Dr. William A. Ferri

John K. Waas, DO, is a medical oncologist at UPMC Hillman Cancer Center who practices at Arnold Palmer Medical Oncology at Norwin. Board-certified in medical oncology, Dr. Waas received his medical degree from Philadelphia College of Osteopathic Medicine in Philadelphia. He completed his residency at Lehigh Valley Hospital Center in Allentown, Pa. Dr. Waas is rated as a Distinguished provider by MediFind in the treatment of Congenital Antithrombin 3 Deficiency. His top areas of expertise are Protein C Deficiency, Protein S Deficiency, Congenital Antithrombin 3 Deficiency, and Hereditary Resistance to Anti-Vitamin K.

Alexander Barsouk is a Hematologist Oncology specialist and a Hematologist in Clarion, Pennsylvania. Dr. Barsouk is rated as a Distinguished provider by MediFind in the treatment of Congenital Antithrombin 3 Deficiency. His top areas of expertise are Childhood Iron Deficiency Anemia, Familial Colorectal Cancer, Gastroesophageal Junction Cancer, and Colorectal Cancer.

Dr. Rahman is a clinical assistant professor in the Department of Medicine at the University of Pittsburgh School of Medicine. He joined UPMC Hillman Cancer Center in the year 2000. Dr. Rahman is rated as a Distinguished provider by MediFind in the treatment of Congenital Antithrombin 3 Deficiency. His top areas of expertise are Lung Adenocarcinoma, Small Cell Lung Cancer (SCLC), Paget Disease of the Breast, Bone Marrow Aspiration, and Endoscopy.