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 Headache. Her top areas of expertise are Epilepsy, Seizures, Status Epilepticus, and Lennox-Gastaut Syndrome (LGS).

Jeffrey Mewborne is a Radiologist in Baltimore, Maryland. Dr. Mewborne is rated as an Advanced provider by MediFind in the treatment of Headache. His top areas of expertise are Herniated Disk, Stroke, Headache, and Cerebral Arteriovenous Malformation.

Dr. David M. Yousem is the associate dean for professional development in the Johns Hopkins Medicine Department of Radiology and Radiological Science. He specializes in neuroimaging. Dr. Yousem received his B.S. and M.D. degrees at the University of Michigan. He completed a radiology residency at Johns Hopkins and a two-year fellowship in neuroradiology at the University of Pennsylvania. He received his M.B.A. at Johns Hopkins University in 2003. Dr. Yousem's expertise spans the full gamut of neuroradiology techniques including computed tomography (CT), magnetic resonance imaging (MRI), angiography, myelography, CT guided aspirations and biopsies, functional MRI, diffusion and perfusion imaging, MR/CT angiography, and 3-D reconstructions. He is a noted authority on disorders of the brain, spine, head and neck, olfaction, cranial neuropathies and neurodegeneration. Dr. Yousem has authored or edited four books—Neuroradiology: THE REQUISITES, Head and Neck Case Review, and Radiology Business Practice: How to Succeed, and Non-Interpretive Skills Case Review, all published by Mosby/Elsevier—and has edited four journal issues. He has published over 250 peer reviewed articles over 50 chapters in books and has lectured on five continents. Dr. Yousem has an RSNA Educator Award sponsored on line course containing over 30 lectures on the Business of Medicine available to the public at https://webcast.jhu.edu/Mediasite/Catalog/Full/2facf598655b40ecaf3e7ee71698b86421. This is currently used by residency programs across the country to fulfill ACGME requirements for business of radiology content. He served as President of the American Society of Neuroradiology in 2008-2009 and as the Secretary of Treasurer of the World Federation of Neuroradiological Societies from 2011 to present. He sits on many of national radiological societies committees. Dr. Yousem has completed two marathons (best time: 3 hours, 54 minutes), a half Ironman, and a full Ironman (2.5-mile swim followed by 112-mile bike ride and then a 26-mile run) competition. Videos David M. Yousem e-Radiology Learning - Neuroradiology Pearls and Pitfalls (1 of 4) e-Radiology Learning - Neuroradiology Pearls and Pitfalls (2 of 4) e-Radiology Learning - Neuroradiology Pearls and Pitfalls (3 of 4) e-Radiology Learning - Neuroradiology Pearls and Pitfalls (4 of 4). Dr. Yousem is rated as an Advanced provider by MediFind in the treatment of Headache. His top areas of expertise are Hydrocephalus, Congenital Cardiovascular Shunt, Normal Pressure Hydrocephalus, Subarachnoid Hemorrhage, and Embolectomy.

Arens Taga is a neurologist specializing in neuromuscular diseases, with a particular focus on amyotrophic lateral sclerosis (ALS) and other motor neuron diseases. His clinical work aims to improve the quality of care for patients with ALS through biomarker-based, precision medicine approaches that refine disease stratification and facilitate more targeted and efficient enrollment in clinical trials. As a clinician-scientist, Dr. Taga uses patient-derived induced pluripotent stem cells to model ALS, uncover novel disease mechanisms and identify therapeutic targets that are translatable to clinical trials. In recognition of his work in ALS, Dr. Taga was awarded the 2025 Richard Olney Clinician Scientist Development Award, which honors early-career physician-scientists dedicated to advancing ALS research. Dr. Taga earned his medical degree from the School of Medicine and Surgery at the University of Parma, Italy, where he also completed his neurology residency. He subsequently trained at The Johns Hopkins University, completing a postdoctoral research fellowship in the neuromuscular division, an internal medicine internship, a neurology residency and a neuromuscular clinical fellowship. Dr. Taga is rated as an Advanced provider by MediFind in the treatment of Headache. His top areas of expertise are 15q11.2 Microdeletion, Primary Lateral Sclerosis, Amyotrophic Lateral Sclerosis (ALS or Lou Gehrig's Disease), and Cluster Headache.

