Dr. Sigurdur R. Petursson

Bishoy A. Gayed, MD, is an assistant professor of urology at the University of Pittsburgh School of Medicine. He received his medical degree from the University of Missouri Kansas City. Dr. Gayed completed his residency in urology at UPMC and a fellowship in urologic oncology at the University of Texas Southwestern Medical Center. He specializes in urology, urologic oncology, urologic surgery, and the management of tumors of the kidney, bladder, prostate, ureteral, testicular, penile, and adrenal cancers. Dr. Gayed is rated as a Distinguished provider by MediFind in the treatment of Urothelial Cancer. His top areas of expertise are Urothelial Cancer, Upper Tract Urothelial Carcinoma (UTUC), Hydronephrosis, Nephrectomy, and Ureteroscopy.

Leonard Appleman is a Hematologist Oncology specialist and an Oncologist in Pittsburgh, Pennsylvania. Dr. Appleman is rated as a Distinguished provider by MediFind in the treatment of Urothelial Cancer. His top areas of expertise are Renal Cell Carcinoma (RCC), Prostate Cancer, Familial Prostate Cancer, and Chromophobe Renal Cell Carcinoma.

Antoine Chahine is a Hematologist Oncology specialist and an Oncologist in Canfield, Ohio. Dr. Chahine is rated as a Distinguished provider by MediFind in the treatment of Urothelial Cancer. His top areas of expertise are Familial Colorectal Cancer, Paget Disease of the Breast, Colorectal Cancer, and Inflammatory Breast Cancer. Dr. Chahine is currently accepting new patients.