Dr. Arielle H. Katcher

Margaret Von-Mehren is an Oncologist and a Transplant Surgeon in Philadelphia, Pennsylvania. Dr. Von-Mehren is rated as a Distinguished provider by MediFind in the treatment of Adult Soft Tissue Sarcoma. Her top areas of expertise are Gastrointestinal Stromal Tumor, Undifferentiated Pleomorphic Sarcoma, Mesenchymoma, and Retroperitoneal Liposarcoma.

Dr. Meyer will serve as the lead medical oncologist for adult sarcoma patients, and will focus on building the Adult Sarcoma and Connective Tissue Oncology Program. In collaboration with pediatric oncologist David Loeb, M.D., Ph.D., and orthopaedic surgeon Kristy Weber, M.D., Meyer will bring novel therapies to the clinic for sarcoma patients. Meyer received his bachelors and masters degrees in cell and molecular biology from Stanford University. From there, he joined the Medical Scientist Training Program at Baylor College of Medicine and earned his medical degree followed by a doctorate in immunology. Meyer completed his residency at the University of Maryland and served as chief resident in medicine from 2004-2005. Afterward, he joined our fellowship program in medical oncology and has been working in the laboratory of Jonathan Powell, M.D., Ph.D., on projects relating to the characterization of molecular regulatory pathways involved in T-cell activation and energy. As a third-year fellow, Meyer served as the chief fellow for our Training Programs in Hematology and Medical Oncology and he received a Young Investigator Award from the American Society of Clinical Oncology in 2010. Dr. Meyer is rated as a Distinguished provider by MediFind in the treatment of Adult Soft Tissue Sarcoma. His top areas of expertise are Mesenchymoma, Undifferentiated Pleomorphic Sarcoma, Bone Tumor, and Ganglioneuroblastoma.

Lee Hartner is a Hematologist and an Oncologist in Radnor, Pennsylvania. Dr. Hartner is rated as a Distinguished provider by MediFind in the treatment of Adult Soft Tissue Sarcoma. His top areas of expertise are Adult Soft Tissue Sarcoma, Retroperitoneal Liposarcoma, Liposarcoma, Gastrostomy, and Endoscopy. Dr. Hartner is currently accepting new patients.