Stanford Comprehensive Epilepsy Program Team

Adult Epilepsy

Brandon Westover, MD, PhD
Professor of Neurology & Neurological Sciences
Director of the Neurologic Artificial Intelligence Center
Chief of the Stanford Epilepsy Division

Dr. Westover is a distinguished physician-scientist. He earned a PhD in Physics from Washington University in St. Louis, and his MD from Washington University School of Medicine. He completed his neurology residency through the Mass General Brigham program and pursued fellowship training in epilepsy and clinical neurophysiology at Massachusetts General Hospital. His research group develops machine learning / AI approaches to improve medical care for patients with neurological problems including epilepsy, anoxic brain injury, seizures, cerebral ischemia, delirium, and sleep disorders. He is a co-producer of EEGTalk, author of Pocket Neurology and co-founder of Beacon Biosignals. At Stanford, he serves as Director of the Neurologic Artificial Intelligence Center and Chief of the Stanford Epilepsy Division.


Kimford J. Meador, MD
Professor of Neurology & Neurological Sciences
Director of the Epilepsy Monitoring Unit

Dr. Meador received his MD from the Medical College of Georgia.  After an internship at the University of Virginia and service as an officer in the Public Health Corps, he completed a residency in Neurology at the Medical College of Georgia and a fellowship in Behavioral Neurology at the University of Florida. Dr. Meador is currently the Multi-PI on a multicenter NIH investigation on the pregnancy outcomes in women with epilepsy including neurodevelopmental effect of fetal antiepileptic drug exposure. Dr. Meador has authored over 400 peer-reviewed publications and has served on the editorial boards of numerous journals.


Jessica Falco-Walter, MD
Clinical Associate Professor of Neurology & Neurological Sciences

Dr. Walter received her MD from Georgetown University in Washington, DC. She stayed at Georgetown for her internship in Internal Medicine and then moved to New York City to complete her residency in Neurology at the Icahn School of Medicine at Mount Sinai. She went on to pursue a Clinical Neurophysiology Fellowship at Rush University in Chicago, IL, training in both EEG and EMG. Due to her particular interest in Epilepsy she went on to become the first Epilepsy Fellow at Rush University. Dr. Walter provides clinical care to general neurology patients as well as patients with epilepsy and enjoys teaching residents and medical students. She also has a particular interest in dietary treatments for epilepsy and clinical research.


Robert Fisher, MD, PhD
Maslah Saul MD Professor of Neurology & Neurological Sciences

Robert S. Fisher, MD, PhD is Maslah Saul MD Professor and Director of the Stanford Epilepsy Center and EEG lab. He had research funding or awards from the Klingenstein Foundation, Epilepsy Foundation, CURE, American Society of Clinical Neurophysiology, NIH and NSF. He has published about 230 peer-reviewed articles and 3 books. He has been named every year from 1996 to 2019 in Best Doctors in America.  He received the Ambassador Award from the International League Against Epilepsy, the 2005 American Epilepsy Society Service Award and the 2006 Annual Clinical Research Award. Dr. Fisher is Past-President of the American Epilepsy Society, and has served on the Board of the International League Against Epilepsy and as Editor-in-Chief of the Journal, Epilepsia. He is past Editor-in-Chief of the world’s most visited website about epilepsy, epilepsy.com. Dr. Fisher led the projects to develop a formal definition of who has epilepsy and an update of seizure type classification. His recent research is on new devices to detect and treat seizures. He led the clinical trials on deep brain stimulation for epilepsy and on the next-generation (heart-rate-sensing) vagus nerve stimulation device. Dr. Fisher has additionally won several teaching awards and cares for epilepsy patients in the Stanford Epilepsy Clinics and inpatient epilepsy unit.


Kevin Graber, MD
Clinical Professor of Neurology & Neurological Sciences
Director of Outpatient Epilepsy Clinic

Dr. Kevin Graber earned his MD from Indiana University in 1992 and completed his training in Neurology & Neurological Sciences at Stanford Medical Center. Dr Graber has earned prestigious research awards and has served on several national committees including the American Epilepsy Society, CURE, and Epilepsy Foundation. As a Clinician Educator, Dr. Graber provides clinical care to patients with epilepsy, and teaches fellows, residents, and medical students. Dr. Graber's research is focused on discovering how brain injuries, such as trauma, lead to epilepsy.


Scheherazade Le, MD
Clinical Professor of Neurology & Neurological Sciences

Dr. Scheherazade Le is a Clinical Professor within the Stanford Comprehensive Epilepsy Center who sees all epilepsy patients and is accepting new patient referrals.  She has special expertise in patients who suffer from autoimmune encephalitis with immune-mediated seizures/epilepsy and created Stanford Autoimmune Encephalitis Clinic (AEC).  Dr. Le is also the Adult Clinic Director for the TSC (tuberous sclerosis complex) Alliance Center of Excellence.  Her clinical research is focused on identifying and treating undiagnosed immune-mediated seizures, adult TSC cohort studies,  novel therapies for epilepsy such as laser ablation and neurophysiology techniques.  She is an award-winning clinician educator and is heavily involved in trainee medical education.


