Doctors with experience in Kidney stones in the Northern suburbs of Athens

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.

Kalogeropoulos Petros MD, PhDc is a Nephrologist with private practices in Chalandri and Argos. He holds a medical degree from the Medical School of Democritus University of Thrace and is a doctoral candidate, with a dissertation titled "The effect of sodium-glucose co-transporter 2 inhibitors on renal function in patients with primary glomerular diseases in remission" at the National and Kapodistrian University of Athens. During his specialty training, he was trained in all areas of Nephrology (clinical nephrology, glomerular diseases, hemodialysis, peritoneal dialysis, transplantation, routine outpatient clinics for chronic kidney disease, polycystic kidney disease, and follow-up of recent transplant patients), in the placement of central venous catheters under ultrasound guidance, in performing native kidney and renal graft biopsies, in urine sediment analysis, and in renal ultrasound imaging. Since December 2025, he has been practicing as a Nephrologist at M.C.A. “IKA”. Concurrently, he worked from June 2021 to November 2025 as a Nephrologist at M.C.A. “Polyxenia Renal” and from 2022 to 2024 as an Academic Fellow at the National and Kapodistrian University of Athens within the Nephrology Unit of the 2nd Propaedeutic Internal Medicine Clinic at the General University Hospital "Attikon", engaging in clinical, teaching, and research activities. He has attended numerous Greek and international conferences, having also participated as a speaker. Finally, he has numerous publications in international journals and serves as a reviewer for Clinical Kidney Journal and Cureus.

Paizis Thodoris is a Urologist with a private practice in Pagrati. He graduated from the Medical School of Ovidius University with a specialty in Urology and is also a graduate of the Military Medical Training School (SEOPY) from the Air Force Medical Personnel Training Center (KEYPA). The doctor is a specialist urologist with extensive clinical experience in both the public and private sectors. Since 2024, he has been a Consultant at the Urology Clinic of the Medical Center of Palaio Faliro and maintains a private practice in Pagrati. He has served at major hospitals such as the General Hospital of Athens “G. Gennimatas,” where he completed his specialty in Urology, and has actively participated in Greek and international conferences with scientific presentations. His goal is to provide high-level medical services based on continuous education and scientific evidence.

Dr. Mertziotis Nikolaos is a Urologist - Andrologist with private practices in Ampelokipoi, Cholargos, and Neo Psychiko. He holds a PhD from the University of Athens on the topic "Investigation of Urological and Sexual Disorders in Patients with Multiple Sclerosis." He earned his Medical Degree from the Medical School of the University of Modena, Italy, and specialized in Urology as a fellow of the Hellenic Urological Association, training at various hospitals in the United Kingdom with a focus on urinary incontinence urodynamics, urethroplasty, and reconstruction of the lower urinary tract. Additionally, he specialized in laparoscopic and robotic surgery in Strasbourg, France. He has been awarded by the Urological Association for an innovative urethroplasty technique and has presented his work on innovative laser focal therapy for prostate cancer in the Netherlands, Japan, Washington, and Los Angeles. Concurrently, he has been the Director of the Urology Clinic at Metropolitan General since 2014, possessing extensive clinical experience from his work at "Errikos Dynan" Hospital, the Athens Bioclinic, "Mitera" Hospital, among others, having successfully performed over 8,000 surgical procedures. He has introduced new techniques both in Greece and internationally. Lastly, he has presented and participated in 80 international and Greek studies and numerous conferences as a speaker and is a member of the European Association of Urology, the Hellenic Urological Association, the British Association of Urology, the Board of the Urodynamics, Incontinence and Female Urology Committee of the Hellenic Urological Association. He is the President of the Hellenic Society of Focal Therapy as well as the President of the Society of Preventive Medicine and Primary Care.

Vasilakis Georgios is a Urologist - Andrologist and maintains a private practice in Marousi. He holds a degree from the Medical School of the University of Crete and has studied at the Medical Department of the University Louis Pasteur of Strasbourg, where he gained clinical experience. Additionally, in 2008, he obtained certification for the use of the Da Vinci robotic surgical system at the Hôpital Civil de Strasbourg. He possesses extensive professional experience in recognized centers and hospitals in Greece and currently, in addition to his private practice, he serves as a Urological Surgeon at the private hospital "Hygeia." Finally, it is worth noting that he has numerous published papers and presentations in journals both in Greece and abroad.

