Dr. Greenstein joined Balboa Nephrology Medical Group in 2016. He practices in the Escondido and Poway area; specializing in kidney diseases which includes hemodialysis patients at both FMC and DaVita Dialysis units.
Dr. Greenstein attended medical school at the University of California Los Angeles where he obtained his Doctor of Medicine degree and completed residency. He completed his Nephrology fellowship training at the Stanford University School of Medicine.
When not working, Dr. Greenstein likes to read, walk his dog, search for his cat who likes to hide in the remotest parts of the house, and go to the beach with his two daughters, son and wife.