Yi Li, MD, PhD
Clinical Associate Professor of Neurology & Neurological Sciences

Dr. Yi Li received her M.D. and Ph.D. from Central South University in China, conducting her Ph.D. research as a visiting graduate student at UCLA. She received two national grants in China to research the role of neurogenesis in animal models of refractory temporal lobe epilepsy. Dr. Li received her residency training from University of Massachusetts Medical School, during which time she received a Safety and Quality Award from the American Academy of Neurology. She then continued her training as an epilepsy clinical and research fellow at Stanford. She is interested in medically refractory epilepsy management, epilepsy clinical research, precision medicine and genetics in epilepsy, and improving quality of patient care.


Martha Morrell, MD
Clinical Professor of Neurology & Neurological Sciences

Dr. Morrell has focused her career on the treatment of patients with epilepsy, including health issues for women with epilepsy. She attended Stanford Medical School, then completed her residency in Neurology and her fellowship in EEG and epilepsy at University of Pennsylvania. After founding the Stanford Comprehensive Epilepsy Center, she moved to Columbia University where she was the Caitlin Tynan Doyle Professor of Epilepsy and Director of the Columbia Comprehensive Epilepsy Center. She returned in 2004 and sees patients in the Epilepsy Clinic. She is currently the Chief Medical Officer for NeuroPace, a company focused on brain stimulation for epilepsy.


Josef Parvizi, MD, PhD
Professor of Neurology & Neurological Sciences
Director of Stanford Program for Intractable Epilepsy

Dr. Parvizi’s clinical training is from Mayo Clinic- Rochester, BIDMC-Harvard University, and UCLA. His major interest is in the study of seizure propagation and treating patients with intractable epilepsy. His special expertise is in detecting the epileptic source in patients with uncontrolled seizures and mapping the brain circuitries that underlie development and spread of seizures. He performs functional brain mapping of the brain during epilepsy surgery evaluations. Dr. Parvizi is also the Director of the Stanford Human Intracranial Cognitive Electrophysiology Program (SHICEP), and is involved in multidisciplinary collaborative research projects with several Stanford principal investigators to understand how different parts of the human brain work and how their function may be broken during seizures.


Babak Razavi, MD, PhD
Clinical Associate Professor of Neurology & Neurological Sciences

Dr. Razavi's clinical interests are in medically refractory epilepsies and using high density EEG (electroencephalogram) for better localization of seizure foci. His research areas include using engineering techniques for analyzing EEGs, medical devices for evaluation and treatment of epilepsy, and using seizures as a model for understanding consciousness.


Zahra Sadat-Hossieny, MD
Clinical Assistant Professor
Neurology & Neurological Sciences

Dr. Sadat received her MD from The George Washington University School of Medicine. She spent two months during medical school in South America and obtained a certificate in global health. She completed her residency in Neurology at The Ohio State University and Fellowship in Epilepsy at Stanford University. She is passionate about providing cutting-edge, personalized and evidence-based care that is delivered with compassion. Her research focuses on developing therapeutics that optimize cognition and improve outcomes for patients with epilepsy and neurologic diseases.


Niyatee Samudra, MD
Clinical Assistant Professor, Neurology & Neurological Sciences

Dr. Niyatee Samudra is a Clinical Assistant Professor of Neurology and Neurological Sciences at Stanford University School of Medicine who completed fellowship training in both epilepsy and clinical neurophysiology at Vanderbilt University Medical Center and behavioral neurology at the University of California, San Francisco. She leads a Stanford clinic dedicated to the care of older adults with epilepsy and has clinical and research interests in the cognitive and neuropsychiatric consequences of epilepsy. Her research interests include clinical trials in epilepsy and efforts to improve outcomes and quality of life for people living with epilepsy and neurodegenerative disease. 


Erica Von Stein, MD
Clinical Assistant Professor

Erica graduated summa cum laude with a B.E. in Biomedical Engineering from Vanderbilt University, where she attended on a 4-year full tuition merit scholarship. She earned her M.D. from the University of Pennsylvania Perelman School of Medicine. At Penn she was awarded a Guggenheim Neurosurgery Research Fellowship. She completed her internship at Cedars-Sinai Medical Center followed by Neurology residency and Epilepsy fellowship at Stanford. Her research interests broadly include brain-computer interface, surgical epilepsy, network neuroscience, comparative epilepsy.


Mishu Chandra, MD
Clinical Assistant Professor
Neurology & Neurological Sciences

Instructors

Jerry Chen, MD
Clinical Instructor

Jerry earned his undergraduate degree in the Biological Basis of Behavior at the University of Pennsylvania. He received his MD from the Wayne State University School of Medicine and subsequently completed his neurology residency at NYU Langone. His current interests include functional imaging techniques in neuronal mapping and treatment planning, epilepsy devices and their role in neuromodulation, and emerging drug research for refractory epilepsy. Originally from Salt Lake City, Utah, outside of work, he enjoys hiking, playing basketball, and exploring local breweries. 

