Dr. Vivek Srikar Yedavalli is currently an Associate Professor of Radiology and Radiological Science, Associate Professor of Neurology, the Director of Stroke, Neurovascular, and Perfusion Imaging at Johns Hopkins Hospital, Chief of Neuroradiology at Johns Hopkins Bayview Medical Center, and Assistant Director of the Department of Radiology Physician Scientist Incubator Program. Dr. Yedavalli has been recognized nationally as a translational stroke and perfusion imaging researcher and physician-scientist. Within one year of his appointment at Johns Hopkins, Dr. Yedavalli received the Radiological Society of North America (RSNA)’s Seed Grant using MRI spectroscopy for prognostication in subacute ischemic stroke. Dr. Yedavalli was then chosen as the inaugural recipient of the Johns Hopkins University Department of Radiology Physician Scientist Incubator Program (RAD-PSI), an internal grant that also confers funding and protected time for his stroke work. The following year, for applying his work on collateralization based on CT perfusion within acute ischemic stroke with artificial intelligence, Dr. Yedavalli was awarded the RSNA Scholar Grant. For his research endeavors, Dr. Yedavalli was previously chosen as the American Journal of Neuroradiology (AJNR) Editorial Fellow and then subsequently as a member of the Academy of Radiology and Biomedical Imaging Research’s Council of Early Career Investigators. Thereafter, for his novel translational applications of MRI perfusion techniques to stroke, Dr. Yedavalli was chosen as a Junior Fellow of the International Society of Magnetic Resonance Imaging in Medicine (ISMRM). Dr. Yedavalli became an Editorial Board member of Stroke and an Editor in Training for Stroke: Vascular and Interventional Neurology. For his research endeavors, Dr. Yedavalli was conferred the Junior Faculty Clinical Research Award in 2023. In addition to research, Dr. Yedavalli is an active member of a number of national committees with a strong interest in leadership. He is currently a member of the ASNR Research, Education, Social Media/Website, and Young Professionals Committees. He also served as the Co-Chair of the Social Media Committee for the ASFNR 2019. Previously, Dr. Yedavalli was an Illinois ACR RFS Delegate in 2017 and 2018. He will also be the ASNR’s AMA Representative at this upcoming meeting. Dr. Yedavalli’s interests additionally include educational and teaching endeavors. He was previously the recipient of the Department of Radiology Education Award during his residency training. He prefers a balanced teaching approach with trainees with focused learning while maintaining autonomy for a more productive learning environment. Dr. Yedavalli is rated as an Elite provider by MediFind in Thrombectomy. His top areas of expertise are Arteriovenous Malformation, Moyamoya Disease, Brain Aneurysm, Thrombectomy, and Rhizotomy.

Dheeraj Gandhi is a Neuroradiologist and a Radiologist in Baltimore, Maryland. Dr. Gandhi is rated as an Elite provider by MediFind in Thrombectomy. His top areas of expertise are Brain Aneurysm, Stroke, Subarachnoid Hemorrhage, Thrombectomy, and Thalamotomy.

Seemant Chaturvedi is a Neurologist in Baltimore, Maryland. Dr. Chaturvedi is rated as an Elite provider by MediFind in Thrombectomy. His top areas of expertise are Stroke, Transient Ischemic Attack (TIA), Obstructive Sleep Apnea, Thrombectomy, and Stent Placement. Dr. Chaturvedi is currently accepting new patients.

Dr. Victor Urrutia serves as the medical director of the stroke service at The Johns Hopkins Hospital and director of the Sheikh Khalifa Stroke Institute. He focuses on the clinical aspects of cerebrovascular disease (stroke), specifically acute stroke therapy and prevention. Dr. Urrutia currently sees patients at the Stroke Prevention Clinic, located in the Johns Hopkins Outpatient Center in Baltimore on Wednesdays, and cares for patients in The Johns Hopkins Hospital's Brain Rescue Unit. Dr. Victor Urrutia received his medical degree from the University of Panama School of Medicine. He completed his neurology training at MCP Hahnemann University in Philadelphia, now Drexel University College of Medicine. After his residency training, he completed fellowship training in neurocritical care and acute stroke at Drexel University College of Medicine and became a faculty member in the neurocritical care and acute stroke division. He then returned to Panama for two years where he was the first to treat patients with IV thrombolytic therapy for acute stroke. Dr. Urrutia is rated as a Distinguished provider by MediFind in Thrombectomy. His top areas of expertise are Stroke, Transient Ischemic Attack (TIA), Vertigo, Thrombectomy, and Gastrostomy.

