Internal Medicine, Hematology & Oncology in NEW YORK, NY
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Catherine Sibyl Diefenbach, M.D., is a physician specializing in Internal Medicine, Hematology & Oncology. She is based in New York, NY.
Generated from public NPI Registry data only. Not independently verified — confirm credentials directly with the practice.
Dr. CATHERINE SIBYL DIEFENBACH specializes in Internal Medicine, Hematology & Oncology.
Dr. CATHERINE SIBYL DIEFENBACH practices in NEW YORK, NY.
Dr. CATHERINE SIBYL DIEFENBACH's NPI number is 1982864039.