Chetan Bettegowda is the director of the Johns Hopkins Department of Neurosurgery. He offers comprehensive treatments for adult patients with benign and malignant brain tumors, specializing in the treatment of patients with primary brain tumors such as gliomas, meningiomas and pituitary tumors. He performs both open surgery and stereotactic radiosurgery for patients with metastatic tumors to the brain, and also provides stereotactic radiosurgery for other neurological disorders, including spinal tumors, trigeminal neuralgia and skull-base tumors. Dr. Bettegowda is rated as a Distinguished provider by MediFind in the treatment of Primitive Neuroectodermal Tumor (PNET). His top areas of expertise are Trigeminal Neuralgia, Astrocytoma, Glioblastoma, Rhizotomy, and Microvascular Decompression.

Roberto Rey Dios is a Neurosurgery provider in Baltimore, Maryland. Dr. Rey Dios is rated as a Distinguished provider by MediFind in the treatment of Primitive Neuroectodermal Tumor (PNET). His top areas of expertise are Pituitary Tumor, Subdural Hematoma, Primitive Neuroectodermal Tumor (PNET), Balloon Sinuplasty, and Awake Craniotomy.

Dr. William H. Sharfman is an associate professor of oncology and dermatology at the Johns Hopkins University School of Medicine. His areas of clinical expertise include cutaneous oncology, dermatology and immunotherapy. He helped create the well-established Melanoma Program at the Johns Hopkins Kimmel Cancer Center in 1994. Dr. Sharfman serves as the director of cutaneous oncology and clinical co-director for oncology at the Johns Hopkins Melanoma Program. He earned his M.D. from the University of Toledo College of Medicine. He completed his residency at Cleveland Clinic and performed a fellowship in hematology and oncology at Cleveland Clinic. Dr. Sharfman's research interests include novel therapies for high risk and advanced melanoma patients. Dr. Sharfman is rated as an Advanced provider by MediFind in the treatment of Primitive Neuroectodermal Tumor (PNET). His top areas of expertise are Melanoma, Merkel Cell Carcinoma, Eccrine Porocarcinoma, and Familial Pancreatic Cancer.

Dr. Jon Weingart focuses on the surgical treatment of brain tumors including benign and malignant tumors. Dr. Weingart also specializes in spinal disorders, such as cervical and lumbar disc disease, as well as other congenital and developmental abnormalities such as tethered spinal cord, spina bifida and chiari malformation. Dr. Weingart is rated as a Distinguished provider by MediFind in the treatment of Primitive Neuroectodermal Tumor (PNET). His top areas of expertise are Glioblastoma, Astrocytoma, Glioma, Awake Craniotomy, and Osteotomy.

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 a Distinguished provider by MediFind in the treatment of Primitive Neuroectodermal Tumor (PNET). His top areas of expertise are Glioblastoma, Astrocytoma, Brain Tumor, Hepato-Pancreato-Biliary Surgery, and Gamma Knife Radiosurgery.

Dr. Matthias Holdhoff is a medical oncologist and co-director of the Brain Cancer Disease Group at the Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins. He is a professor of oncology, neurology and neurological surgery at Johns Hopkins University School of Medicine. Dr. Holdhoff’s expertise is in primary brain cancers and central nervous system lymphomas. He earned his medical degree from Freie Universität Berlin, received his doctorate degree at Charité University Medicine Berlin. Dr. Holdhoff completed residency training in internal medicine at Johns Hopkins Bayview Medical Center, followed by a fellowship in medical oncology at Johns Hopkins Hospital with research training at the Ludwig Center for Cancer Genetics and Therapeutics (Kinzler-Vogelstein lab). As a clinical investigator in neuro-oncology, his research is focused on novel trials and translational biomarker studies in malignant gliomas and primary central nervous system lymphomas. He has led and contributed to numerous clinical trials, publications and presentations. Dr. Holdhoff serves as the director of the solid tumor inpatient service at the Sidney Kimmel Comprehensive Cancer Center. He is passionately involved in mentoring and teaching of fellows, residents and students. He is the director of the UCNS-certified neuro-oncology fellowship program at Johns Hopkins, and he is a teaching attending physician for the Osler internal medicine residency program. Dr. Holdhoff is rated as a Distinguished provider by MediFind in the treatment of Primitive Neuroectodermal Tumor (PNET). His top areas of expertise are Glioma, Glioblastoma, Astrocytoma, and Brain Tumor.

Henry Brem is a Neurosurgery provider in Baltimore, Maryland. Dr. Brem is rated as a Distinguished provider by MediFind in the treatment of Primitive Neuroectodermal Tumor (PNET). His top areas of expertise are Gliosarcoma, Glioma, Brain Tumor, Endoscopic Transnasal Transsphenoidal Surgery, and Osteotomy.

