Keith Horvath is a Thoracic Surgeon in Baltimore, Maryland. Dr. Horvath is rated as a Distinguished provider by MediFind in Transmyocardial Revascularization. His top areas of expertise are Heart Tumor, Endocardial Fibroelastosis, Aortic Regurgitation, Transmyocardial Revascularization, and Heart Transplant.

Wayne Olan is a Neuroradiologist and a Radiologist in Rockville, Maryland. Dr. Olan is rated as an Advanced provider by MediFind in Transmyocardial Revascularization. His top areas of expertise are Brain Aneurysm, Stroke, Sacroiliac Joint Disease, Vertebroplasty, and Stent Placement. Dr. Olan is currently accepting new patients.

L. Fernando Gonzalez, M.D., is a cerebrovascular neurosurgeon trained in both open vascular surgery and minimally invasive endovascular approaches. He treats patients with vascular blockages, malformations and ruptures in the brain and spine, including aneurysms, strokes and arteriovenous malformations. He also specializes in delivering chemotherapy through the arteries of the brain for treatment of certain eye cancers, such as retinoblastomas — the most common eye cancer in children — and lacrimal gland carcinomas. Dr. Gonzalez sees patients at The Johns Hopkins Hospital and Johns Hopkins Bayview Medical Center. Dr. Gonzalez earned his medical degree from Pontificia Universidad Javeriana in Bogota, Colombia, where he also completed residency training in neurosurgery. He completed a neurosurgery research fellowship at Barrow Neurological Institute in Phoenix, Arizona, with a focus on skull base, vascular and microanatomy microsurgery. Dr. Gonzalez continued his training at Barrow by completing a second residency, during which he pursued additional fellowships in spine surgery, endovascular neurosurgery, and cerebrovascular and skull base surgery. Dr. Gonzalez is widely published in his field and actively pursues novel approaches to treatment. He invented an aspiration catheter with an attached guidewire, and a surgical retractor for minimally invasive brain surgery. He is also a co-inventor of a direct cerebral cooling device that allows clinicians to decrease cerebral temperature to protect the brain when needed after cardiac arrest, severe trauma or large strokes. Videos Meet Our Expert: L. Fernando Gonzalez, M.D.Cerebrovascular Neurosurgery. Dr. Gonzalez is rated as an Advanced provider by MediFind in Transmyocardial Revascularization. His top areas of expertise are Brain Aneurysm, Subarachnoid Hemorrhage, Stroke, Stent Placement, and Transmyocardial Revascularization.

Vandana Sachdev is a Cardiologist in Bethesda, Maryland. Dr. Sachdev is rated as an Advanced provider by MediFind in Transmyocardial Revascularization. Her top areas of expertise are Alkaptonuria, Carney Complex, Heart Tumor, Alstrom Syndrome, and Transmyocardial Revascularization.

William Ashley is a Neurosurgery provider in Hagerstown, Maryland. Dr. Ashley is rated as an Advanced provider by MediFind in Transmyocardial Revascularization. His top areas of expertise are Stroke, Subarachnoid Hemorrhage, Apoplexy, Transmyocardial Revascularization, and Stent Placement. Dr. Ashley is currently accepting new patients.

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

Marcella Wozniak is a Neurologist in Baltimore, Maryland. Dr. Wozniak is rated as an Advanced provider by MediFind in Transmyocardial Revascularization. Her top areas of expertise are Stroke, MELAS Syndrome, Primary Localized Cutaneous Amyloidosis, Thrombectomy, and Stent Placement. Dr. Wozniak is currently accepting new patients.

Prachi Mehndiratta is a Neurologist in Baltimore, Maryland. Dr. Mehndiratta is rated as an Advanced provider by MediFind in Transmyocardial Revascularization. Her top areas of expertise are Stroke, Cerebral Amyloid Angiopathy, Kuru, Transmyocardial Revascularization, and Stent Placement. Dr. Mehndiratta is currently accepting new patients.

Timothy Miller is a Neuroradiologist and a Radiologist in Baltimore, Maryland. Dr. Miller is rated as an Advanced provider by MediFind in Transmyocardial Revascularization. His top areas of expertise are Brain Aneurysm, Meningioma, Cerebral Arteriovenous Malformation, Stent Placement, and Transmyocardial Revascularization.

Samuel Raouf is a Neurologist and an Intensive Care Medicine provider in Baltimore, Maryland. Dr. Raouf is rated as an Advanced provider by MediFind in Transmyocardial Revascularization. His top areas of expertise are Stroke, Apoplexy, Cerebral Arteriovenous Malformation, Transmyocardial Revascularization, and Stent Placement. Dr. Raouf is currently accepting new patients.

