Dr. Rengin Elsurer-Afsar specializes in nephrology, focusing on the care of kidney health and kidney-related conditions. Dr. Elsurer-Afsar sees patients age 18 and older and provides care to patients throughout the St. Louis metropolitan area.

Dr. Elsurer-Afsar treats a wide range of kidney-related conditions, including chronic kidney disease, polycystic kidney disease, high blood pressure, and genetic kidney disorders. She also cares for patients who require dialysis, offering both hemodialysis and peritoneal dialysis. As part of her practice, Dr. Elsurer-Afsar uses genetic testing to help identify the underlying causes of chronic kidney disease when the cause is unclear, allowing for more personalized care. She also places strong emphasis on nutrition in chronic kidney disease, recognizing the important role diet plays in overall health and disease management.

Dr. Elsurer-Afsar is committed to providing patient-centered care grounded in respect, empathy, and medical expertise. Her goal is to support patients throughout their healthcare journey while fostering an environment that values continuous learning and medical innovation.

Dr. Elsurer-Afsar is a well-recognized researcher in nephrology and her research interests include malnutrition and inflammation in chronic kidney disease, genetic causes of kidney disease, and APOL1-mediated kidney disease.

Dr. Elsurer-Afsar is an assistant professor in the Department of Internal Medicine, Division of Nephrology, at Saint Louis University School of Medicine. She is a member of the American Society of Nephrology, the National Kidney Foundation, and the Turkish Society of Nephrology.

Outside of medicine, Dr. Elsurer-Afsar is a nature lover who enjoys gardening and traveling and is fascinated by how nature renews itself. She speaks Turkish fluently and has beginner-level proficiency in German.