Locations Maimonides Doctors Multispecialty Pavilion4813 9th Ave. Brooklyn, NY 11220 (718) 265-6688 Get Directions About Me Dr. Sheldon Greenberg is the Director of Nephrology and a physician in the Department of Medicine, Nephrology Division, at Maimonides Medical Center in Brooklyn, NY Areas of Expertise Nephrology Conditions Treated Chronic Kidney Disease Acute Renal Failure Electrolyte Disorders Proteinuria Treatments Kidney Stone Prevention Hemodialysis Peritoneal Dialysis Education Medical Degree Albert Einstein College of Medicine Residency Brookdale University Hospital and Medical Center Fellowship Brookdale University Hospital and Medical Center Board Nephrology, Internal Medicine Insurance Aetna Affinity Health Plan CenterLight Centers Plan Cigna ElderPlan EmblemHealth Empire Blue Cross Blue Shield Empire Plan (United Healthcare) Fidelis HealthFirst Hotel Trades Local 1199 MagnaCare Medicaid Medicare MetroPlus MultiPlan Oxford RiverSpring Health Plans Tricare United Healthcare VillageCare Max VNS Choice Wellcare WTC Health Program