Ayman Elfar, MD

Dr. Seth Kay is a fellowship trained Thyroid & Parathyroid surgeon and this is the sole focus of his practice. He is dedicated to delivering the highest quality care and uses the most up-to-date evidenced-based medicine to provide tailored surgical plans for the individual patient. He has 8+ years of experience and has performed 1,800+ Thyroid and Parathyroid surgeries in his career. He performs routine, complex, and revision surgeries for both benign and malignant disease processes.

Nephrology Associates of Northern Illinois and Indiana is a leading provider of high-quality kidney care, offering a wide range of treatments and patient support through their extensive physician network and affiliate facilities. With over 140 providers delivering comprehensive care, NANI is committed to transforming the lives of individuals living with kidney disease by providing expert care, advanced treatment options, and personalized support to improve clinical outcomes. Generated from the website

Robert S. Nierzwicki, MD is a cardiologist at Northwestern Medicine Central DuPage Hospital. Dr. Nierzwicki is board certified in internal medicine, cardiovascular diseases, echocardiography, nuclear cardiology and vascular imaging. He has a personal interest in the effects of lifestyle modifications such as diet, exercise and meditation in the prevention and treatment of cardiovascular diseases.