Dr. Michael D. Voloshin

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 Atypical Teratoid Rhabdoid Tumor (ATRT). Her top areas of expertise are Glioblastoma, Astrocytoma, Glioma, and Brain Tumor.

Hazem Elkassas is a Hematologist Oncology specialist and a Hematologist in Du Bois, Pennsylvania. Dr. Elkassas is rated as a Distinguished provider by MediFind in the treatment of Atypical Teratoid Rhabdoid Tumor (ATRT). His top areas of expertise are Paget Disease of the Breast, Familial Colorectal Cancer, Myelodysplastic Syndrome (MDS), and Colorectal Cancer.

Mark Keating, MD, is a medical oncologist specializing in tumors and diseases of the blood. He has a particular expertise in the diagnosis and treatment of gastrointestinal, kidney, bladder, breast, lung, head and neck, and prostate cancers, as well as chronic leukemia, lymphoma, brain tumors, and benign hematologic disorders. Dr. Keating is rated as a Distinguished provider by MediFind in the treatment of Atypical Teratoid Rhabdoid Tumor (ATRT). His top areas of expertise are Monoclonal Gammopathy of Undetermined Significance (MGUS), Schnitzler Syndrome, Paget Disease of the Breast, and Non-Hodgkin Lymphoma.