Livanios Anastasios - Menclinic is a Urologist - Andrologist and founder of the private MenClinic in Cholargos. He holds a Doctorate from the Cluj-Napoca University of Medicine and is a PhD candidate at the University of Athens. He has performed hundreds of specialized surgeries in Prosthetic Urology as well as numerous Classic Urology procedures. He is a regular member of the Hellenic Urological Association and related subspecialties. He is a scientific collaborator and physician at the Athens Clinic and the Euroclinic of Athens. In 2015, he founded MenClinic, the Andrological Clinic specializing in men's sexual health issues, attracting patients from all over Greece and abroad. He was admitted to Medical School in 1989 and graduated in 1995 with honors. He served his military duty in Lemnos and completed rural service as a general practitioner at the Peripheral Clinic of Pefkochori (Chalkidiki). He trained in General Surgery at the Polyclinic General Hospital for one year. Subsequently, he continued his specialty in Urology for four years at the same hospital. He also trained: at the Obstetrics and Gynecology Clinic of Elena Venizelou Hospital for six months and at the Plastic Surgery Clinic of Agios Savvas Hospital for six months. He obtained his Urology specialty in 2005. He has participated in numerous seminars and training courses abroad in the United States, United Kingdom, Germany, and Austria, focusing on Reconstructive Urology (Andrology, Infertility, and Gynecological Urology).

Papakostoula Aggeliki is a Nephrologist who maintains a private practice in Nea Filadelfeia. She holds a medical degree from the Medical School of the National and Kapodistrian University of Athens. She initially specialized in Internal Medicine at the 1st IKA Melissia and subsequently in Nephrology at the General Hospital of Attica "Sismanoglio - Amalia Fleming." Dr. Papakostoula has worked as an Attending Nephrologist in the Chronic Hemodialysis Unit at "Mesogeios" - Pallini Nephrology Center, as well as in the Chronic Hemodialysis Unit of the Athens Kidney Center, where she currently serves as the Scientific Director. In her private practice, she offers a wide range of services, respecting the specific needs of each patient. Lastly, Dr. Papakostoula is a member of the Athens Medical Association and the Hellenic Nephrology Society.

Panagiotis Kompotiatis is a nephrologist and Assistant Professor of Nephrology at the Mayo Clinic in the United States of America (USA). He specialized in nephrology at the Mayo Clinic and in pathology at Bridgeport Hospital, Yale School of Medicine (USA). He has worked as a nephrology attending physician at the Mayo Clinic. He graduated from the Medical School of the National and Kapodistrian University of Athens. In 2021, he returned to Greece. He is a scientific collaborator of the Nephrology University Clinic of Laiko Hospital and continues his research activities in collaboration with the Mayo Clinic. Concurrently, he maintains a private practice and collaborates with the largest private hospitals in Athens. He has an extensive research portfolio with numerous publications and presentations at international conferences.

Georgios Chrysoxoidis MSc, FEBU is a Urologist - Andrologist who maintains a private practice in Drosia and Kallithea. He holds a Master's Degree in Oncology and is a member of the European Board of Urology. Additionally, he serves as the Deputy Director of the Third Urological Clinic at Lefkos Stavros and has previously been a Consultant at the Fourth Urological Clinic of Metropolitan General Hospital. The doctor has extensive experience in minimally invasive techniques, robotic surgery, and urogynecology. At his clinic, examinations related to prostate diseases, urinary incontinence assessment, fertility evaluation, erectile dysfunction, as well as lithiasis are performed. His clinic is equipped with a state-of-the-art ultrasound device, and a range of specialized examinations are conducted on site, including flexible cystoscopy, transrectal prostate biopsy, uroflowmetry, and penile triplex.

Georgios Katsagounos is a Urologist - Andrologist and maintains a private practice in Melissia. He holds a Medical Degree from the University G. D'Annunzio Chieti - Pescara in Italy and specialized in Urology at the Urological Clinic of the General Hospital of Athens "G. Gennimatas." He is a Fellow of the European Board of Urology (FEBU) and holds the Advanced Trauma Life Support (ATLS) certification. Since 2018, he has worked as a Consultant at the 3rd Urological Clinic of Hygeia Hospital. Finally, the doctor specializes in urinary tract lithiasis, prostate diseases, and transurethral resection of the prostate (TURis).

Mpafas Dimitrios is a Nephrologist and Consultant at the Nephrology Clinic of the Athens Medical Center as well as at the clinics of the group. He graduated from the Medical School of the National and Kapodistrian University of Athens and is a PhD candidate in Medicine at the same institution. The physician specializes in conditions such as renal failure or nephrolithiasis (kidney stones), managing patients undergoing hemodialysis or kidney transplantation, regulating electrolytes or hypertension, and balancing the body's fluids. Additionally, he provides high-level services in the placement of central hemodialysis catheters using ultrasound guidance. Finally, he is involved in the full spectrum of clinical nephrology and continuously updates his knowledge by attending conferences related to his specialty.