Internal Medicine, Hematology & Oncology in EAST ROCKAWAY, NY
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Stephen Feffer is a physician specializing in Internal Medicine, Hematology & Oncology, based in East Rockaway, NY.
Generated from public NPI Registry data only. Not independently verified — confirm credentials directly with the practice.
STEPHEN FEFFER specializes in Internal Medicine, Hematology & Oncology.
STEPHEN FEFFER practices in EAST ROCKAWAY, NY.
STEPHEN FEFFER's NPI number is 1558453423.