Dr. Argye Hillis is a professor of Neurology, with joint faculty appointments in Physical Medicine and Rehabilitation and in Cognitive Science. She is also the Sheikh Khalifa Stroke Institute Professor of Acute Stroke Diagnoses and Management. Prior to medical training and neurology residency, Dr. Hillis worked as a speech-language pathologist, and conducted clinical research focusing on understanding and treating aphasia and hemispatial neglect. She has brought these areas of experience to impact on her clinical research in neurology, which involves cognitive and neuroimaging studies of aphasia and hemispatial neglect due to acute stroke and focal dementias. She has published extensively on these topics in journals and textbooks. Dr. Hillis is Associate Editor of Stroke and has served as Associate editor of Brain, Annals of Neurology, Aphasiology, American Journal of Speech-Language Pathology, Neurocase, Cognitive Neuropsychology, and Language and Cognitive Processes and served as co-Editor and Chief of Behavioral Neurology. Dr. Hillis serves as the Executive Vice Chair of the Department of Neurology and the Director of the Cerebrovascular Division of Neurology at Johns Hopkins. Dr. Hillis is rated as a Distinguished provider by MediFind in Thrombectomy. Her top areas of expertise are Primary Progressive Aphasia, Stroke, Frontotemporal Dementia, Thrombectomy, and Gastrostomy.

Dr. Elisabeth Marsh's clinical interest is in cerebrovascular neurology, and her clinical research focuses on stroke outcomes and recovery. Her clinical responsibilities include attending on the inpatient Stroke Service at the Johns Hopkins Hospital and inpatient Neurology Service at the Johns Hopkins Bayview Medical Center. In 2014, Dr. Marsh was named the Medical Director of the Comprehensive Stroke Program at the Johns Hopkins Bayview Medical Center. She implemented the Bayview Stroke Intervention Clinic (BaSIC), a multi-disciplinary follow-up clinic designed to promote patient follow-up, reduce hospital readmission rates, and enhance post-stroke recovery. Her current focus is on the under-reported neurologic deficits (particularly with respect to depression, fatigue, and cognition) that significantly impair long-term functional outcome and patient satisfaction, despite scores on metrics such as the NIH stroke scale that indicate a “good recovery”. She leads a team of vascular neurologists, emergency medicine physicians, neurosurgeons, interventional neuroradiologists, neurointensivists, and rehabilitation specialists, who work together to provide the highest level of care to all stroke patients, resulting in better functional outcomes and improved quality of life. She is also interested in the treatment of acute stroke and intracranial hemorrhage. Her past work has included evaluation of the predictors of hemorrhagic transformation following ischemic stroke. Using multivariable regression, she created a model that predicts rate of hemorrhagic transformation in patients with acute stroke on anticoagulation, the Hemorrhage Risk Stratification (HeRS) score. The tool is available for free through Apple by searching 'Johns Hopkins HeRS score' in the App Store. Dr. Marsh is rated as a Distinguished provider by MediFind in Thrombectomy. Her top areas of expertise are Stroke, Apoplexy, Transient Ischemic Attack (TIA), Thrombectomy, and Gastrostomy.

Michael Phipps is a Neurologist in Baltimore, Maryland. Dr. Phipps is rated as a Distinguished provider by MediFind in Thrombectomy. His top areas of expertise are Stroke, Transient Ischemic Attack (TIA), Dysarthria, Thrombectomy, and Stent Placement. Dr. Phipps is currently accepting new patients.

Meisam Hoseinyazdi is a Radiologist in Baltimore, Maryland. Dr. Hoseinyazdi is rated as a Distinguished provider by MediFind in Thrombectomy. His top area of expertise is Thrombectomy.

Dr. Sun is an expert in both pediatric neurology and cerebrovascular neurology, with a special interest in pediatric and young adult stroke. She focuses on both acute care of stroke as well as longitudinal management of an array of neurologic conditions that affect children and young adults. Dr. Sun’s research focuses broadly on pediatric and young adult stroke, with emphasis on discovering the causes, treatments, and prevention of stroke in the young. More specifically, Dr. Sun is investigating novel monitoring and stroke prevention techniques in children with moyamoya disease, which is a rare disease that places affected children and young adults at high risk of stroke. The goal of Dr. Sun's research is to improve outcomes and quality of life of individuals affected by stroke and moyamoya disease. In addition to her clinical and research interests, Dr. Sun is the associate program director of the Child Neurology residency program at Johns Hopkins. After completing medical school at the Johns Hopkins University School of Medicine, Dr. Sun completed her pediatrics and neurology residency training at Johns Hopkins, and subsequently she completed a fellowship in Vascular Neurology/Stroke. Dr. Sun is rated as an Advanced provider by MediFind in Thrombectomy. Her top areas of expertise are Moyamoya Disease, Stroke, Stiff Person Syndrome, Thrombectomy, and Cerebral Artery Bypass Surgery.