David Kamson is an Oncologist in Baltimore, Maryland. Dr. Kamson is rated as a Distinguished provider by MediFind in the treatment of Primitive Neuroectodermal Tumor (PNET). His top areas of expertise are Brain Tumor, Glioblastoma, Gliosarcoma, Metastatic Brain Tumor, and Hormone Replacement Therapy (HRT).

William Regine is a Radiation Oncologist in Baltimore, Maryland. Dr. Regine is rated as a Distinguished provider by MediFind in the treatment of Primitive Neuroectodermal Tumor (PNET). His top areas of expertise are Pancreatic Cancer, Adult Soft Tissue Sarcoma, Undifferentiated Pleomorphic Sarcoma, and Anal Cancer.

Carlos Romo, M.D., is a neuro-oncologist in Baltimore, Maryland. Dr. Romo specializes in the diagnosis and treatment of brain tumors, including glioblastoma, astrocytomas, oligodendrogliomas, neurofibromas, and schwannomas among others. Dr. Romo earned his medical degree from the School of Medicine and Health Sciences at Tecnológico de Monterrey in Mexico and completed his Neurology residency at the University of Arkansas for Medical Sciences, where he served as chief resident. He then completed a Neuro-oncology clinical and research fellowship in a joint program between The Johns Hopkins University and the National Institutes of Health. Dr. Romo additionally trained as a clinical pharmacology fellow at The Johns Hopkins University and completed training on clinical cancer research at the University of Texas MD Anderson Cancer Center. In his research, Dr. Romo studies drug pharmacokinetics and the blood-brain barrier, and investigates better ways to reach tumors in the central nervous system. Dr. Romo also studies treatments for patient with neurofibromatosis. In addition to patient care and research, Dr. Romo teaches and mentors medical and undergraduate students to help develop a future generation of neurologists. Dr. Romo is rated as an Experienced provider by MediFind in the treatment of Primitive Neuroectodermal Tumor (PNET). His top areas of expertise are Neurofibromatosis, Neurofibromatosis Type 1 (NF1), Schwannomatosis, and Astrocytoma.

Dr. Armstrong works primarily in the area of women's malignancies, with a particular emphasis on breast cancer, ovarian cancer and other gynecologic malignancies, and the genetics of breast and ovarian cancer. She directs the medical gynecologic oncology clinical service and oversees therapeutic clinical trials in gynecologic cancers. Dr. Armstrong's clinical focus is on the development of new therapeutic approaches to the treatment of breast cancer and gynecologic malignancies. Particular areas of interest are intraperitoneal therapy in ovarian cancer and targeted biologic therapies. Dr. Armstrong also directs the Kimmel Cancer Center's Breast and Ovarian Cancer Screening Service, a genetic counseling service that focuses on identifying patients at risk for cancer and examination of new strategies for cancer screening and prevention. Dr. Armstrong has lectured locally, nationally and internationally. She is active in the Gynecologic Oncology Group, serving on the Medical Oncology, Developmental Therapeutics and Phase I GOG committees and as chair of several clinical trials through this group. She is a representative of the Southwest Oncology Group to the Gynecologic Cancer Steering Committee of the National Cancer Institute. Dr. Armstrong also serves as a representative of Johns Hopkins to the National Cooperative Cancer Network serving on the ovarian cancer and breast cancer risk reduction panels. She has participated as a member of the Cancer Working Group for the Office of Research on Women's Health for the National Institutes of Health, as a scientific reviewer for the breast and ovarian cancer research programs of the Department of Defense and the National Cancer Institute, as a reviewer for the NCI Special Emphasis Panel for Insight Awards to Stamp Out Breast Cancer and as a member of the NCI SPORE Program parent committee. Dr. Armstrong also is co-principal investigator for the NCI National Clinical Trials Network (NCTN) Lead Academic Participating Site (LAPS) at Johns Hopkins, now the major avenue for adult oncology clinical trials in the country. Recent work includes immune checkpoint inhibitor therapy in endometrial cancers with microsatellite instability and PARP inhibition in ovarian cancer. Dr. Armstrong is rated as an Experienced provider by MediFind in the treatment of Primitive Neuroectodermal Tumor (PNET). Her top areas of expertise are Ovarian Carcinosarcoma, Sertoli-Leydig Cell Tumor, Testicular Yolk Sac Tumor, and Ovarian Cancer.

