Who is the best nephrologist in the world?

Determining the "best" nephrologist in the world is subjective and depends on various factors, including specific expertise, research contributions, and patient care. Renowned nephrologists like Dr. Richard L. Fine and Dr. J. Bruce Merritt are highly respected in the field, but many others Excel in different areas of nephrology. Ultimately, the best nephrologist for an individual may vary based on personal needs and circumstances.