Dr. Greenberg attended Mount Sinai School of Medicine and subsequently trained at a hospital affiliated with Tulane University for residency. Clinical interests for Dr. Greenberg include retina problems (vitreoretinal diseases). He takes Coventry, First Health, and Cigna, in addition to other insurance carriers. He has received the distinction of Phi Beta Kappa Alpha Omega Alpha. Dr. Greenberg (or staff) speaks the following foreign languages: Spanish, French, and Portuguese. He is professionally affiliated with Rhode Island Hospital (RIH) and Providence VA Medical Center. His practice is open to new patients.