Dr. Aruna Rao completed her Neurology residency at Johns Hopkins school of medicine followed by a fellowship in Sleep medicine. She sees patients at the headache center, cerebro spinal fluid (CSF) disorders center and sleep disorders center, which are located at the Johns Hopkins Bayview Medical Center. She specializes in all headache disorders including migraine, cluster, tension headaches, trigeminal neuralgia and facial pain. Dr. Rao is currently not accepting new patients. In the CSF Disorders Center she evaluates patients with pseudotumor cerebri and other CSF disorders. In the sleep disorders center she sees patients with sleep apnea, insomnia, hypersomnolence disorders and movement disorders associated with sleep like restless leg syndrome. Dr. Rao is rated as an Advanced provider by MediFind in the treatment of Headache. Her top areas of expertise are Hydrocephalus, Normal Pressure Hydrocephalus, Congenital Cardiovascular Shunt, and Restless Legs Syndrome.

Tadesse Eshetu is a Neuroradiologist in Baltimore, Maryland. Dr. Eshetu is rated as an Experienced provider by MediFind in the treatment of Headache. His top areas of expertise are Stroke, Herniated Disk, CAPOS Syndrome, and Radiation Induced Meningioma.

Dr. Doris Da May Lin is an Associate Professor in the Johns Hopkins Medicine Department of Radiology and Radiological Science. She specializes in neuroradiology. Dr. Lin received her B.A. in chemistry from the University of Pennsylvania, and then pursued a joint M.D./Ph.D. degree at the Yale University School of Medicine, with graduate training in the neurosciences. She completed a medical internship at the University of Pennsylvania Hospital and a diagnostic radiology residency at New York Presbyterian Hospital-Cornell. After a two-year neuroradiology fellowship, she joined the faculty at Johns Hopkins. Dr. Lin is rated as an Experienced provider by MediFind in the treatment of Headache. Her top areas of expertise are Parkes Weber Syndrome, Sturge-Weber Syndrome, Subdural Effusion, CACH Syndrome, and Endovascular Embolization.

Dr. Jenny Hoang is a Professor of Radiology at Johns Hopkins Medicine where she is the Chair of Bayview Radiology. Dr. Hoang earned her M.B.B.S. from the University of Melbourne, completed diagnostic radiology residency at St. Vincent’s Hospital in Melbourne, Australia, and completed fellowships in neuroradiology and cardiothoracic radiology at Duke University Medical Center. Dr. Hoang is a lifelong learner - she graduated with a Masters in Health Science from Duke University. In December 2019 she completed an executive MBA class at the Duke Fuqua School of Business and graduated in the top 10% of her class (Fuqua Scholar). Her career is accentuated by her strong involvement in research and education. She has published more than 110 peer-reviewed articles with a focus on thyroid and parathyroid imaging. She led the American College of Radiology (ACR) efforts in producing a White Paper on Incidental Thyroid Findings and was a core member of the ACR TI-RADS committee for thyroid ultrasound. She serves on several ACR committees including the Incidental Findings Committee. Dr. Hoang is the principal investigator for an ACRIN funded study using ACR's Multicenter Thyroid Ultrasound Registry. She is a popular a faculty lecturer at national and international meetings. She is also well known for actively educating and advocating on Twitter as @JennyKHoang. LinkedIn https://www.linkedin.com/in/JKHoang. Dr. Hoang is rated as an Experienced provider by MediFind in the treatment of Headache. Her top areas of expertise are Hydrocephalus, Meningioma, Normal Pressure Hydrocephalus, and Congenital Cardiovascular Shunt.

Vikash Gupta is a Radiologist in Baltimore, Maryland. Dr. Gupta is rated as an Experienced provider by MediFind in the treatment of Headache. His top areas of expertise are Cholesterol Pneumonia, Pleural Effusion, Pleurisy, Collapsed Lung, and Thrombectomy.

Dr. Guryildirim is an Assistant Professor in Pediatric Radiology and Pediatric Neuroradiology. She earned her medical degree from Hacettepe University and went on to complete her radiology residency at the Gazi University School of Medicine. After residency, she completed a two-year-long fellowship in Neuroradiology at Rush University Medical Center where she was the chief fellow. She then completed a one-year-long fellowship in Advanced Imaging before joining the Rush University Medical Center Neuroradiology faculty. Dr. Guryildirim's research interests focus on functional brain imaging of epilepsy patients, hydrocephalus and headache. Dr. Guryildirim is rated as an Experienced provider by MediFind in the treatment of Headache. Her top areas of expertise are Legius Syndrome, Headache, Moyamoya Disease, Posterior Fossa Decompression, and Endovascular Embolization.

