Sumit Mohan, MD

Dr. Sean Kalloo is an Associate Professor of Medicine (in Radiology) at Columbia University Irving Medical Center (CUIMC) and a leading expert in interventional nephrology and home dialysis. He earned his medical degree from SUNY Downstate College of Medicine and subsequently went on to complete his residency in internal medicine at North Shore University Hospital. He then pursued fellowship training in nephrology at New York-Presbyterian/Columbia University Irving Medical Center, followed by an additional year of specialized training in hemodialysis vascular access procedures.Dr. Kalloo is the only interventional nephrologist at CUIMC and serves as the Director of Interventional Nephrology. His expertise extends to outpatient dialysis, where he previously directed home dialysis modalities and now serves as the Director of Outpatient Dialysis Operations. Additionally, he is the Medical Director of the Program for Prevention and Education in Advanced Kidney Disease (PEAK), which focuses on patient education and care coordination for individuals with chronic kidney disease, guiding them toward kidney transplantation.In his role as the Medical Director of the Rogosin Institute at Methodist Home dialysis facility, Dr. Kalloo continues to provide exceptional care to patients with end-stage kidney disease. He remains actively engaged in performing endovascular procedures and collaborates closely with interventional radiology fellows, providing hands-on training in advanced vascular access techniques.A sought-after speaker and educator, Dr. Kalloo has delivered over 100 lectures nationwide on home dialysis and endovascular interventions for patients with kidney disease. His contributions to the field reflect his dedication to improving patient outcomes and advancing interventional nephrology through education, innovation, and compassionate care.

I am involved in numerous clinical protocols investigating new immunosuppressive drugs and/or new combinations of existing medications in renal transplant patients, both newly transplanted patients and those with long-term functioning transplants.

Dr. Katherine Rosenwasser is the Chief of Pediatric Orthopedic Trauma at Columbia University Irving Medical Center (CUIMC) / Morgan Stanley Children's Hospital of New York (MSCHONY). She is an expert in the operative and non-operative treatment of lower extremity deformity and musculoskeletal trauma in pediatric patients – from infants to adolescents. Her practice focuses on caring for children with limb-length discrepancies, clubfoot, congenital deformities, and those requiring complex lower extremity reconstructive surgeries. Dr. Rosenwasser’s advanced training allows her to leverage the latest surgical techniques and non-operative therapies to provide life-altering interventions for young patients. After receiving her medical degree from Columbia University’s Vagelos College of Physicians & Surgeons, Dr. Rosenwasser remained at Columbia University Irving Medical Center and NewYork-Presbyterian where she completed residency training in orthopedic surgery, serving as executive chief resident. Following her residency, Dr. Rosenwasser completed dual fellowships in pediatric orthopedic surgery at the Hospital for Sick Children in Toronto, and pediatric limb lengthening and reconstruction under the direction of Dr. John Herzenberg at the Sinai Hospital’s Ruben Institute for Advanced Orthopedics in Baltimore, Maryland. Dr. Rosenwasser is an active member of the academic orthopedic community, both as a member of numerous national organizations and as an active researcher with a variety of ongoing research projects focused on improving patient outcomes for children who require complex orthopedic care.