Doctors with experience in Kidney stones

Ioannis Siafakas, Urologist, is a graduate of Aristotle University of Thessaloniki and has completed further training at the General Hospital of Athens "G. Gennimatas" and at Massachusetts General Hospital of Harvard Medical School. He is the Deputy Director of the Urology Department at the 251 Air Force General Hospital and handles cases covering the full spectrum of urology. Having specialized in neuro-urology and urodynamics, he is highly qualified to inform patients of all ages on issues related to the pathology of the genitourinary system. Urologist Ioannis Siafakas provides comprehensive services to patients suffering from prostate hypertrophy, urinary incontinence, and lithiasis. Additionally, through continuous training in recent years, he undertakes surgical cases such as kidney, bladder, and prostate tumors. In a state-of-the-art clinic, using the latest technology equipment, he offers the best possible diagnosis, treatment, and management for patients suffering from varicocele, employing laparoscopic and robotic repair, as well as phimosis treatment using radiofrequency or laser for improved healing.

Koumentakis Mixail is a Urologist – Andrologist with private practices in Lykovrysi and Ilisia, and he is the director of the 4th Urological Clinic at Metropolitan General Hospital. He holds a degree from the Charles Medical School, is a holder of the FEBU (Fellow of the European Boards of Urology) certification, and specializes in laparoscopic-robotic surgery, urinary tract lithiasis, and prostate diseases, while covering the entire spectrum of urology. In his urology practice, each patient can receive information on urinary and male reproductive system issues. Koumentakis Mixail, as a urologist – andrologist, offers a range of services at his clinic, including fertility assessment, prostate examination, transrectal ultrasound, renal, testicular, and bladder ultrasound, and cystoscopy. Additionally, he provides high-level services related to gynecological urology and pediatric urology. Finally, through continuous training, he is involved in prostate surgery, oncology, and endourology.

Pagkos Ioannis is a urologist-andrologist surgeon who maintains two private clinics in the center of Thessaloniki and in Chalastra, respectively. He graduated with distinction from the Medical School of Democritus University of Thrace and initially specialized at the 2nd University Surgical Clinic of the General Hospital of Thessaloniki "G. GENNIMATAS" and subsequently at the 1st University Urological Clinic of the same hospital. The physician has extensive experience in endoscopic, laparoscopic, and minimally invasive urology. His involvement with patients suffering from urinary tract lithiasis and the full spectrum of prostate diseases has been continuous and substantial, offering the ideal solution for their problems by applying the most modern and bloodless methods of endourology. At the same time, he has experience in andrology and infertility. His clinic offers the capability to perform shockwave therapy for the treatment of patients with erectile dysfunction. This is a pioneering next-generation method with excellent results. He serves as a scientific collaborator and urologic surgeon at the Bioclinic of Thessaloniki and the General Clinic of the Euromedica Group. Additionally, he has attended numerous scientific conferences and has contributed to the publication of many scientific articles at both Greek and European levels. Finally, the physician is a member of the Hellenic Urological Association, the European Association of Urology, and the Urological Association of Northern Greece.

Stelios Xintzoglou MD, FEBU is a Urologist - DaVinci Robotic Surgeon specializing in prostate, bladder, and kidney surgery. He is fellowship trained at the largest Uro-Oncology centers in the United Kingdom over a decade. For the past 4 years, he worked as an NHS Consultant (Director level) before returning to Greece. He has performed and participated in more than one thousand robotic surgeries with a concurrent specialized clinical interest in General Urology, Prostate Hyperplasia, and Lithiasis. He has served as a Robotic Surgery trainer for fellow urologists as well as nursing staff. 

Specifically, he specialized at the University College London Hospital (UCLH), ranked 7th among the Best Specialized Urology Hospitals worldwide for 2023 and 2024 according to Newsweek magazine. He also trained at Royal Surrey Hospital, one of the leading robotic pelvic urology centers with the highest case volume in the UK, where he also worked as a Consultant. Additional clinical experience was acquired in Cambridge, Manchester, Bristol, Edinburgh, and Lincoln. 

