Nancy K. Koster, M.D.   Assistant Professor of Medicine   Assistant Director of the Cardiovascular Fellowship Program          Dr. Koster received her medical degree from Creighton University School of Medicine in 1999.  She completed her Internal Medicine residency program at Creighton University Medical Center, during which time she served as a Chief Resident from 2002 to 2003.  Dr. Koster completed her Cardiology fellowship program at Creighton University Medical Center in 2006.  She is board certified with the American Board of Internal Medicine.  Dr. Koster has a full-time faculty appointment as an Assistant Professor in the Department of Medicine.