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

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 Experienced provider by MediFind in Transmyocardial Revascularization. His top areas of expertise are Brain Aneurysm, Arteriovenous Malformation, Cerebral Arteriovenous Malformation, Thrombectomy, and Carotid Artery Surgery.

Dr. Abhishek Srinivas received his medical degree from the Johns Hopkins School of Medicine in 2006. He completed his diagnostic radiology residency at the Montefiore Medical Center of the Albert Einstein College of Medicine in New York in 2011. This was followed by a fellowship in Vascular and Interventional Radiology at the Johns Hopkins University School of Medicine in 2012. Prior to joining Johns Hopkins as faculty, Dr. Srinivas established an interventional oncology practice serving much of central New Jersey, and a local hub for patients affiliated with Hahnemann University Hospital’s liver transplant program in Philadelphia. During this time, Dr. Srinivas was also part of the neuroradiology team for the hospital’s stroke center. His primary areas of expertise include interventional oncology (liver, kidney and bone cancers), vascular disease (deep vein thrombosis, pulmonary embolism, aneurysm treatment), uterine fibroid embolization, spine interventions, and advanced biliary interventions. Other interests include novel device evaluation and development. Videos Abhishek Srinivas, M.D. Selected Publications Chang SW, Srinivas A, Murphy KP. Chapter 5: Endovascular Management of a Patient After SAH. Bhardwaj A, Alkayed NJ, Kirsch JR, et al. Acute Stroke: Bench to Bedside. Chapter 5, 53 – 61. New York: Marcel Dekker. Copyright 2007, informa Healthcare USA inc. Farinhas, J, Srinivas A, Gulko E, Bello J. Chapter 4: Imaging of the Spine and Spinal Cord. Kirshblum S, Campagnolo D, DeLisa JA, Spinal Cord Medicine 2nd Edition. Lippincott, Williams, & Wilkins (Copyright 2011) Gailloud P, Srinivas A, Chang SW, Murphy KP. Morgan RH. Percutaneous Vertebroplasty in a Sitting Patient. Journal of Vascular and Interventional Radiology. 2005 Nov; 16(11):1558-9 Mahadevia AA, Weiland D, Kvamme P, Murphy KP, Srinivas A, Wyse G. Polymethylmethacrylate contact dermatitis after vertebroplasty. Journal of Vascular and Interventional Radiology 2007 Apr;18(4):585 Srinivas A, Chang SW, Gailloud P. Chapter 33: Diagnosis and Treatment of Cerebral Arteriovenous Malformations. Bhardwaj A, Alkayed NJ, Kirsch JR, et al. Acute Stroke: Bench to Bedside. Chapter 33, 397 – 404. New York: Marcel Dekker. Copyright 2007, informa Healthcare USA inc. Dr. Srinivas is rated as an Experienced provider by MediFind in Transmyocardial Revascularization. His top areas of expertise are Bile Duct Obstruction, Ascites, Jaundice, Liver Embolization, and Bone Graft.

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 Experienced provider by MediFind in Transmyocardial Revascularization. Her top areas of expertise are Stroke, Apoplexy, Transient Ischemic Attack (TIA), Thrombectomy, and Gastrostomy.

Risheng Xu, M.D., Ph.D., is a fellowship-trained neurosurgeon with expertise in cerebrovascular and endovascular neurosurgery, and skull base pathologies. He treats patients with a wide range of cerebrovascular disorders such as cerebral aneurysms, subarachnoid hemorrhage, arteriovenous malformations, arteriovenous fistulas, carotid stenosis, cavernous malformations and moyamoya disease. He also treats skull base tumors such as acoustic neuromas (vestibular schwannomas) and meningiomas, and pain disorders such as trigeminal neuralgia. Dr. Xu completed his undergraduate studies at Harvard College, and attended medical school at the Johns Hopkins University School of Medicine, where he also obtained a Ph.D. in pharmacology and molecular sciences. He continued his residency training in neurosurgery at Johns Hopkins, and remained there to complete a fellowship in cerebrovascular and endovascular neurosurgery. Dr. Xu has been active in research throughout his training and has authored and co-authored numerous published studies. His basic science research endeavors focus on neuroinflammation after ischemic stroke and molecular mechanisms underlying trigeminal neuralgia. He has authored or co-authored over 100 manuscripts, and has published in journals such as Nature, Nature Communications, Science Advances, Science Signaling, Neuron, the Proceedings of the National Academy of Sciences (PNAS), the Journal of Neurosurgery, Neurosurgery and other journals. Clinically, he studies the long-term outcomes of patients with cerebrovascular disorders and trigeminal neuralgia. Dr. Xu is rated as an Experienced provider by MediFind in Transmyocardial Revascularization. His top areas of expertise are Brain Aneurysm, Subarachnoid Hemorrhage, Stroke, Transmyocardial Revascularization, and Stent Placement.

