Donna L. Kessinger, M.D. Diagnostic Radiology Long Island Division Book Appointment Book Now Residency: Diagnostic Radiology, Nassau University Medical Center, East Meadow NY Medical School: Stony Brook University Health Sciences Center, Stony Brook NY Meet our professionals Joseph Abrams, M.D. Body Imaging General Radiology Long Island Division PET Alan Jay Boykin, M.D. Long Island Division Vascular and Interventional Radiology Shu-Ho Shaun Chang, M.D. Long Island Division Vascular and Interventional Radiology Kenneth Scott Crystal, M.D. Diagnostic Radiology Interventional Radiology Long Island Division