ABOUT US
Our Qualifications Ensure Quality Care
The VillageHealth Medical Management team has a wealth of renal disease management experience and expertise.Medical Management Team:
- Allen R. Nissenson, MD, FACP – Chief Medical Officer, DaVita
- James Katsikas, MD – Regional Medical Director
- William D. Mattern, MD – Regional Medical Director
Allen R. Nissenson, MD, FACP
Chief Medical Officer, DaVitaChair, Medical Advisory Board, VillageHealth Disease Management
Associate Dean
Director, Dialysis Program
David Geffen School of Medicine, UCLA
Dr. Nissenson is a professor of medicine and director of the dialysis program at the David Geffen School of Medicine at the University of California at Los Angeles, where he has developed a comprehensive program for dialysis administration, patient care, teaching, and research. His research as president-elect of the Southern California End-Stage Renal Disease Network has included extensive clinical trials of new devices and drugs related to renal disease. Dr. Nissenson is also the co-principal investigator on a recently obtained NIH Center grant looking at issues of disparities in healthcare delivery for patients with CKD, direct¬ing health outcomes and public policy initiatives.
Dr. Nissenson has authored dialysis textbooks and more than 340 publications in the fields of nephrology, dialysis, anemia management, and health care delivery and policy. He was also the founding editor-in-chief of Advances in Renal Replacement Therapy, a journal of the National Kidney Foundation, and is currently editor-in-chief of Hemodialysis International, the journal of the International Society for Hemodialysis. He developed and chairs an annual second-year nephrology fellows preceptorship program serving more than 65 fellows.
Back to Top
James Katsikas, MD
Regional Medical DirectorClinical Associate Professor of Medicine, University of Miami School of Medicine
Past President, Florida Society of Nephrology
Dr. Katsikas serves as a Regional Medical Director and is a member of the VillageHealth Disease Management Medical Advisory Board. In this capacity, Dr. Katsikas is responsible for leading the regional Quality Care Committees and overseeing the VillageHealth Disease Management medical management process throughout the state of Florida.
Dr. Katsikas has more than 30 years of experience as a practicing nephrologist in both hospital and freestanding unit environments, and currently serves as clinical associate professor of medicine at the University Of Miami School Of Medicine.
Dr. Katsikas has held numerous positions in nephrology-related organizations. These include his roles as president of the Florida Society of Nephrology; chairman of the NKF Dade County Medical Advisory Committee; and Executive Committee member of ESRD Network 7.
Back to Top
William D. Mattern, MD
Regional Medical DirectorEmeritus Professor Medicine, University of North Carolina School of Medicine Chairman of the Board, North Carolina Healthcare Information and Communications Alliance Past President, American Kidney Fund
Dr. Mattern is both a Regional Medical Director and member of the Medical Advisory Board of VillageHealth Disease Management. In these capacities, he is responsible for directing Quality Care Committee activities and overseeing the VillageHealth Disease Management medical management process in North Carolina. He also consults on the clinical development of the VillageHealth Disease Management care management information system.
Dr. Mattern is an emeritus professor of medicine at the UNC School of Medicine in Chapel Hill, North Carolina. He has held a number of appointments at UNC including associate chairman of the Department of Medicine, senior associate dean for Academic Affairs at the Medical School, and medical director for the UNC Hospitals Dialysis Program.
Dr. Mattern is widely published in clinical nephrology, medical education, and the use of computers in nephrology. He is past president, and current chairman of the board of directors of the North Carolina Healthcare Information and Communications Alliance, and past president and an emeritus member of the board of directors of the American Kidney Fund. He is also past chair of the Informatics Committee of the Renal Physicians Association and of the steering committee for the "Vision" software project for dialysis units sponsored by CMS.
Back to Top
