Dr. Edward J. Yun

Ithaar Derweesh is a Urologist practicing medicine in San Diego, California. Dr. Derweesh is highly rated in 19 conditions, according to our data. His clinical expertise encompasses Renal Cell Carcinoma (RCC), Upper Tract Urothelial Carcinoma (UTUC), Urothelial Cancer, Nephrectomy, and Reconstructive Urology Surgery.

Dr. Faysal A. Yafi is board-certified urologist and medical director of the Men's Health Center at the UCI Health Center for Urological Care.He specializes in erectile dysfunction, hypogonadism, Peyronie’s disease, prosthetic surgery, male voiding dysfunction, male infertility and other men's health conditions.Yafi earned his medical degree from the American University of Beirut, followed by an internship in general surgery at the Mayo Clinic in Rochester, Minn. He then completed a residency in urology at McGill University in Montreal, Quebec, followed by a two-year fellowship in andrology, sexual medicine and prosthetics at Tulane University in New Orleans, La.He has an avid interest in both basic and clinical research. He has written more than 70 peer-reviewed publications and book chapters, and has received multiple national and international awards and recognitions. He is a fellow of the Royal College of Surgeons of Canada and an active member of the Sexual Medicine Society of North America (SMSNA), the International Society for Sexual Medicine (ISSM), the American Society of Andrology, the American Urological Association (AUA) and the Société Internationale d’Urologie (SIU).Yafi sees patients in Newport Beach and Orange. Dr. Yafi is highly rated in 27 conditions, according to our data. His clinical expertise encompasses Peyronie Disease, Erectile Dysfunction (ED), Priapism, Aquablation, and Hormone Replacement Therapy (HRT). Dr. Yafi is board certified in American Board Of Urology - Urology. Dr. Yafi is currently accepting new patients.

Dr. Ryan Hsi is a board-certified UCI Health urologist who specializes in minimally invasive and endourologic surgery.He earned his medical degree from Loma Linda University School of Medicine in Loma Linda, Calif. He completed a residency in urology at the University of Washington in Seattle, followed by a fellowship in endourology and laparoscopy at UC San Francisco.A nationally recognized expert in kidney stone disease, he performs advanced treatments such as ureteroscopy, laser lithotripsy and mini and standard percutaneous nephrolithotomy.Hsi’s research focuses on improving the prevention, diagnosis and management of kidney stones through clinical trials, health services research and data-driven innovations. He has published more than 100 papers in peer-reviewed journals. He is principal investigator for multiple NIH-funded studies, including projects to optimize kidney stone prevention and to develop national research networks for urinary stone disease.A recipient of the American Urological Association’s Gold Cystoscope Award, Dr. Hsi is committed to translating scientific discovery into better patient care. He has received multiple teaching awards for education and mentorship. Dr. Hsi is highly rated in 18 conditions, according to our data. His clinical expertise encompasses Kidney Stones, Hydronephrosis, Perirenal Abscess, Lithotripsy, and Ureteroscopy. Dr. Hsi is board certified in American Board Of Urology - Urology. Dr. Hsi is currently accepting new patients.