Dr. Arnold A. Sarazen

Brian Eisner is a Urologist practicing medicine in Newton Lower Falls, Massachusetts. Dr. Eisner is highly rated in 24 conditions, according to our data. His clinical expertise encompasses Kidney Stones, Urinary Tract Infection (UTI), Obstructive Uropathy, Ureteroscopy, and Lithotripsy. Dr. Eisner is currently accepting new patients.

John Heffernan is a Urologist practicing medicine in Newport, Rhode Island. Dr. Heffernan is highly rated in 46 conditions, according to our data. His clinical expertise encompasses Hydronephrosis, UPJ Obstruction, Obstructive Uropathy, Ureteroscopy, and Nephrectomy.

Dr. Mark A. Preston is a urologic surgeon at Brigham and Women’s Hospital and Associate Professor of Surgery at Harvard Medical School. Dr. Preston received his Medical Degree from the University of Ottawa in Canada, where he also completed his residency training in Urology. He completed a three-year accredited fellowship in Urologic Oncology at Massachusetts General Hospital including a Masters of Public Health from the Harvard School of Public Health with a concentration in clinical effectiveness. He is board certified in Urology.Dr. Preston’s clinical interests include urologic oncology (bladder, kidney, prostate and testicular cancer) and minimally invasive surgery. Dr. Preston’s research focuses on the epidemiology of prostate and kidney cancer risk with an emphasis on predictive biomarkers and pharmacoepidemiology. Dr. Preston is highly rated in 19 conditions, according to our data. His clinical expertise encompasses Bladder Cancer, Muscle Invasive Bladder Cancer, Prostate Cancer, Cystectomy, and Prostatectomy. Dr. Preston is board certified in Urology. Dr. Preston is currently accepting new patients.