Dr. Sameer Siddiqui treats all aspects of urology, including stone disease, incontinence, laser surgery for enlarged prostate, erectile dysfunction, blood in the urine, and elevated PSA. His fields of expertise are prostate cancer, bladder cancer, kidney cancer, and kidney reconstruction, subjects in which he has published extensively. Dr. Siddiqui is fellowship trained in robotic surgery, having completed over 1000 robotic cases.

Dr. Siddiqui is one of the first surgeons in the Midwest to introduce a novel treatment option for prostate cancer called transurethral ablation of the prostate (TULSA - PRO). Saint Louis University Hospital is one of only a few hospitals in the region offering this procedure.

Dr. Siddiqui is professor and chair of the Department of Surgery, at Saint Louis University School of Medicine. He was previously division chief of urology from 2013 to 2020.