Dr. Mackenzie Cervenka focuses on the diagnosis and treatment of patients with seizures and epilepsy, including surgical treatment and dietary therapies. She is an attending physician in the Epilepsy Monitoring Unit. Her specific interests include evaluations for seizure surgery, continuous electroencephalography in the intensive care unit, epilepsy in women (including considerations during pregnancy), and dietary therapies for adults with epilepsy. Dr. Cervenka's research focuses the efficacy of Ketogenic diets in the treatment of adults with epilepsy. She also studies brain mapping in preparation for epilepsy surgery. Dr. Cervenka completed her undergraduate studies at the University of Virginia and received her medical degree from the University of Virginia School of Medicine. She then completed her internship in internal medicine and residency in neurology at the University of Maryland Medical Center. Dr. Cervenka completed a fellowship in epilepsy and clinical neurophysiology at Johns Hopkins. Dr. Cervenka currently sees patients in The Johns Hopkins Outpatient Center on Monday and Wednesday afternoons. She also sees patients in The Johns Hopkins Adult Epilepsy Diet Center on Friday mornings once a month. Dr. Cervenka is rated as an Experienced provider by MediFind in the treatment of Primitive Neuroectodermal Tumor (PNET). Her top areas of expertise are Epilepsy, Seizures, Status Epilepticus, and Lennox-Gastaut Syndrome (LGS).

Dr. Antonio Wolff is internationally recognized for his work on breast cancer biomarkers, including HER2. As a practicing oncologist and clinical translational researcher, his research has been pivotal to improve the quality of breast cancer biomarker testing in breast cancer, including HER2 and estrogen receptor testing. Among his leadership accomplishments is ensuring that sophisticated laboratory findings are translated into improved clinical care in breast cancer. He is a Fellow of the American Society of Clinical Oncology (ASCO), a Komen Scholar and a Breast Cancer Research Foundation investigator. He has served as associate editor for Journal of Clinical Oncology, and serves on the National Comprehensive Cancer Network (NCCN) Guideline Steering Committee. He is a leader of the Translational Breast Cancer Research Consortium (TBCRC), and one of the principal investigators of the Evolutionary Clinical Trial for Novel Biomarker-Driven Therapies (EVOLVE) in Metastatic Breast Cancer, which was one of the three disease groups recently awarded by ARPA-H to conduct innovative trials using Advanced Analysis for Precision Cancer Therapy (ADAPT). After many years of service as Breast Committee Chair in the ECOG-ACRIN Clinical Trial Network of the National Cancer Institute (NCI), he was elected in 2024 as Co-Chair of the NCI Breast Cancer Steering Committee and appointed to the international steering committee of the Oxford Overview Collaborative, which are positions aimed at advancing clinical trials in breast cancer. At Johns Hopkins, he is an elected member of the Miller Coulson Academy of Clinical Excellence and was honored during the 125th Anniversary Living the Hopkins Mission celebrations of the JHU School of Medicine. Dr. Wolff is rated as an Experienced provider by MediFind in the treatment of Primitive Neuroectodermal Tumor (PNET). His top areas of expertise are Breast Cancer, HER-2 Positive Breast Cancer, Triple-Negative Breast Cancer, and Inflammatory Breast Cancer.

Syed Nasir is a Hematologist and an Oncologist in Towson, Maryland. Dr. Nasir is rated as an Experienced provider by MediFind in the treatment of Primitive Neuroectodermal Tumor (PNET). His top areas of expertise are Familial Colorectal Cancer, Colorectal Cancer, Lynch Syndrome, and Paget Disease of the Breast.

Paul Fowler is a Radiation Oncologist in Baltimore, Maryland. Dr. Fowler is rated as an Advanced provider by MediFind in the treatment of Primitive Neuroectodermal Tumor (PNET). His top areas of expertise are Breast Cancer, Pleuropulmonary Blastoma, Lung Cancer, and Primitive Neuroectodermal Tumor (PNET). Dr. Fowler is currently accepting new patients.

John Laterra is a Neurologist in Baltimore, Maryland. Dr. Laterra is rated as a Distinguished provider by MediFind in the treatment of Primitive Neuroectodermal Tumor (PNET). His top areas of expertise are Glioblastoma, Astrocytoma, Glioma, and Brain Tumor. Dr. Laterra is currently accepting new patients.

Dr. Kristin Redmond specializes in the treatment of brain tumors and leads the spinal radiosurgery program. She received her undergraduate degree from Princeton University where she graduated magna cum laude with a focus in neuro-psychology. She attended medical school and obtained a Masters in Public Health in health systems management at Tulane University where she was elected to the Alpha Omega Alpha Honor Medical Society as well as the Gold Humanism in Medicine Honor Society. Dr. Redmonds research interest focuses on the development of novel radiation techniques and therapeutic agents to treat brain and spine tumors in order to increase tumor control and overall survival. In addition, she is working to develop innovative approaches to try to limit long term toxicities and minimize neuro-cognitive dysfunction following treatment for tumors of the central nervous system. Dr. Redmond believes in a holistic approach to medicine and feels that the social and psychological components of patient care are equally important to traditional therapies. She works closely with a team of specialists to support patients and families during their cancer journey. Make A Gift. Dr. Redmond is rated as a Distinguished provider by MediFind in the treatment of Primitive Neuroectodermal Tumor (PNET). Her top areas of expertise are Chordoma, Brain Tumor, Astrocytoma, and Metastatic Brain Tumor.

