He specializes in breast cancer imaging, including stereotactic breast biopsy, breast ultrasound, and digital mammography.Dr. Eisner earned his M.D. from Howard University College of Medicine. He completed his residency at UCLA Harbor Medical Center in radiology/diagnostic radiology and performed a fellowship in MRI and mammography at UCLA Harbor Medical Center in Torrance, CA. Dr. Eisner joined the Johns Hopkins faculty in 2003.