Dr. Sachin K. Gujar is an Assistant Professor and Magnetic Resonance Section Chief in Johns Hopkins Department of Radiology and Radiological Sciences. His area of clinical expertise is Neuroradiology. He earned his M.B.B.S. (medical degree) from Byramjee Jeejeebhoy Medical College in Pune, India. After completing a radiology residency (M.D.) at the same college, he completed a two-year neuroradiology fellowship at the University of Michigan, and subsequently was on faculty at University of Michigan for over 5 years. Dr. Gujar has been a member of the Johns Hopkins Neuroradiology faculty since 2008. Dr. Gujar’s areas of clinical interest include all aspects of adult neuroradiology, including head and neck radiology, spine and spinal cord disorders, and cerebrovascular diseases, with particular interest in brain tumor imaging, physiologic imaging, and Functional MRI. He has published numerous articles on various topics in Neuroradiology. Dr. Gujar is rated as an Experienced provider by MediFind in the treatment of Headache. His top areas of expertise are Normal Pressure Hydrocephalus, Hydrocephalus, Cerebral Arteriovenous Malformation, Stroke, and Microvascular Decompression.

Hazem Hawasli is a Radiologist in Baltimore, Maryland. Dr. Hawasli is rated as an Experienced provider by MediFind in the treatment of Headache. His top areas of expertise are Vertigo, Ascites, Renal Cell Carcinoma (RCC), and Chronic Cough.

Dr. Watkins received a bachelor of arts degree in Psychobiology from Harvard University and a medical doctor degree from the University of Chicago-Pritzker School of Medicine. She completed internship at Georgetown-INOVA Fairfax Hospital followed by a Diagnostic Radiology residency and Neuroradiology fellowship at Johns Hopkins Hospital. Prior to joining Johns Hopkins, Dr. Watkins was a staff Neuroradiologist for Johns Hopkins Howard County Medical Center and the director of the Bethesda outpatient center for American Radiology from 2006-2015. She then served as Sub Chief of Neuroradiology Mid Atlantic Permanente Medical Group from 2015-2016. Dr. Watkins has served as a Neuroradiology course lecturer for the American College of Radiology, case review lecturer for the Radiological Society of North America and a reviewer for the Neuroradiology section of the Radiographics Journal. Dr. Watkins is rated as an Experienced provider by MediFind in the treatment of Headache. Her top areas of expertise are Stroke, Subarachnoid Hemorrhage, Meningioma, and Craniopharyngioma.

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 Experienced provider by MediFind in the treatment of Headache. His top areas of expertise are Arteriovenous Malformation, Moyamoya Disease, Brain Aneurysm, Thrombectomy, and Rhizotomy.

Dr. Marc Paul specializes in diagnostic body imaging with more than 30 years of experience in various private practice settings. Dr. Paul earned his medical degree from the University of Maryland School of Medicine. Following an internal medicine internship and residency at Sinai Hospital, he completed a residency in diagnostic radiology at the University of Louisville School of Medicine. He went on to a fellowship in cross-sectional imaging at the Johns Hopkins University School of Medicine. Dr. Paul joined the diagnostic faculty in March 2022. Dr. Paul is rated as an Experienced provider by MediFind in the treatment of Headache. His top areas of expertise are Gallbladder Disease, Pleurisy, Pleural Effusion, and Progressive Familial Intrahepatic Cholestasis Type 2.

Dr. Haris Sair is Professor in the Johns Hopkins Medicine Department of Radiology and Radiological Science, and the Director of the Division of Neuroradiology. His areas of clinical expertise include functional Magnetic Resonance Imaging (fMRI) of the brain. He also has a faculty appointment in the Malone Center for Engineering in Healthcare at The Whiting School of Engineering, Johns Hopkins University, investigating the use of machine learning and artificial intelligence in imaging. He is a founding director of the Radiology Artificial Intelligence Lab (RAIL). He previously served as the President of the American Society of Functional Neuroradiology. Dr. Sair earned his M.D. from Duke University School of Medicine. He completed his Radiology residency at Temple University Medical Center, and fellowship in Neuroradiology at Massachusetts General Hospital in Boston, MA. Dr. Sair is rated as an Experienced provider by MediFind in the treatment of Headache. His top areas of expertise are Hydrocephalus, Normal Pressure Hydrocephalus, Traumatic Brain Injury, Cerebrospinal Fluid Leak, and Microvascular Decompression.