Dr. Brian G. Johnson is the chief of interventional radiology at Sibley Memorial Hospital. Dr. Johnson practices out of Sibley Memorial Hospital in Washington, D.C., Suburban Hospital in Bethesda, MD and the Johns Hopkins Hospital in Baltimore, MD. Dr. Johnson graduated summa cum laude from University of Minnesota prior to earning his medical degree from Johns Hopkins University School of Medicine. He completed a residency in physical medicine and rehabilitation at Sinai Hospital of Baltimore, as well as a residency in diagnostic radiology at the University of Maryland Medical Center. Dr. Johnson also completed an interventional radiology fellowship at Johns Hopkins University. Dr. Johnson has been repeatedly named a Top Doctor by Washingtonian Magazine, as well as a Top MD by Consumers' Checkbook Magazine. He is a member of the American College of Radiology and the Society of Interventional Radiology. Videos Brian Johnson, M.D.Interventional Radiology Selected Publications Neuromodulatory effect of the atrial natriuretic factor clearance receptor binding peptide, cANF(4-23)-NH2 in the rabbit isolated vas deferentia, Johnson BG, Trachte GJ, Drewett JG, J Pharm & Exp Ther - 1/1/1991 Percutaneous Management of Renal and Renal-Pancreas Transplant Recipients Using CT Fluoroscopy: A Two Year Experience. Krebs TL, Johnson BG, Daly BD, Wong-You-Chong JJ, Bartlett ST, Radiological Society of North America Meeting, Chicago, IL - 1/29/1998 The hexagonal cell nitinol intravascular stent: a comparison of the effects of varying the stent wire gauge on the aorta and inferior vena cava in the swine animal model. Kuo J, Johnson BG, Venbrux AC, Olson JL, Samphilipo MA, Magee CA, Kobelja MA, Anderson JH, Osterman FA, American Roentgen Ray Society Annual Meeting, New Orleans, LA - 1/24/1994 The role of anticoagulation in the setting of a tethered vena cava filter in the swine animal model. Johnson BG, Reichle RL, Venbrux AC, Samphilipo MA, Magee CA, Anderson JH, Osterman FA, Society for Cardiovascular and Interventional Radiology Annual Meeting, Fort Lauderdale, FL - 1/1/1995. Dr. Johnson is rated as an Experienced provider by MediFind in Transmyocardial Revascularization. His top areas of expertise are Pancreatic Cancer, Familial Pancreatic Cancer, Bile Duct Obstruction, Vertebroplasty, and Bone Graft.

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 Experienced provider by MediFind in Transmyocardial Revascularization. His top areas of expertise are Stroke, Cerebral Amyloid Angiopathy, Siderosis, Thrombectomy, and Gastrostomy.

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 Transmyocardial Revascularization. His top areas of expertise are Stroke, Concussion, Delirium, Thrombectomy, and Endovascular Embolization.

Dr. Bhagat is an interventional radiologist serving as the director of Vascular and Interventional Radiology of the National Capital Region. His primary areas of clinical expertise are interventional oncology (chemoembolization, radioembolization, and ablation), women's interventions, and vascular interventions (venous and arterial). Dr. Bhagat sees patients at both Suburban Hospital and Sibley Memorial Hospital. His research interests include interventional oncology, especially device development and software assistance for complex procedures. Dr. Bhagat successfully completed his Vascular and Interventional Radiology fellowship at the University of California, San Francisco in 2009. He joined the staff as an Assistant Professor of Radiology and Surgery at the Johns Hopkins University School of Medicine. While there, he authored more than 5 book chapters and 20 peer-reviewed manuscripts as well as giving many lectures at national and international meetings. In his second year at Johns Hopkins, he received a NIH R01 grant. Videos Nikhil Bhagat, M.D. Dr. Bhagat is rated as an Experienced provider by MediFind in Transmyocardial Revascularization. His top areas of expertise are Ascites, Familial Pancreatic Cancer, Small Cell Lung Cancer (SCLC), Liver Embolization, and Gastrostomy.

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 Transmyocardial Revascularization. His top areas of expertise are Vertigo, Stroke, Pica, Gastrostomy, and Stent Placement.