Skip to main content

Walter Blumenfeld, MD

Board Certifications

Anatomic and Clinical Pathology, Cytopathology




CBL Path


Dr. Walter Blumenfeld is board certified in anatomic and clinical pathology as well as cytopathology. He received his M.D. degree from the Albert Einstein College of Medicine. He completed residency training in anatomic pathology and laboratory medicine at the University of California – San Francisco where he was Chief Resident, followed by a fellowship in microbiology. Prior to joining CBLPath, Dr. Blumenfeld was Associate Professor of Clinical Pathology at the State University of New York at Stony Brook and Director of Cytopathology at Winthrop University Hospital. He has published 33 papers as well as several book chapters and is currently a reviewer for The Journal of Diagnostic Cytopathology. Dr. Blumenfeld is an active member of the American Society of Cytopathology, the United States and Canadian Academy of Pathology, the New York Pathological Society, and the College of American Pathologists.