Are there specialists that are oncology nephrologists?

Are there specialists that are oncology nephrologists? So the majority of nephrologists are generalists, but at large academic centers like ours, we actually do have nephro-oncologists that are more familiar with the types of kidney problems that myeloma patients and other cancer patients will experience. What are the best ways to prevent nephro-oncology nephro-oncology nephro-oncology nephro-oncology