Geraldine O. Mercer, MD

Mercer, Geraldine O., MD


Laboratory; Cancer Services

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Biology, Iona College, New Rochelle, NY


Medical Microbiology, Long Island University, Brooklyn, NY


Walter F. Grupe Scholar, University of Medicine and Dentistry of New Jersey-New Jersey Medical School, Newark, NJ


Anatomic and Clinical Pathology, Chief Resident, New York Hospital, NYC


Cytopathology, Memorial Sloan-Kettering Cancer Center, NYC

Board Certifications:

Cytopathology, American Board of Pathology; Anatomic Pathology, Clinical Pathology, and Cytopathology, American Board of Pathology

Affiliations, Associations, and Partnerships:

Overlook Medical Center

In addition to her position at Summit Medical Group, Geraldine O. Mercer, MD, is Attending Pathologist at Morristown Memorial Medical Center in Morristown, New Jersey. Her expertise includes cytopathology and gastrointestinal pathology.

Before her position at Morristown Memorial Medical Center, 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.

Dr. Mercer has been featured in the New Jersey Monthly "Top Doctors" listings.