New York University School of Medicine MD (1976)
Residency, Internal Medicine, Bellevue Hospital Center (1976-1979)
Fellowship, Nephrology, Hospital University Pennsylvania (1979-1982)
Assistant Professor of Medicine, Renal Electrolyte Division, University of Pennsylvania (1982-1983)
Assistant Professor of Medicine, Renal Division, George Washington University (1983-1988)
Associate Professor of Medicine, Division of Renal Diseases and Hypertension, George Washington University (1988-1992)
Professor of Medicine, Division of Renal Diseases and Hypertension, George Washington University (1992-Present)
Director, Diabetic Nephropathy Program, DKUH, NIDDK, NIH (1998-2001)
Director, Division of Renal Diseases and Hypertension, George Washington University (2001-2006)
American Board of Internal Medicine, Internal Medicine and Nephrology