Stuart Grossman, M.D., is a professor of oncology at the Johns Hopkins Kimmel Cancer Center. He has served as Principal Investigator and Director of the Central Operations office of the National Cancer Institute-funded phase I/II brain tumor consortia (New Approaches to Brain Tumor Therapy CNS Consortium and the Adult Brain Tumor Consortium) for the past 22 years. He has led many phase I, II, and III institutional and cooperative group translational and clinical brain cancer research projects. Dr. Grossman's expertise is in brain cancers, translational and clinical research, and directing large, multicenter, multidisciplinary clinical trial groups and training programs. Dr. Grossman was an intern and resident at Strong Memorial Hospital in Rochester, NY, and a fellow at the Johns Hopkins University School of Medicine. He received his M.D. from the University of Rochester. Dr. Grossman is rated as a Distinguished provider by MediFind in the treatment of Primitive Neuroectodermal Tumor (PNET). His top areas of expertise are Glioblastoma, Astrocytoma, Glioma, and Gliomatosis Cerebri.

Christopher Jackson is a neurosurgeon who specializes in brain tumors and cerebrovascular disorders, including glioma, meningioma, acoustic neuroma, trigeminal neuralgia, brain metastasis, arteriovenous malformation, and aneurysms. He is the director of the Acoustic Neuroma Center. Dr. Jackson earned his medical degree from the Johns Hopkins University School of Medicine, where he also completed his neurosurgical residency. During his residency, Dr. Jackson was honored with multiple distinctions, including the Frank L. Coulson Jr. Award for Clinical Excellence, the Irving J. Sherman Award for Resident Achievement, the Harvey Cushing Hunterian Research Award, and was elected to Alpha Omega Alpha. Dr. Jackson is an active researcher who has published over 35 peer-reviewed articles on brain tumor and cerebrovascular immunology. His laboratory focuses on how brain tumors evade the immune system and become resistant to immunotherapy. Additionally, Dr. Jackson’s laboratory explores the formation of cerebral aneurysms and inflammatory complications of cerebral aneurysm rupture. Dr. Jackson is rated as a Distinguished provider by MediFind in the treatment of Primitive Neuroectodermal Tumor (PNET). His top areas of expertise are Trigeminal Neuralgia, Meningioma, Dysembryoplastic Neuroepithelial Tumors (DNET), Rhizotomy, and Microvascular Decompression.

Dr. Jaishri Blakeley is the Marjorie Bloomberg Tiven Professor of Neurofibromatosis in Neurology, Oncology, and Neurosurgery at Johns Hopkins School of Medicine, director of the Johns Hopkins Comprehensive Neurofibromatosis Center and director of the Neurofibromatosis Therapeutic Acceleration Program (NTAP). She is an active clinician-scientist specializing in the care of people with NF1, NF2, LZTR1, SMARC1 schwannomatoses, and primary brain tumors. Her research expertise in the development of clinical trials for nervous system tumors and specifically, early clinical-translational studies including tumor pharmacokinetic and pharmacodynamic investigations, imaging biomarkers for rare nervous system tumors, and incorporation of patient-focused, functional endpoints into efficacy studies. She has been the national or international leader of 7 clinical trials focused on therapies for glioblastoma, NF1 and NF2. In 2012 she cofounded the NTAP to dramatically shift the landscape of NF1 via necessary, efficient, and expert discovery, translational and clinical research. NTAP focuses on therapeutics, fosters collaboration, facilitates open and timely sharing of results, and streamlines the research process to accelerate therapies for plexiform and cutaneous neurofibromas. Through NTAP, Dr. Blakeley has supported and collaborated with more than 80 laboratories and research teams across the globe enabling meaningful therapeutic development for NF1-associated neoplasms and supporting the development of an exceptional community of clinician scientists focused on NF1 via the Francis S. Collins Scholars Program in Neurofibromatosis Clinical and Translational Research. Her research and programmatic efforts are all in the service of improving outcomes for the patients with NF1, NF2, schwannomatosis, and primary brain cancer for whom she is honored to provide care. Dr. Blakeley is rated as a Distinguished provider by MediFind in the treatment of Primitive Neuroectodermal Tumor (PNET). Her top areas of expertise are Neurofibromatosis, Schwannomatosis, Neurofibromatosis Type 2 (NF2), Neurofibromatosis Type 1 (NF1), and Laminectomy.