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 an Advanced provider by MediFind in the treatment of Transient Ischemic Attack (TIA). 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 an Advanced provider by MediFind in the treatment of Transient Ischemic Attack (TIA). Her top areas of expertise are Primary Progressive Aphasia, Stroke, Frontotemporal Dementia, Thrombectomy, and Gastrostomy.

Eric Aldrich, M.D., Ph.D. is the director of Inpatient Neurological Services and medical director of the Johns Hopkins Howard County Stroke Center. He does not currently see patients who are not in the hospital. At Johns Hopkins, Dr. Aldrich developed The Johns Hopkins Hospital Stroke Center and served as its medical director for 10 years. In addition, he was the physician adviser for the Department of Neurology. Between 2010 and 2016, he served as the vice president of medical affairs at Howard County General Hospital, also helping to establish its local stroke program. Dr. Aldrich is a strong advocate for improving the quality of care and life for stroke patients and their families. Dr. Aldrich is rated as an Advanced provider by MediFind in the treatment of Transient Ischemic Attack (TIA). His top areas of expertise are Stroke, Transient Ischemic Attack (TIA), Opsoclonus-Myoclonus Syndrome, and Generalized Tonic-Clonic Seizure.

David Newman-Toker, M.D., Ph.D., is an internationally recognized leader in neuro-otology, acute stroke diagnosis, and diagnostic errors research. He completed his undergraduate studies at Yale University, his medical degree at University of Pennsylvania, his residency training and neuro-ophthalmology fellowship at Harvard University, his neuro-otology fellowship at Johns Hopkins University School of Medicine, and his doctoral degree in clinical research methods at the Johns Hopkins Bloomberg School of Public Health. He has served as a full-time faculty member at the Johns Hopkins University School of Medicine since 2002. He is the David Robinson Professor of Vestibular Neurology and also holds appointments in Otolaryngology, Ophthalmology, Emergency Medicine, Acute Care Nursing, Health Sciences Informatics, Epidemiology, and Health Policy & Management at Johns Hopkins. Dr. Newman-Toker is a bedside-to-populations translational researcher, with a focus on eliminating diagnostic errors and achieving diagnostic excellence. He is a leader in the national and international movements to eliminate patient harms from diagnostic error. Dr. Newman-Toker’s clinical focus is on diagnosis of acute disorders affecting the brainstem and cranial nerves, particularly stroke. He is recognized for his research in novel eye-movement-based bedside methods for diagnosing stroke in patients with acute dizziness and vertigo in the emergency department and, in 2024, won the international Bárány Society’s Hallpike-Nylén Prize for clinical research achievement. Dr. Newman-Toker serves as director of the Division of Neuro-Visual & Vestibular Disorders in the Department of Neurology. He also directs the Armstrong Institute Center for Diagnostic Excellence, whose mission is to catalyze efforts to improve diagnostic performance, develop the science of diagnostic safety, and enhance diagnostic research. He has been the principal investigator on numerous National Institutes of Health, Agency for Healthcare Research and Quality (AHRQ), and foundation grants. He has published over 165 journal articles and given more than 300 invited lectures. He has served as an expert consultant on diagnostic safety and quality to AHRQ, the National Quality Forum, and the National Academy of Medicine. He has testified before Congress on the use of artificial intelligence for medical diagnosis. He was president of the Society to Improve Diagnosis in Medicine from 2018-2020. Dr. Newman is rated as an Advanced provider by MediFind in the treatment of Transient Ischemic Attack (TIA). His top areas of expertise are Vertigo, Benign Paroxysmal Positional Vertigo, Stroke, and Brown Syndrome.

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 an Advanced provider by MediFind in the treatment of Transient Ischemic Attack (TIA). Her top areas of expertise are Stroke, Apoplexy, Transient Ischemic Attack (TIA), Thrombectomy, and Gastrostomy.

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 the treatment of Transient Ischemic Attack (TIA). His top areas of expertise are Stroke, Cerebral Amyloid Angiopathy, Siderosis, Thrombectomy, and Gastrostomy.

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 Experienced provider by MediFind in the treatment of Transient Ischemic Attack (TIA). Her top areas of expertise are Moyamoya Disease, Stroke, Stiff Person Syndrome, Thrombectomy, and Cerebral Artery Bypass Surgery.

