About Us Dr. Stephen Rand is an Allergist/Immunologist in Brooklyn, New York and is affiliated with multiple hospitals in the area, including Brookhaven Memorial Hospital Medical Center and Flushing Hospital Medical Center. He received his medical degree from University of Chicago Pritzker School of Medicine and has been in practice for 43 years. He is one of 3 doctors at Brookhaven Memorial Hospital Medical Center and one of 11 at Flushing Hospital Medical Center who specialize in Allergy & Immunology.