Dr. Tomas Berl has practiced nephrology at the University of Colorado
since 1973. He is well known for his work in electrolyte distrubances,
heart kidney interaction and diabetic nephropathy. He is board certified
in Internal Medicine and Nephrology. He is a well respected physician
and past president of the American Society of Nephrology (ASN).

Dr. Isaac Teitelbaum has practiced academic nephrology
for over 20 years and is well known for his work on peritoneal and
home dialysis. A well respected clinician, he has been voted by
5280 Magazine as one of Denver's "top docs". He is board
certified in Nephrology and Internal Medicine.

Dr. Michel Chonchol is Associate Medical Director
of the Chronic Hemodialysis Program at UCD. He earned his medical
degree at the Unviersidad Central de Venezuela in Caracas, Venezuela.
he completed an internship and a residency in Internal Medicine
at the University of Texas Health Science Center in Houston, as
well as a clincal and research fellowshilp in Nephrology at UCD.
He is board certfiied in Internal Medicine and Nephrology and a
member of numerous societies. His research and clinical interests
include cardiovasular disease and abnormalities of mineral metabolism
in chronic kidney disease patients.