Dr. Caplan specializes in the treatment of cerebrovascular disorders of the brain, head, neck and spine, such as aneurysms, arteriovenous malformations, arteriovenous fistulas, moyamoya disease, carotid artery stenosis and stroke. He is dual fellowship trained in both open cerebrovascular neurosurgery and endovascular neurosurgery, allowing him to offer patients the full spectrum of the latest surgical and endovascular techniques in treating these diseases. Dr. Caplan also focuses on treating acoustic neuromas and other tumors of the skull base, including meningiomas. Dr. Caplan graduated with honors from the Johns Hopkins University with a degree in neuroscience, where he spent time in the Hunterian Neurological Surgery Research Laboratory. He then earned his medical degree from Harvard Medical School. He completed his neurosurgery residency at Johns Hopkins, along with fellowships in cerebrovascular neurosurgery and endovascular neurosurgery, also at Johns Hopkins. He then completed an additional fellowship in endovascular neurosurgery at the University of Miami before returning to join the Johns Hopkins faculty. Dr. Caplan is rated as an Advanced provider by MediFind in Thrombectomy. His top areas of expertise are Brain Aneurysm, Arteriovenous Malformation, Cerebral Arteriovenous Malformation, Thrombectomy, and Carotid Artery Surgery.

Dr. Felling is the director of the Johns Hopkins Pediatric Stroke Program and specializes in the evaluation and treatment of children with a wide range of cerebrovascular disorders. With combined training in child neurology and vascular neurology he offers expertise in both the acute diagnosis and treatment of stroke as well as longitudinal management of the neurological consequences of stroke in children. Dr. Felling earned both his M.D. and his Ph.D. in neuroscience at Penn State College of Medicine. He completed residency training in pediatrics at the Children’s Hospital of Philadelphia. He also completed residency training in pediatric neurology and a fellowship in vascular neurology at Johns Hopkins. Dr. Felling's goal is to improve the clinical care of patients through the development of efficient pathways for the rapid evaluation and treatment of children presenting with stroke. He is part of a multidisciplinary team of providers that care for children with cerebrovascular disorders. Clinical research efforts are aimed at improving neurological function in children following stroke and other brain injuries. Dr. Felling is rated as an Advanced provider by MediFind in Thrombectomy. His top areas of expertise are Stroke, Concussion, Delirium, Thrombectomy, and Endovascular Embolization.

A leading expert on brain injury, Dr. Daniel F. Hanley has been a professor of neurology, neurosurgery, and anesthesiology/critical care medicine at the Johns Hopkins University School of Medicine since 1996 and was named the Jeffrey and Harriet Legum Chair of Acute Care Neurology. Dr. Hanley founded and directed the Johns Hopkins Neurocritical Care Unit, one of the first critical care units dedicated solely to neurosurgical and neurological patients. Subsequently, in 1999, he founded and continues to direct the BIOS Clinical Trials Coordinating Center (BIOS CTCC), formerly known as the Division of Brain Injury Outcomes. Under Dr. Hanley’s leadership, BIOS CTCC, an academic contract research organization based at Johns Hopkins, has organized and completed more than 20 large clinical trials. He has been awarded over 70 clinical and basic research grants, predominantly from the National Institutes of Health and the FDA Orphan Products Grants Program. Dr. Hanley’s 40-year career in medicine has focused on clinical trial design, the organization and interpretation of drug and device trials, the development of strategic research plans, and FDA regulatory compliance. He has led international, NIH-sponsored trials including the MISTIE III and CLEAR III trials investigating minimally invasive neurosurgical techniques to treat hemorrhagic stroke. As principal investigator for the National Center for Advancing Translational Sciences (NCATS) Johns Hopkins Trial Innovation Center, Dr. Hanley leads collaborative efforts to advance education and therapeutics through innovative CTSA clinical trials. Currently, Dr. Hanley is the PI or multi-PI for several ongoing trials. These include a multisite phase 2/3 randomized controlled dementia prevention trial (MAP), a large multicenter clinical trial involving automated monitoring of atrial fibrillation (REACT AF), and a first-in-patient phase 2a biomarker and edema attenuation in intracerebral hemorrhage trial (BEACH). Dr. Hanley has published over 400 peer-reviewed articles and book chapters, received the Humboldt Research Prize for accomplishments in brain injury research, and mentored nearly 100 researchers. His trainees, which include a large number of trialists, have led 25 brain intensive care units, and over 40 have been named full professors, program leaders, or department chairs. He has served on public boards including the American Academy of Neurology, National Stroke Association, and NIH National Institute of Nursing Research. Dr. Hanley is rated as an Advanced provider by MediFind in Thrombectomy. His top areas of expertise are Stroke, Hydrocephalus, Vertigo, Severe Acute Respiratory Syndrome (SARS), and Thrombectomy.