Adult Epilepsy Fellows

Chaitanya Ganne, MD, PhD
Epilepsy Fellow

Chaitanya Ganne, MBBS, PhD is a Neurology Resident at the University of Texas Health Science Center at Houston (UTHealth) and a physician-scientist at the Texas Institute of Restorative Neurotechnologies (TIRN). He completed an intracranial EEG fellowship at UTHealth. He earned his medical degree from Kempegowda Institute of Medical Sciences and earned a dual PhD in neuroscience at the National Institute of Mental Health and Neurosciences and Maastricht University. His research focuses on thalamocortical network dynamics, neuromodulation for drug-resistant epilepsy, integrating intracranial EEG, imaging, and machine learning. Outside of medicine, he enjoys cycling, badminton, sketching, and music.


Olivia Marais, MD
CNP/Epilepsy Fellow

Olivia earned her undergraduate degree in Chemical & Biological Engineering at the University of British Columbia (UBC) in Vancouver, Canada. She stayed at UBC for medical school and Neurology residency. She is interested in epilepsy surgery, devices for epilepsy, and transition from pediatric to adult epilepsy care. In her spare time, she enjoys walking her dog, reading science fiction, and gardening.


Matheus Otero, MD
Epilepsy Fellow

Matheus earned his medical degree from Universidade Salvador (UNIFACS) in Brazil and completed his internal medicine internship and adult neurology residency at the Icahn School of Medicine at Mount Sinai in New York City. His clinical and academic interests include surgical epilepsy, neuromodulation, and intraoperative neurophysiology, with a focus on real-time biomarkers, network-level epilepsy modeling, and technology-enabled precision therapy. Prior to residency, he was a research scholar in the Amorim Lab at the University of California, San Francisco, where he worked on EEG and ECoG analysis, multimodal neurocritical care datasets, quantitative MRI, and outcomes research in cardiac arrest and traumatic brain injury, shaping his interest in innovation at the intersection of physiology, data, and clinical care. He is particularly excited by the convergence of epilepsy, neurotechnology, and data science, including digital biomarker discovery and adaptive neuromodulation. Outside of work, Dr. Otero enjoys hiking, traveling, photography, and music, and values spending time in culturally rich environments.


Cynthia C. Peng, MD
Epilepsy Fellow

Cynthia earned her undergraduate degree in Cell Biology and Neuroscience, with a minor in Music, from Rutgers University, and went on to receive her MD from Georgetown University. She completed her adult neurology residency at Stanford, where she was actively engaged in quality improvement and advocacy initiatives focused on advancing health equity. Her clinical and research interests include genetic epilepsies and improving care for sexual and gender minority patients. She is particularly drawn to epilepsy for its diagnostic complexity and the opportunity to build long-term, meaningful relationships with patients. Outside of medicine, she enjoys coastal hikes and beach days with her dog, cuddles with her cat, as well as exploring local wineries.


Jonathan Zia, MD, PhD
Epilepsy Fellow

Jon earned his undergraduate and doctoral degrees in Electrical Engineering from Arizona State University and Georgia Tech respectively. He earned his MD from Emory University. He is interested in the nexus of engineering, innovation, and neurology. His research experience has centered on developing medical devices and on medical applications of artificial intelligence (A.I.) and advanced computing. As a Stanford resident, he was drawn to epilepsy due to the transformative potential that engineering innovation has in the field. In the future, he hopes to continue his engineering research, with a focus on translating technologies from the proverbial bench to the bedside. Outside of work, he is an avid tinkerer and girl dad.

Neurophysiology EEG Fellow

Graham McLeod, MD
CNP/EEG Fellow

Graham McLeod, MD, FRCPC, earned his medical degree at the University of Manitoba and completed neurology residency at the University of Calgary. He has received the Young Investigator Award from the American Clinical Neurophysiology Society and the Mary Anne Lee Award from the Canadian League Against Epilepsy for research in sleep and epilepsy, and was part of the first group to directly record cortical spreading depression during a migraine in a human. His research interests include sleep-epilepsy interactions, intracranial EEG for the study of consciousness and seizure dynamics, and human versus AI perception in medical image analysis. Outside of medicine, he enjoys music, reading, and hiking.

Advanced Practice Providers

Mimi Callanan, RN, MSN, ACNS-BC
Epilepsy Clinical Nurse Specialist

Ms. Callanan has many years experience as a Clinical Nurse Specialist in Epilepsy. She has been in this role at Stanford since the Center opened in 1990. She received her undergraduate degree at St Louis University and her graduate degree at the University of Pennsylvania.  She is a past member of the Professional Advisory Board of the Epilepsy Foundation of America. She is a past President of the Epilepsy Society of San Francisco and was on the Board of Directors of the Epilepsy Foundation of Northern California. She is author of several publications pertaining to education of patients and families about epilepsy, and to the impact of epilepsy on life.


Tenzin D. Lama, DNP, FNP, CNL, RN
Nurse Practitioner

Tenzin Lama received her DNP (Doctor of Nursing Practice) with Family Nurse Practitioner degree from University of San Francisco. She has also received her MSN- CNL (Clinic Nurse Leader) from the same university. Tenzin joined the Stanford Comprehensive Epilepsy Center in 2016 and has been working as a Nurse Practitioner in providing care and coordination of services for patients with Epilepsy.