1. Department of Medicine
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Dr. Barbara T. Murphy Division of Nephrology

From disease pathogenesis to prevention and treatment, the Barbara T. Murphy Division of Nephrology at the Icahn School of Medicine at Mount Sinai is dedicated to advancing understanding and care of kidney disease. The division provides robust training opportunities in both clinical nephrology and research, supported by nearly 80 full-time, part-time, and voluntary faculty members.

Our faculty are nationally and internationally recognized for their contributions to fields including renal development, polycystic kidney disease, HIV-associated nephropathy, diabetic and hypertensive kidney disease, gene therapy, transplantation, and both peritoneal and hemodialysis. This breadth of expertise creates an unparalleled environment for developing the skills required to become a leader in clinical nephrology and biomedical research.

With more than 25 fellows in training and over $10 million in active research funding supported by organizations such as the National Institutes of Health, Department of Defense, Department of Veteran Administration, and the National Kidney Foundation, our division sustains a vibrant research portfolio spanning basic, translational, and clinical science. These efforts share a common goal: to deepen understanding of the molecular mechanisms of kidney disease and to pioneer new therapeutic approaches.

As an integral part of the Mount Sinai Health System, the Division of Nephrology plays a central role in delivering kidney care across New York City and beyond. Our network includes nine outpatient dialysis units serving more than 1,000 patients, with continued expansion throughout the tri-state area to make high-quality dialysis and nephrology care more accessible to all.

APOLLO National Observational Study

APOLLO is a national observational study aimed at improving patient outcomes after kidney donation and transplantation. The APOLLO study tests kidney donors and kidney transplant recipients for variants of the apolipoprotein L1 gene, called APOL1, to determine whether these variants impact outcomes. Coordinated by the Wake Forest School of Medicine, the APOLLO study has 13 network hubs that collaborate with transplant programs throughout the United States and Puerto Rico. Mount Sinai Health System is one of these 13 network hubs.

Scholars Portal

The Icahn School of Medicine Scholars Portal is a research information management tool for tracking research metrics and impact. The Scholars Portal highlights research output, people, projects and grants, research units (departments, institutions, centers), datasets, and research-related activities, including for the Division of Nephrology. Please visit our Scholars Portal for more details. 

Meet the Chief

Our Leadership

John Cijiang He, MD, PhD
John Cijiang He, MD, PhD

Chief, Division of Nephrology

Ira S Meisels, MD
Ira S Meisels, MD

Chief, Division of Nephrology, Mount Sinai Morningside and Mount Sinai West

Chiarra M Ornillo, MD
Chiarra M Ornillo, MD

Chief, Division of Nephrology and Hypertension, Mount Sinai Downtown

Joji Tokita, MD
Joji Tokita, MD

Clinical Director, Division of Nephrology, Mount Sinai Health System

Samira Farouk, MD
Samira Farouk, MD

Program Director, Nephrology Fellowship, The Mount Sinai Hospital

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