Dr. Hugh Calkins is the Catherine Ellen Poindexter Professor of Cardiology and Director of the Electrophysiology Laboratory and Arrhythmia Service at the Johns Hopkins Hospital. He is an internationally recognized expert on catheter ablation, atrial fibrillation, syncope, arrhythmogenic right ventricular dysplasia (ARVD) and arrhythmia management. Dr. Calkins attended Williams College and Harvard Medical School before training in medicine at Massachusetts General Hospital. He received his cardiology training at Johns Hopkins. His first faculty position was at the University of Michigan, where he directed the Pacemaker Service, and he returned to Johns Hopkins as director of the Arrhythmia Service in 1992. Dr. Calkins is an Associate Editor of the Journal of Cardiovascular Electrophysiology and is on the editorial board of many other cardiology journals. He is a former member of the American Board of Internal Medicine Electrophysiology Boards Test Writing Committee. Dr. Calkins is a fellow of the American College of Cardiology, the American Heart Association and the Heart Rhythm Society. He led a 44-member international task force whose 2012 Expert Consensus Statement gave recommendations for treatment and research of atrial fibrillation. Dr Calkins is a past president of the Heart Rhythm Society and was elected to be a member of the Miler Coulsen Academy of Clinical Excellence in 2014. Dr. Calkins has published more than 500 articles and book chapters on a large variety of cardiac arrhythmias. His research has focused predominantly on catheter ablation, atrial fibrillation, syncope, and arrhythmogenic right ventricular dysplasia. Dr. Calkins has also written extensively on most aspects of heart rhythm disorders and their treatment. Dr. Calkins is rated as an Experienced provider by MediFind in the treatment of Transient Ischemic Attack (TIA). His top areas of expertise are Atrial Fibrillation, Arrhythmias, Cardiomyopathy, Cardiac Ablation, and Heart Transplant.

Jon R. Resar received his M.D. from the Medical College of Wisconsin in 1985. He completed an internal medicine residency at The Johns Hopkins Hospital and fellowships in cardiovascular medicine and interventional cardiology at The Johns Hopkins Hospital and Johns Hopkins University School of Medicine. He joined the faculty at Johns Hopkins in 1992 and is currently a Professor of Medicine/Cardiology. He was the past Director of the Adult Catheterization Laboratory and Interventional Cardiology at the Johns Hopkins Hospital. His field of specialization is management of coronary artery disease and valvular heart disease. Dr. Resar holds memberships in the American Heart Association and is a Fellow of the American College of Cardiology. Dr. Resar is rated as an Experienced provider by MediFind in the treatment of Transient Ischemic Attack (TIA). His top areas of expertise are Aortic Valve Stenosis, Heart Attack, Atrial Septal Defect (ASD), Aortic Valve Replacement, and Transcatheter Aortic Valve Replacement (TAVR).

Degrees: BS: Massachusetts Institute of Technology 1981 Electrical Engineering MS: Massachusetts Institute of Technology 1983 Electrical Engineering PhD: Massachusetts Institute of Technology 1987 Electrical Engineering MD: Harvard 1987 Medicine Professional Appointments: 1987-1988 Intern in Medicine, Brigham and Women's Hospital 1988-1990 Resident in Medicine, Brigham and Women's Hospital 1988-1990 Research Scientist, Harvard M.I.T. Division of H.S.T. 1990-1993 Fellow in Cardiology, Johns Hopkins University 1993-1998 Assistant Professor of Medicine, Johns Hopkins University 1996- Co-Director of Cardiac Electrophysiology, Johns Hopkins Hospital 1998-2005 Associate Professor of Medicine, Johns Hopkins University 2002-2005 Associate Professor of Biomedical Engineering, Johns Hopkins University 2005- Professor of Medicine, Johns Hopkins University 2005- Professor of Biomedical Engineering, Johns Hopkins University. Dr. Berger is rated as an Experienced provider by MediFind in the treatment of Transient Ischemic Attack (TIA). His top areas of expertise are Atrial Fibrillation, Arrhythmias, Ventricular Tachycardia, Cardiac Ablation, and Pacemaker Implantation.

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 the treatment of Transient Ischemic Attack (TIA). His top areas of expertise are Neurosarcoidosis, Stroke, Herpes Zoster Oticus, Arachnoiditis, and Thrombectomy.

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 the treatment of Transient Ischemic Attack (TIA). Her top areas of expertise are Stroke, Dementia, Apoplexy, Cerebral Amyloid Angiopathy, and Thrombectomy.

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 Experienced provider by MediFind in the treatment of Transient Ischemic Attack (TIA). His top areas of expertise are Stroke, Concussion, Delirium, Thrombectomy, and Endovascular Embolization.

