With almost two decades of scientific and research experience, Dr. Hirschfeld has studied cancer from its molecular components to how cancer grows all the way on through the effects of novel combinations of cancer drugs on various cancers, particularly colon and breast cancer.

Dr. Hirschfeld received his B.S. from Yeshiva University and his M.D. from Albert Einstein College of Medicine. He has extensive research experience at New York Medical College, Montefiore Medical Center, Albert Einstein College of Medicine and the University of Maryland Medical Center and was appointed a Fellowship at the University of Maryland Medical Center Greenebaum Cancer Center. Dr. Hirschfeld is Board-certified by the American Board of internal medicine in medical oncology, hematology and internal medicine.