Memorial Sloan Kettering medical oncologist Danielle Zimmerman specializes in caring for people with genitourinary cancers, including prostate cancer, bladder cancer, kidney cancer, and testicular cancer. Her practice is located at MSK Basking Ridge. For general information, call Memorial Sloan Kettering at 212-639-2000, 24 hours a day, seven days a week. To make an appointment, call us at 800-525-2225, Monday through Friday between 8:30 AM and 5:30 PM ET.