In addition to her position at Summit Medical Group, Geraldine O. Mercer, MD, is Attending Pathologist at Morristown Memorial Hospital in Morristown, New Jersey. Her expertise includes cytopathology and gastrointestinal pathology. Before her position at Morristown Memorial Hospital, Dr. Mercer was Attending Pathologist and Assistant Professor of Pathology at New York Hospital-Cornell Medical Center in New York City. She is a member of the College of American Pathologists and American Society of Clinical Pathologists.
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