Dr. John K. Waas

Shirley Ong, MD, specializes in hematology oncology and is board-certified in neurology by the American Board of Psychiatry and Neurology. She practices at UPMC Hillman Cancer Center and is affiliated with UPMC Shadyside and UPMC Presbyterian. Dr. Ong received her medical degree from the University of the East Ramon Magsaysay Memorial Medical Center and completed her residency at Saint Louis University School of Medicine, followed by a fellowship at the University of Texas MD Anderson Cancer Center. Dr. Ong is rated as a Distinguished provider by MediFind in the treatment of Primitive Neuroectodermal Tumor (PNET). Her top areas of expertise are Glioblastoma, Astrocytoma, Glioma, and Brain Tumor.

Roby A. Thomas, MD, is a medical oncologist and hematologist at UPMC Hillman Cancer Center. Dr. Thomas is trained in the management of all cancers and blood disorders with a focus in genitourinary and gastrointestinal malignancies. Dr. Thomas is rated as an Advanced provider by MediFind in the treatment of Primitive Neuroectodermal Tumor (PNET). His top areas of expertise are Prostate Cancer, Pancreatic Cancer, Familial Pancreatic Cancer, Gamma Knife Radiosurgery, and Endoscopy.

Vikram C. Gorantla, MD, specializes in the treatment of sarcoma, breast cancer, gastrointestinal malignancies, and head and neck cancers. Board-certified in internal medicine and medical oncology, he received his medical degree at the University of Texas Southwestern Medical School in Dallas. He completed his internal medicine residency at Washington University, St. Louis, MO, and his hematology/oncology fellowship at UPMC.Dr. Gorantla has a dedicated day seeing breast cancer patients at the Magee-Womens Cancer Progam. He also collaborates with surgical oncologists and gynecologists/oncologists to provide multidisciplinary care to patients. Dr. Gorantla is rated as a Distinguished provider by MediFind in the treatment of Primitive Neuroectodermal Tumor (PNET). His top areas of expertise are Breast Cancer, Pancreatic Cancer, Familial Pancreatic Cancer, Gamma Knife Radiosurgery, and Endoscopy.