Nathan Hyson is a Neuroradiologist in Baltimore, Maryland. Dr. Hyson has been practicing medicine for over 9 years and is rated as an Advanced provider by MediFind in Thrombectomy. His top areas of expertise are Brain Aneurysm and Thrombectomy.

Dr. Francis Deng is an expert in neuroradiology, specializing in diagnostic imaging of the head, neck, brain, and spine. He is a magna cum laude graduate of Harvard College and earned his medical degree from Washington University in St. Louis School of Medicine. He then completed a medical internship at the Brigham and Women's Hospital, followed by diagnostic radiology residency and neuroradiology fellowship at Massachusetts General Hospital, both affiliates of Harvard Medical School. Dr. Deng is a recognized educator both locally and internationally. He has authored chapters in bestselling textbooks such as First Aid for the USMLE Step 1 and Core Radiology: A Visual Approach to Diagnostic Imaging. He is an Editor of Radiopaedia.org and was Co-Convener of the Radiopaedia 2024 Virtual Conference, which had more than 13,000 registrants globally. With Medality (MRI Online), he was core faculty for the Fellowship Certificate programs on Brain & Spine Neuroradiology and for Stroke Imaging. For several high-impact radiology journals, Dr. Deng has received distinguished reviewer awards and served in editorial roles. He was a Visiting Scholar with the American Board of Medical Specialties in 2023-2024 and, as a student, served on the Board of Directors of the National Resident Matching Program. Dr. Deng has an academic interest in diagnostic excellence and error. Locally, he holds regular quality assurance conferences for radiology residents to learn from misses and misinterpretations. He hosted a podcast series on this topic published under the aegis of the American Journal of Roentgenology. He also serves as an expert witness in medical liability/malpractice cases. Dr. Deng is rated as an Advanced provider by MediFind in Thrombectomy. His top areas of expertise are Morgagni-Stewart-Morel Syndrome, Cavernous Sinus Thrombosis, Lemierre Syndrome, Familial Otosclerosis, and Thrombectomy.

Cynthia Greene is a Neuroradiologist in Baltimore, Maryland. Dr. Greene is rated as an Advanced provider by MediFind in Thrombectomy. Her top areas of expertise are Stroke and Thrombectomy.

Dr. Rafael Llinas serves as the Director of Neurology at the Johns Hopkins Bayview Medical Center. His clinical interests include acute stroke treatments, neurovascular imaging and migraine as related to cerebrovascular disease. He also serves as the associate director of the neurology residency program. He was instrumental in establishing the Johns Hopkins Bayview Medical Center Stroke Center. In 2005, in recognition of the Stroke Centers organizational efforts in stroke care, the institution was granted certification as a Primary Stroke Center by the Joint Commission on Accreditation of Healthcare Organizations. Dr. Llinas primary areas of research interests include diffusion-perfusion imaging of stroke, intravenous and intra-arterial thrombolysis for stroke, education of physicians and nurses in stroke identification and stroke care, stroke units and stroke centers. Dr. Rafael Llinas received his medical degree from the New York University School of Medicine. He completed a medical internship at the Boston City Hospital and was a neurology resident in the Harvard-Longwood neurology training program. Following his residency, he was a stroke and cerebrovascular disease fellow for two years at Beth Israel Hospital, Harvard University. Dr. Llinas is rated as an Advanced provider by MediFind in Thrombectomy. His top areas of expertise are Stroke, Cerebral Amyloid Angiopathy, Siderosis, Thrombectomy, and Gastrostomy.

