Dr. Gregory J. Gagnon

Dr. Kleinberg specializes in the radiation treatments, including stereotactic radiosurgery, of brain and spinal tumors. Areas of research include both tumors arising in the central nervous system and tumors metastasizing from other locations. He also specializes in the treatment of esophageal tumors and has led national clinical trials in both therapy of brain tumors as well as esophageal cancer. Dr. Kleinberg has been recently named in the US News and World Report list of top 1% of doctors in his specialty. He is the co-chair of the Eastern Cooperative Oncology Group Brain Tumor Working Group, Vice-Chair of the NCI Cooperative Group Steering Committee for Esophageal and Gastric Tumors, and is a member of the NCI Cooperative Group Steering Committee for Gastrointestinal Tumors. He is also on the American College of Radiation Oncology Neurologic Cancer Practice Accreditation Team. Make A Gift. Dr. Kleinberg is rated as an Elite provider by MediFind in the treatment of Gliosarcoma. His top areas of expertise are Glioblastoma, Astrocytoma, Brain Tumor, Hepato-Pancreato-Biliary Surgery, and Gamma Knife Radiosurgery.

Mark Mishra is a Radiation Oncologist in Baltimore, Maryland. Dr. Mishra is rated as a Distinguished provider by MediFind in the treatment of Gliosarcoma. His top areas of expertise are Metastatic Brain Tumor, Astrocytoma, Brain Tumor, Meningioma, and Prostatectomy. Dr. Mishra is currently accepting new patients.

Victoria J. Croog, M.D., Department of Radiation Oncology at the Johns Hopkins Kimmel Cancer Center at Sibley Memorial Hospital, as well as a clinical associate in the Department of Radiation Oncology at The Johns Hopkins Hospital. Dr. Croog has expertise in breast cancer, gastrointestinal cancer, gynecologic cancer, brain cancer and tumors of the central nervous system. Dr. Croog earned her medical degree from Harvard Medical School. She completed an internship and a residency in radiation oncology at Memorial Sloan-Kettering Cancer Center. Dr. Croog is involved with several committees at Sibley Memorial Hospital, including the Medical Executive Committee, the IRB/Research Review Committee, the Cancer Committee and the Radiation Safety Committee. She is also a member of the American Society of Clinical Oncology and the American Society of Radiation Oncology. Dr. Croog has been repeatedly named a Top Doctor by Washingtonian Magazine. Dr. Croog has been published in numerous peer-reviewed journals and has presented research at various conferences, such as the American Society of Clinical Oncology’s annual meeting. Make A Gift LinkedIn https://www.linkedin.com/in/victoria-croog-88a31759. Dr. Croog is rated as a Distinguished provider by MediFind in the treatment of Gliosarcoma. Her top areas of expertise are Gliosarcoma, Astrocytoma, Posterior Fossa Tumor, and Endometrial Cancer.