Welcome to the Upper East Side Oncology section where we list all oncologists in 10022, 10065, 10021, 10075, 10028 and 10128 zip codes. Oncologists are physicians who study, diagnose, and treat cancerous tumors. In this section, you will find all Upper East Side cancer treatment centers, oncologists, and medical practices specializing in oncology. Click on any business to obtain additional information and to pinpoint its location on the map or scroll down to view Upper East Side oncologists by block. Be sure to hold your mouse over businesses in bold italics for a special pop-up description.