Dr. Maricel D. Castaner

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 Tongue Cancer. His top areas of expertise are Paget Disease of the Breast, Familial Colorectal Cancer, Myelodysplastic Syndrome (MDS), and Colorectal Cancer.

Dan P. Zandberg, MD, is an associate professor of medicine and a medical oncologist/hematologist, specializing in the treatment of head and neck and thyroid cancers. He is the Director of the Head and Neck and Thyroid Cancer disease sections for the division of Hematology/Oncology and the Medical Oncology Co-Leader of the UPMC Hillman Head and Neck Cancer Program. He is also the physician lead for the second floor Hillman Cancer Center clinic. His main research focus is in the development of clinical trials with immunotherapy to improve patient outcomes. Recent awards include the 2019 National Cancer Institute (NCI) Cancer Clinical Investigator Team Leadership Award, 2020 Leo Criep, M.D. Excellence in Patient Care Award, and 2020/2021 Castle Connolly Regional Top Doctor. Dr. Zandberg is rated as a Distinguished provider by MediFind in the treatment of Tongue Cancer. His top areas of expertise are Oral Squamous Cell Carcinoma, Small Cell Lung Cancer (SCLC), ALK-Positive Non-Small Cell Lung Cancer, and Squamous Cell Lung Carcinoma.

Larisa Greenberg is an Oncologist and a Hematologist in Kittanning, Pennsylvania. Dr. Greenberg is rated as an Advanced provider by MediFind in the treatment of Tongue Cancer. Her top areas of expertise are Laryngeal Cancer, Angiosarcoma, Inflammatory Breast Cancer, Paget Disease of the Breast, and Endoscopy.