Contrast Nephropathy Expert Witnesses

Fremont, California

Nephrology - dialysis, hyperkalemia, hyponatremia, osmotic demyelination, glomerulonephritis, acute kidney injury, chronic kidney disease, hypertension, end stage renal disease, hemodialysis, peritoneal dialysis, nephrotic syndrome, proteinuria, diabetic nephropathy, rhabdomyolysis, contrast nephropathy

A Harvard-educated physician, Varun Chawla, MD, MPH, has over a decade of caring for adult patients with kidney disease. Renowned for his adeptness in diagnosing and treating intricate kidney conditions, Dr. Chawla's dual roles at Washington Hospital and St. Rose Hospital, along with his long history of research and publications, showcase his exceptional clinical insight and his deep-seated dedication to both patient care and medical education. His clinical interests include a wide spectrum of nephrology-related issues including diabetic nephropathy, continuous renal replacement therapy, dialysis, plasmapheresis, renal bone disease, and difficult-to-treat hypertension. He actively conducts clinical research. Dr. Chawla is renowned for his research-based teaching and the ability to distill complex medical concepts into clear explanations. An active member of the American Society of Nephrology, Dr. Chawla is known as an esteemed educator and speaker. His academic contributions, parti...

St. Louis , Missouri

Nephrology, Internal Medicine - Hypertension, Hemodialysis, Plasmapheresis, Glomerular Disease, Kidney Stones, Hyponatremia, Hyperkalemia, Kidney Transplant, Polycystic Kidney Disease, Acute Kidney Failure, Chronic Kidney Disease, Peritoneal Dialysis, Osmotic Demyelination Syndrome, Rhabdomyolysis, Contrast Nephropathy

Dr. Larson completed his Internal Medicine training at the University of Chicago. He was awarded “Resident of the Year” for three consecutive years, followed by a Chief Resident year at the same institution, in which he was granted an academic position at the University of Chicago as a clinician educator. He completed his fellowship training in Nephrology at Washington University in St. Louis. Currently, Dr. Larson is a full-time practicing nephrologist. He is owner/partner at St. Louis Kidney Consultants and Chief of Nephrology at Missouri Baptist Medical Center. He also is the Medical Director for Renal and Dialysis Services at Missouri Baptist Medical Center and the Medical Director for two Davita Dialysis Units in the St. Louis area. In 2025, he was elected President of the Medical Staff at Missouri Baptist Medical Center. In addition, he is the Medical Director for Community Therapeutic Apheresis (CTA) which supplies Plasmapheresis services in St. Louis. Dr. Larson has pu...