Dr. Christopher Testa specializes in diagnostic radiology, with 10 years of experience in hospital and private practice settings. Dr. Testa earned his medical degree from Georgetown University School of Medicine. After completing an internship in internal medicine and residency in diagnostic radiology at Saint Vincent Hospital in Worcester, Mass., where he also served as chief resident, he went on to a fellowship in cross-sectional body imaging at the Johns Hopkins Hospital. Dr. Testa joined the Community Radiology Division in the NCR in November 2021. Dr. Testa is rated as an Experienced provider by MediFind in the treatment of Headache. His top areas of expertise are Pleurisy, Pleural Effusion, Nasal Flaring, and Gallbladder Disease.

Carl E. Stafstrom is a pediatric neurologist, caring for children with epilepsy. Dr. Stafstrom received his medical degree from the University of Washington School of Medicine in Seattle, with residencies at the University of Washington Medical Center and Tufts New England Medical Center, as well as fellowships at Harvard for neurology research and Boston Children’s Hospital in clinical neurophysiology, electroencephalography, and epilepsy. Dr. Stafstrom previously served as Professor of Neurology and Pediatrics at the University of Wisconsin-Madison School of Medicine and Public Health and Chief of Pediatric Neurology at American Family Children’s Hospital at UW Madison. Dr. Stafstrom is rated as an Experienced provider by MediFind in the treatment of Headache. His top areas of expertise are Epilepsy, Seizures, West Syndrome, Endovascular Embolization, and Deep Brain Stimulation.

Dr. Arun Venkatesan serves as Director of the Johns Hopkins Encephalitis Center, where he directs clinical activities and research. At the center he has developed a multidisciplinary program devoted to optimizing diagnosis and management of patients with infectious and autoimmune encephalitis and understanding mechanisms of disease in order to develop more effective treatments. He also plays an active role in the Johns Hopkins Multiple Sclerosis and Transverse Myelitis Centers. He received his undergraduate degree in biomedical engineering from the University of California, Berkeley in 1994, followed by a Ph.D. in microbiology and immunology and an M.D. from the University of California, Los Angeles. He completed his residency in neurology and fellowship in neuroinfectious and neuroinflammatory diseases at Johns Hopkins, after which he was appointed to the faculty in the department of neurology in 2007. His laboratory research focuses on defining causes and mechanisms of central nervous system injury in the setting of infection and neuroinflammation, with a goal towards developing protective and regenerative strategies. He has received funding from the National Institutes of Health, Howard Hughes Medical Institute, National Multiple Sclerosis Society, and Maryland Stem Cell Research Fund. Dr. Venkatesan is rated as an Experienced provider by MediFind in the treatment of Headache. His top areas of expertise are Encephalitis, Herpes Simplex Encephalitis, Anti-NMDA Receptor Encephalitis, and Multiple Sclerosis (MS).

Dr. Eric Kossoff focuses on the diagnosis and treatment of childhood seizures and epilepsy, particularly treatments other than medications such as diet and neurostimulation. He is one of the world experts on dietary treatment for epilepsy (ketogenic diet) and lectures around the world about this therapy. His specific interests include the ketogenic diet, the modified Atkins diet for children and adults, infantile spasms, benign rolandic epilepsy, the interaction of migraine headaches with epilepsy, and Sturge-Weber syndrome. Dr. Eric Kossoff is also very involved in teaching and is the Director of the Pediatric Neurology Residency Program. He is a professor of neurology and pediatrics at the Johns Hopkins University School of Medicine. He is a co-author of Treatment of Pediatric Neurologic Disorders and the 7th edition of Ketogenic Diet Therapies. Dr. Kossoff sees patients in the Johns Hopkins Outpatient Center (5th floor) in Baltimore on Tuesday afternoons and Thursday mornings. He sees patients at Green Spring Station on Wednesday afternoons. He also participates in telemedicine. Dr. Kossoff received his medical degree from SUNY at Buffalo School of Medicine in New York. He went on to complete a residency in pediatrics at Eastern Virginia Medical School in Norfolk, Virginia. He completed a second residency in child neurology and a fellowship in pediatric epilepsy and clinical neurophysiology at The Johns Hopkins Hospital in Baltimore. Dr. Kossoff is rated as an Experienced provider by MediFind in the treatment of Headache. His top areas of expertise are Epilepsy, Epilepsy in Children, Seizures, Endovascular Embolization, and Gastrostomy.