Dr. Mark Ball is an attending surgeon in the Urologic Oncology Branch of the National Cancer Institute and Associate Program Director of the Urologic Oncology Fellowship Program. 

He is the highest volume robotic kidney surgeon in the metropolitan Washington D.C. area and an internationally recognized expert in kidney cancer. He specializes in the surgical treatment of kidney and adrenal tumors and performs robotic, laparoscopic and open surgery. He has particular expertise in robotic partial nephrectomy and robotic partial adrenalectomy for hereditary kidney cancer syndromes and has removed over 1,000 kidney tumors during partial nephrectomy procedures. He is experienced in reoperative surgery in patients with a history of prior surgeries and in patients with multiple tumors. He has authored over 150 manuscripts and book chapters and regularly presents at national and international conferences.