Nir Kleinmann

Dr. Nir Kleinmann, MD

Director, Endourology & Kidney Stones Unit – Sheba Medical Center

Leading Expert in Minimally Invasive Urology & Urologic Oncology

Dr. Nir Kleinmann is a highly specialized urologist and internationally trained expert in minimally invasive surgery and urologic oncology, with a strong focus on kidney and upper urinary tract diseases.

He currently serves as Director of the Endourology and Kidney Stones Unit at Sheba Medical Center, one of the world’s leading hospitals. Dr. Kleinmann has been recognized among the Best Doctors in Israel for 2025 and 2026 by Forbes and ResultMed, reflecting his clinical excellence and outstanding patient outcomes.

Areas of Expertise

• Urologic Oncology (Key Focus)
  Upper tract urothelial carcinoma (UTUC), kidney cancer, prostate cancer
• Advanced Stone Disease Management
  • Complex kidney and urinary stones
  • Advanced endoscopic and laser-based treatments
• Minimally Invasive & Organ-Preserving Surgery
  • Endoscopic and laparoscopic procedures
  • Precision techniques aimed at faster recovery and reduced complications
• Prostate Health
  Treatment of benign prostate enlargement (BPH)

Innovation & Advanced Treatments

Dr. Kleinmann is a pioneer in kidney-sparing laser surgery, utilizing a unique dual-laser system (neodymium & holmium) to treat complex tumors while preserving the kidney whenever possible.

His approach focuses on:

• Maximizing cancer control while preserving organ function
• Minimizing surgical trauma and recovery time
• Delivering highly personalized, precision-based care

International Training & Expertise

Dr. Kleinmann completed advanced international fellowships at leading institutions:

• Endourology & Minimally Invasive Surgery Fellowship – Thomas Jefferson University
• Kidney Cancer Research Fellowship – McMaster University

Research & Clinical Leadership

Dr. Kleinmann is actively involved in clinical research and innovation, including participation in the OLYMPUS trial, focusing on non-surgical chemoablation treatments for upper tract urothelial carcinoma.

He has authored 60+ scientific publications, contributing to advancements in:

• Urologic oncology
• Endourology and stone disease
• Minimally invasive treatment approaches
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Professional Memberships & Certification

• Israeli Board-Certified Urologist
• Fellow, American Endourology Society
• Member of:
  • Israeli Urological Association
  • European Association of Urology (EAU)

Dr. Kleinmann is dedicated to providing advanced, personalized care, combining international expertise, innovative technology, and a minimally invasive approach to achieve the best possible outcomes while preserving quality of life.