Dr. Katherine Wu is a general cardiologist for the Heart and Vascular Institute at Johns Hopkins Medicine with an interest in caring for patients with cardiomyopathies, coronary artery disease, and valvular heart disease as well as those interested in cardiovascular prevention. She has additional expertise in non-invasive cardiology imaging techniques. Dr. Wu received her medical degree from the University of Pennsylvania Health System School of Medicine, and completed her residency and a cardiology fellowship at the Johns Hopkins University School of Medicine. She joined the School of Medicine faculty in 2000. Dr. Wu's research interests include improving individualized risk prediction for sudden cardiac death and heart failure by developing and validating methods that incorporate novel cardiac imaging indices. Her lab is funded by the NIH/NHLBI. Dr. Wu has more than 70 peer-reviewed publications and serves on the editorial board of the Journal of Cardiovascular Magnetic Resonance and Circulation Cardiovascular Imaging and is a standing member of the NIH Clinical and Integrative Cardiovascular Sciences Study Section. Dr. Wu is rated as an Experienced provider by MediFind in the treatment of Transient Ischemic Attack (TIA). Her top areas of expertise are Cardiomyopathy, Atrial Fibrillation, Heart Attack, and Pulmonary Hypertension.

With fellowship training in neuro-ophthalmology and additional training in neuro-vestibular disorders, Dr. Daniel Gold sees patients with neuro-ophthalmic disorders (affecting vision, eyelids, pupils, or causing nystagmus or double vision) in addition to oto-neurologic disorders (causing dizziness and vertigo). Videos 2018 Best Consulting Physician Award Tele-(Dizzy) Medicine. Dr. Gold is rated as an Experienced provider by MediFind in the treatment of Transient Ischemic Attack (TIA). His top areas of expertise are Vertigo, Benign Paroxysmal Positional Vertigo, Brown Syndrome, and Stiff Person Syndrome.

Joseph Marine, MD, MBA, FACC, FHRS, is a clinical cardiac electrophysiologist who practices primarily at the Johns Hopkins Hospital in Baltimore, Maryland. He is a Professor of Medicine at the Johns Hopkins University School of Medicine and holds appointments as Vice-Director of Operations for the Division of Cardiology and Section Chief of Cardiology for Johns Hopkins Community Physicians. He trained at UC San Francisco Medical School, Brigham and Women’s Hospital/Harvard Medical School, Boston University Medical Center, and Beth Israel Deaconess Medical Center. Dr. Marine has lectured widely on a variety of arrhythmia topics and has served as a co-director of the American College of Cardiology (ACC) Cardiovascular Overview and Board Review Course for 10 years. He currently serves on the ACC Board of Governors and is co-editor of the ACC/HRS EP Self-Assessment Program. He also serves on other committees for the ACC, the Heart Rhythm Society, and MedChi. He is co-author of more than 130 original research and review articles and has served on writing committees for several national cardiology practice and training guidelines. As a clinical cardiac electrophysiologist, Dr. Marine specializes in the diagnosis and treatment of arrhythmias, which are heart rhythm disorders that cause the heart to beat too rapidly, too slowly, or irregularly. His research focuses on further improving the safety and effectiveness of catheter ablation and other treatments for atrial fibrillation and other atrial and ventricular arrhythmias. Dr. Marine is rated as an Experienced provider by MediFind in the treatment of Transient Ischemic Attack (TIA). His top areas of expertise are Atrial Fibrillation, Atrioventricular Nodal Reentrant Tachycardia (AVNRT), Arrhythmias, Cardiac Ablation, and Heart Transplant.

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 an Experienced provider by MediFind in the treatment of Transient Ischemic Attack (TIA). Her top areas of expertise are Neurofibromatosis, Schwannomatosis, Neurofibromatosis Type 2 (NF2), Neurofibromatosis Type 1 (NF1), and Laminectomy.

Seemant Chaturvedi is a Neurologist in Baltimore, Maryland. Dr. Chaturvedi is rated as a Distinguished provider by MediFind in the treatment of Transient Ischemic Attack (TIA). 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.

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

Dr. Saber Tehrani is an Assistant Professor of Neurology at Johns Hopkins University School of Medicine. Dr. Saber Tehrani has unique subspecialty training in vascular neurology, neuro-ophthalmology, and vestibular neurology. He is available for consultation for patients with strokes affecting vision or balance. Research Summary Dr. Saber Tehrani’s research efforts are focused on posterior circulation stroke diagnosis and outcomes, and how such strokes can affect vision and balance. He is using novel ways to objectively measure abnormal eye movements indicative of stroke. Dr. Tehrani is rated as an Experienced provider by MediFind in the treatment of Transient Ischemic Attack (TIA). His top areas of expertise are Vertigo, Stroke, Pica, Gastrostomy, and Stent Placement.