Welcome to the Upper East Side Nephrology section where we list all nephrologists in 10022, 10065, 10021, 10075, 10028 and 10128 zip codes. Nephrologists are doctors who specialize in the function and diseases of the kidney. Click on any business to obtain additional information and to pinpoint its location on the map or scroll down to view Upper East Side nephrologists by block. Be sure to hold your mouse over businesses in bold italics for a special pop-up description.