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At NYU Langone Urology Associates, our renowned urologists provide world-class, compassionate care for a wide range of conditions affecting the kidneys, bladder, urinary tract, and male reproductive system.


U.S. News & World Report’s “Best Hospitals” ranks NYU Langone among the top 10 hospitals in the country for urology for 2021–2022.

For every person we see, we use the most sophisticated diagnostic tools and leading-edge, evidence-based treatments. Our aim is to help you return to full health as quickly as possible.

Leaders in the Care of Benign and Cancerous Conditions

Our experts treat a wide variety of conditions in adults, including the following:

Through our collaboration with Perlmutter Cancer Center and the Department of Radiology at NYU Grossman School of Medicine, we provide personalized and compassionate care for people with urologic cancers of the urinary tract and male reproductive system including the following:

Our pediatric urologists have specialized training in caring for children and understand their unique needs. Working through Hassenfeld Children’s Hospital at NYU Langone, our experts treat infants and children with conditions including the following:

Complex Urologic Reconstructive Surgery

Dr. Lee C. Zhao and Dr. Nnenaya A. Mmonu have developed several innovative techniques for urinary tract reconstruction and pioneered the use of the single-port da Vinci® surgical system robot for reconstructive surgery. They specialize in minimally invasive techniques to treat the following conditions:

  • ureteral stricture or obstruction
  • hydronephrosis
  • ureteropelvic junction obstruction
  • urethral strictures
  • complications of prostate, bladder, gynecologic, and colon and rectal surgery
  • complications of radiation therapy
  • congenital conditions such as hypospadias, epispadias, and duplication of the ureter
  • congenital conditions in adults
  • genital lymphedema

Our urologic reconstructive surgeons collaborate closely specialists in colon and rectal surgery, inflammatory bowel disease, gynecology, and plastic surgery to provide comprehensive, personalized care.

To request an appointment with Dr. Zhao or Dr. Mmonu about urologic reconstructive surgery, call 646-825-6300 or email reconstructiveurology@nyulangone.org.

Speciality Centers and Services

Members of our team provide specialty care through a number of NYU Langone locations and centers. At the Center for Female Pelvic Medicine, our specialists offer treatment for a range of urologic and gynecologic conditions including postpartum pelvic floor disorders.

At our Smilow Comprehensive Prostate Cancer Center, our experts provide diagnosis and personalized treatment for prostate cancer.

Members of our team collaborate with our colleagues in plastic surgery to offer gender-affirming and transgender surgery services.

In addition, our doctors are at the forefront of the most advanced surgical techniques and are renowned for their skill in performing robotic surgery for benign and malignant conditions of the urinary tract as well as cancers and tumors.

Clinical Trials

Through clinical trials, our team innovates and tests new treatments, techniques, and devices that improve care and quality of life for our patients. View our current active trials in the following areas:

Contact Us

To request an appointment call 646-825-6300.

Our Location

NYU Langone Urology Associates

222 East 41st Street, 11th and 12th Floors, New York, NY, 10017

For Our Patients

Information About Your Doctor’s Office Visit

Get information to help you prepare and learn what to expect.

Office Hours

Our office is open Monday through Friday, from 8:00AM to 6:00PM.


Free Wi-Fi is available to patients and visitors.