Dr. Kelvin K. Hong is an Associate Professor and Executive Vice Chair of Radiology within the Johns Hopkins Department of Radiology. A specialist in interventional and vascular radiology, Dr. Hong serves as the Medical Director of the Johns Hopkins Interventional Radiology Center. Dr. Hong earned his medical degree from South Africa’s University Of Witwatersrand Medical School in Parktown. He completed a radiology residency at Parktown West’s College of Medicine/Radiology, as well as a cardiovascular/interventional radiology fellowship and diagnostic radiology residency at The Johns Hopkins Hospital. His areas of clinical expertise include bone, liver and soft-tissue tumors; chronic total occlusions; claudication; deep venous thrombosis; lung, esophageal and kidney cancer; peripheral arterial/vascular disease; renal artery/vascular disease; uterine fibroid tumors; varicocele; and vascular malformations and venous thromboembolism. Dr. Hong performs procedures that include radiofrequency ablation for lung, liver, kidney and bone lesions; transcatheter arterial chemoembolization for liver cancer; lower-extremity angioplasty and stenting; visceral angioplasty and stenting; embolization of uterine fibroid tumors; cryoablation for pain control; and percutaneous laser ablation of varicose veins. Dr. Hong served as editor for the book Percutaneous Tumor Ablation and contributed to Interventional Oncology: Principles and Practice. Dr. Hong is rated as an Experienced provider by MediFind in Thrombectomy. His top areas of expertise are Fibrolamellar Carcinoma, Bile Duct Obstruction, Neuroendocrine Tumor, Liver Embolization, and Pancreaticoduodenectomy.

Neurologist Michelle C. Johansen specializes in prevention and treatment of stroke. She is the inaugural Guy McKhann Associate Professor of Neurology — the title was established in honor of the founder of the Johns Hopkins Department of Neurology. Dr. Johansen’s research and clinical interests focus on stroke etiology and vascular contributions to cognitive decline. She studies the intersection between the brain and the heart, specifically how changes in the heart’s structure and function point toward the cause of stroke and impact brain health, including cognition. She received the American Stroke Association’s Vascular Cognitive Impairment Award for her work showing that myocardial infarction is associated with acute and progressive decline in cognition, the American Academy of Neurology’s A.B. Baker Teacher Recognition Award and the Johns Hopkins Department of Neurology’s Clinical Faculty Brain Award for excellence in teaching. She has received multiple grants to fund her research from the National Institute of Neurological Disorders and Stroke, the National Institute on Aging and the American Heart Association. Dr. Johansen’s work has been published in many high-ranking medical journals such as The Journal of the American Medical Association, and she has been interviewed as an expert for news outlets such as CNN and Medical News Today, as well as for webinars and podcasts. She is a member of the American Neurological Association and chair of its Education Innovation Committee, and she is a fellow of the American Heart Association. She received her medical degree from the Medical College of Virginia, where she was inducted into the Alpha Omega Alpha Honor Society, and she earned a postdoctoral degree in clinical investigation from the Johns Hopkins Bloomberg School of Public Health. Dr. Johansen completed a medicine internship and neurology residency at the University of Virginia, followed by a clinical fellowship in cerebrovascular neurology at Johns Hopkins. She joined the Johns Hopkins Department of Neurology faculty in 2017. The Johansen Lab: johansenlab.org Videos Johns Hopkins Medicine A Woman's Journey Executive Women's Briefing 2021 Neurology: Junior Faculty Spotlight. Dr. Johansen is rated as an Experienced provider by MediFind in Thrombectomy. Her top areas of expertise are Stroke, Dementia, Apoplexy, Cerebral Amyloid Angiopathy, and Thrombectomy.

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 an Experienced provider by MediFind in Thrombectomy. His top areas of expertise are Trigeminal Neuralgia, Meningioma, Dysembryoplastic Neuroepithelial Tumors (DNET), Rhizotomy, and Microvascular Decompression.

Dr. Barney J. Stern is a neurologist specializing in vascular neurology and neurological complications of sarcoidosis. His work in vascular neurology has covered all aspects of stroke management, including prevention and acute, subacute and chronic care. Dr. Stern also provides complex care management for patients suffering from neurosarcoidosis. His research focuses on understanding the biology and clinical outcomes of neurovascular disease and neurological complications associated with sarcoidosis. Dr. Stern has served as the medical safety monitor on a number of National Institutes of Health (NIH) stroke studies. In his new role at Johns Hopkins, Dr. Stern will be seeing outpatients as a member of the Advanced Clinical Neurology division with Dr. John Probasco. Dr. Stern is rated as an Experienced provider by MediFind in Thrombectomy. His top areas of expertise are Neurosarcoidosis, Stroke, Herpes Zoster Oticus, Arachnoiditis, and Thrombectomy.