Frederick S. Fleszler, M.D. graduated from Universidad Central de Venezuela - Caracas, Venezuela. He completed his Internal Medicine Residency and two year Fellowship in Nephrology at Albert Einstein Medical Center in Philadelphia. Fleszler is an Assistant Professor of Medicine for Morsani College of Medicine, University of South Florida. Fleszler joined Valley Kidney Specialists, PC in 2007 and is certified by the American Board of Internal Medicine in Internal Medicine and the sub specialty of Nephrology.