed a fellowship in genitourinary reconstructive surgery at the University of Colorado. She is a member of the American Urologic Association, Society of Women in Urology, and the Genitourinary Reconstruction Society.

    In her free time, Dr. Parrillo enjoys the outdoors through running, rock climbing, skiing, and hiking.

    Availability

    Accepting new patients

  • Craig R. Spencer, MD

    Urology

    Biography

    Craig R. Spencer, MD provides care in all aspects of adult and pediatric urology, including urologic oncology, male and female voiding dysfunction, and stone disease. He performs open, laparoscopic, endoscopic, and robotic surgery, and is experienced in the minimally invasive Rezum™ treatment for BPH. 

    Dr. Spencer continues to serve as a commander in the Naval Reserves.

    Availability

    Accepting new patients

  • Donald K. Stritzke, MD

    Urology

    Biography

    Donald K. Stritzke, MD provides treatment and care for patients with a variety of urological problems, and has special interests in oncology and kidney stone disease. Dr. Stritzke graduated from the College of Idaho. He founded Caldwell Urology, and later joined St. Luke’s.

    Availability

    Accepting new patients

  • Michael B. Taylor, MD

    Urology

    Biography

    Michael B. Taylor, MD treats all aspects of adult urology, including kidney stones, prostate cancer, bladder cancer, kidney cancer, and urinary incontinence. He has a special interest in benign prostatic hyperplasia, where he has specialized training in greenlight photovaporization, Rezum™, and the UroLift® procedures as alternatives to drugs or more invasive therapies.

    Dr. Taylor received his bachelor's degree from Brigham Young University where he graduated summa cum laude. He then went to medical school at the University of California, Irvine where he was elected part of the Alpha Omega Alpha Honor Medical Society.  He completed his urology residency at the University of Utah and is a member of the American Urologic Association.

    Availability

    Accepting new patients

  • Todd M. Waldmann, MD

    Urology

    Biography

    Todd Waldmann, MD specializes in the treatment of prostate cancer, kidney stones, kidney cancer, enlarged prostate (BPH), and erectile dysfunction. He performs robotic assisted prostatectomy, robotic and laparoscopic kidney surgeries, vasectomy, BPH surgery, and kidney stone procedures. Dr. Waldmann treats men, women, and children.

    Dr. Waldmann is a founding partner and currently serves as president of Idaho Urologic Institute. He is a member of the American Urologic Association, the Ada County Medical Society, and the Idaho Medical Association, as well as a diplomate of the American Board of Urology. 

    Dr. Waldmann earned a bachelor's degree in English from the University of Notre Dame. He is married and enjoys running, skiing, backpacking, travel, and (thanks to his children) is a budding soccer enthusiast.

    Availability

    Accepting new patients

  • Joseph H. Williams, MD

    Urology

    Biography

    Joseph Williams, MD, CPI treats men, women, and children. He is medical director of Surgery Center of Idaho, and is also a certified primary investigator with the Association of Clinical Research Professionals. He is a member of the American Urological Association and the Idaho Medical Association, and a diplomate of the American Board of Urology. 

    Dr. Williams has served as a board member on the Idaho State Board of Medicine; past president of the board of directors of the Ada County Medical Society; and a director of the Idaho Physicians Network. He is currently president-elect of the board of the Idaho Medical Association, and is an assistant professor of urology at the Idaho College of Osteopathic Medicine.

    Dr. Williams was born in Idaho and raised in the southeastern U.S. A decorated Naval veteran in the Persian Gulf during Operation Desert Storm and Desert Shield, Dr. Williams served ten years in the U.S. Navy. He is a former Boy Scout leader and volunteer for the Boise School District. In his free time, he enjoys backpacking, skiing, and running with his family and friends.

    Availability

    Accepting new patients

Procedures & Treatments

  • Surgery for Urologic Cancer

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

Supportive Oncology

Caring for the Whole Person

Supportive oncology is an integral part of the St. Luke’s Cancer Institute philosophy that healing comes from caring for the whole person, not just the disease.


You can count on a team of experts who will work alongside your physicians to help you and your family be as strong and stable as possible during your cancer diagnosis, treatment and beyond.


Learn more about our supportive oncology services

Articles & Resources

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