He graduated from the Medical School of the University of Patras and completed his specialty training at Hippokration Hospital of Thessaloniki in 2014 before relocating to the United Kingdom. In the same year, he obtained the European Board of Urology certification (Fellow of the European Board of Urology, FEBU). 

Konomi Markella MD, FEBU is a Urologist - Andrologist and maintains a private practice in Ilioupoli. She holds the title of FEBU (Fellow of European Board of Urology) and has specialized in urology at the 2nd University Urology Clinic of the General Hospital of Athens "Sismanoglio". Furthermore, Dr. Markella has extensive experience in urodynamic testing, urinary tract lithiasis, urinary incontinence, and andrological disorders, as well as diseases of the kidneys/ureters, bladder, and prostate (hyperplasia/prostate cancer). At her private practice, she provides a wide range of services, including kidney ultrasound, phimosis treatment, and cystoscopy. Finally, she is a member of the Athens Medical Association and the Hellenic Urological Society.

Roumpesis Panagiotis is a Urological Surgeon - Andrologist, Director of the Urology Clinic at Metropolitan General Hospital, and maintains private practices in Glyfada & Kalyvia. He is a PhD candidate at the Medical School of the National and Kapodistrian University of Athens. He specializes in urinary tract lithiasis, prostate diseases, and laparoscopic - robotic surgery. The doctor manages the entire spectrum of urological and andrological conditions and has particular expertise in the application of the most advanced surgical techniques such as: 1) robotic surgery with the Da Vinci system for prostate and kidney cancer, 2) TURis transurethral resection of the prostate for benign prostatic hyperplasia, 3) HOLEP (laser enucleation of the prostate) for benign prostatic hyperplasia, 4) the REZUM endoscopic technique for benign prostatic hyperplasia, 5) performing FUSION prostate biopsy, 6) flexible ureteroscopy and laser lithotripsy for kidney and ureteral stones, 7) implantation of penile prosthesis for the treatment of erectile dysfunction, 8) microsurgical technique for the treatment of varicocele, 9) laser circumcision, and 10) testicular biopsy using the microTESE method for the treatment of male infertility.

Kratiras Zisis is an Assistant Professor of Urology at the National and Kapodistrian University of Athens. He works at the University General Hospital "Attikon" and maintains a private practice in Glyfada. He has served as a scientific collaborator at the Robotic and Minimally Invasive Surgery Center of the Medical Center of Athens. He studied at the Medical School of the National and Kapodistrian University of Athens, where he completed his doctoral thesis with distinction. He specialized in Urology at the Urology Clinic of the General Hospital of Athens "Hippokration," and during his specialty training, he was trained in Plastic Surgery and Gynecology at the Oncology Hospital of Athens "Agios Savvas." Furthermore, following Pan-European examinations, he obtained the title of Fellow of the European Board of Urology (FEBU). Subsequently, he completed advanced training in Laparoscopy and Endourology/Lithiasis Management at Monklands University Hospital in Glasgow, as well as in Robotic Surgery of the Upper Urinary Tract (kidney and ureter surgeries) at Queen Elizabeth University Hospital in Glasgow. In 2019, he worked for one year as an assistant consultant B at the "Achillopouleio" General Hospital of Volos. In 2020, he returned to the United Kingdom and undertook further training at Bradford University Hospital, completing a robotic fellowship in Robotic Surgery of the Lower Urinary Tract/Pelvis (prostate and bladder surgeries). In June 2022, he was appointed Assistant Professor of Urology at the National and Kapodistrian University of Athens. He has participated in numerous Greek and international conferences, both as an invited speaker and as a presenter of posters and oral presentations, and has published numerous foreign-language articles in reputable journals in the scientific field. Finally, he has contributed as an author to the international English-language book on Robotic Urology "Robotics in Genitourinary Surgery," edition 2, Springer.