David Prescott Tietjen, M.D., F.A.C.P. graduated from Duke University in 1976 and completed his medical degree at the University of Maryland School of Medicine in Baltimore in 1981. He completed his internship in Internal Medicine at Tripler Army Medical Center in Hawaii in 1982 and his residency at Brooke Army Medical Center in Texas in 1984. He received his fellowship in Nephrology from Walter Reed Army Medical Center in Washington, D. C. in 1987. Dr. Tietjen is board certified in Internal Medicine by the American Board of Internal Medicine, the National Board of Medical Examiners and the American Board of Internal Medicine subspecialty of Nephrology. He is a member of the International Society of Nephrology, The National Kidney Foundation, the American Society of Nephrology, and is a Fellow of the American College of Physicians. Dr. Tietjen enjoys spending time with his family and is and avid birder.