Cancer Research Of Long Island 170 Great Neck Rd Great Neck, NY 11021 Phone : (516) 482-4790 Business Category Research Services Commercial Economic Sociological & Educational Research Hal Gerstein Md 170 Great Neck Rd Great Neck, NY 11021 Phone : (516) 482-4790 Business Category Physicians & Surgeons-M.D. Cancer Institute-long Island 310 E Shore Rd Great Neck, NY 11023 Phone : (516) 482-4790 Business Category Physicians & Surgeons-M.D.