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BioDr. Belay is a fellowship-trained urologic oncologist with the Stanford Health Care Urologic Cancer Program. She is also a clinical instructor in the Department of Urology at Stanford University School of Medicine.

Dr. Belay specializes in diagnosing and treating disorders of the urinary tract, including kidney cancer, enlarged prostate, ureteral stones, and blood in the urine. She also treats all types of genitourinary cancers. She is skilled in the use of multiple imaging and treatment modalities, including cystoscopy, endourology, laparoscopy, laser therapy and surgery, ultrasound, urodynamic testing, ureteroscopy, and robotic surgery. Dr. Belay works closely with her patients to provide a comprehensive evaluation and care plan.

Her research interests include pain control during robot-assisted prostatectomy (prostate removal) and determining the best types of guidewires for bypassing stones in the ureter. She has also studied the effects of caffeine on postmenopausal women with overactive bladder symptoms

Dr. Belay is involved with the Stanford Medicine Center for Improvement, the goal of which is to inspire and accelerate the delivery of consistent, excellent care across Stanford Medicine. She is also passionate about sharing her knowledge of urology with medical students, having taught and mentored several residents and post-doctoral fellows.

Dr. Belay’s research has appeared in several peer-reviewed journals, including Urology Practice, Journal of Endourology, and Journal of Women’s Health. She has presented her work both nationally and internationally at meetings and conferences of professional organizations including the American Urological Association (AUA); Society of Urodynamics, Female Pelvic Medicine & Urogenital Reconstruction; and World Congress of Endourology.

Dr. Belay is a member of the AUA and Society of Urologic Oncology.

Nadjet Belbachir

Affiliate, Cardiothoracic Surgery Research

Eric Van Belcea

MD Student, expected graduation Spring 2031

BioHello! I am Eric Văn (VahN) Belcea (BEL-cha), a medical student with experience across a range of domains, including healthcare, finance, music, and community service. I am a passionate leader who seeks to make a positive impact through my professional and academic engagements. As I pursue a career in medicine, I’m eager to learn in an environment that integrates both the science of medicine and the systems that shape health outcomes. I am particularly interested in advancing preventive care through research, exploring the responsible use of technology to improve clinical decision-making, and identifying tools to drive meaningful systemic reform in pursuit of lower cost, higher quality, and greater accessibility for all people.