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| Appointments | | 1970 | Clinical Instructor of Medicine, George Washington University Hospital, Washington, DC | | 1974 | Instructor of Medicine, Georgetown University Hospital, Washington, DC | | 1975 | Assistant Professor of Medicine (Cardiology), Georgetown University Hospital, Washington, DC | | 1976 | Assistant Professor of Medicine and Pharmacology, Georgetown University Hospital, Washington, DC | | 1980 | Associate Professor of Medicine and Pharmacology, Georgetown University Hospital, Washington, DC (Tenured) | | 1991 | Professor of Medicine, Georgetown University Hospital, Washington, DC (Tenured) | | 2000 | Professor of Medicine, Medstar Georgetown University Hospital, Washington, DC | | 1974 | American Board of Internal Medicine | | 1975 | American Board of Internal Medicine, Subspecialty of Cardiovascular Diseases | | 2000 | American Board of Internal Medicine, Subspecialty of Interventional Cardiology | |
