Mary Haddadin, MD


Dr. Haddadin joined CSI laboratories in 2022 as a senior cytogenetic director. Prior to joining CSI, Dr. Haddadin served as an assistant professor of clinical pathology and laboratory medicine/clinical cytogenetics at Weill Cornell Medicine (WCM) NY.

Dr. Haddadin completed her medical training at the Medical Academy in Sofia Bulgaria in 1984 and advanced training in medical and clinical genetics from the University of London in 1989. She did a post-doctoral research fellowship in molecular pathology at Johns Hopkins University, followed by a post-doctoral fellowship in clinical cytogenetics at the Mount Sinai School of medicine. She is very well trained and boarded by the American Board of Medical Genetics and Genomics.

Dr. Haddadin has published six research papers on the cytogenetics of malignant tumors. She has also worked in the area of cytogenetic characterization of pancreatic cancers. While at Quest Diagnostics she was interested in complex constitutional chromosome abnormalities and presented posters on this subject at national scientific meetings. Dr. Haddadin is also considered an expert in the study of cytogenetic abnormalities involving hematological malignancies involving the blood and bone marrow.

  • Fellowship in Clinical Cytogenetics, Mount Sinai School of Medicine
  • Post-doctoral research fellowship in Molecular Pathology, John’s Hopkins University
  • Institute of Neurology & Genetics P/T research consultant in study on Neuronal Migration Disorders & Microcephaly in Jordanian Children, Harvard University
  • Diploma in Human & Clinical Genetics, The London School of Hygiene and Tropical Medicine
  • Medical Degree, The Medical Academy, Sofia, Bulgaria

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