Dr. Smyth is chief of the pediatric neurosurgery division at Johns Hopkins All Children’s Hospital and director of the pediatric neurosurgery fellowship program. His specialties include pediatric neurosurgery, with sub-specialization in pediatric epilepsy surgery and craniofacial surgery with an emphasis on minimally invasive techniques. In addition, Dr. Smyth is a professor of neurosurgery in the Johns Hopkins University School of Medicine. Before joining the Johns Hopkins All Children’s medical staff, Dr. Smyth was the Appoline Blair Professor of Neurological Surgery and Pediatrics at St. Louis Children’s Hospital and Washington University School of Medicine in St. Louis. Dr. Smyth earned his medical degree from the University of California, San Francisco School of Medicine. He completed a general surgery internship in the Department of Surgery at the University of California, Irvine. He then completed a residency in the Department of Neurological Surgery at the University of California in San Francisco, where he was chief resident. Dr. Smyth completed a pediatric neurosurgery fellowship at the Children’s Hospital of Alabama, Department of Neurological Surgery at the University of Alabama at Birmingham. Dr. Smyth is rated as an Advanced provider by MediFind in the treatment of Cortical Dysplasia. His top areas of expertise are Craniosynostosis, Syringomyelia, Chiari Malformation Type 1, Posterior Fossa Decompression, and Craniectomy.

Dr. Jallo is the vice dean and physician-in-chief at Johns Hopkins All Children's Hospital. He also is the David M. Goldenberg Family Endowed Chair in the Institute for Brain Protection Sciences and a professor of neurosurgery, pediatrics and oncology with Johns Hopkins University School of Medicine. Dr. Jallo joined Johns Hopkins in 2003 as a pediatric neurosurgeon. In 2013, he became the pediatric neurosurgery division director at The Johns Hopkins Hospital in Baltimore. Dr. Jallo moved to Johns Hopkins All Children's in 2015 to launch the Institute for Brain Protection Sciences, a multidisciplinary institute that unites clinicians, researchers and educators focused on promoting optimal neurodevelopment and caring for children with injuries and illnesses that can affect the brain. His areas of expertise include tumors of the brain and spinal cord, intraoperative neurophysiological monitoring for eloquent tumors, use of minimally invasive technologies such as endoscopy and keyhole surgery and surgical treatment of epilepsy. Dr. Jallo has published more than 245 peer-reviewed scientific articles, 89 book chapters and is co-editor of five textbooks on pediatric neurosurgery, pediatric epilepsy surgery and neuroendoscopy. In addition, Dr. Jallo has been principal investigator for NIH and private foundation grants focused on treatment of pediatric central nervous system tumors and other neurosurgical challenges. Dr. Jallo earned his medical degree at the University of Virginia Medical School and completed his residency in neurosurgery at New York University Medical Center and fellowship in pediatric neurosurgery at Beth Israel Medical Center, Institute for Neurology and Neurosurgery, in New York. Dr. Jallo is rated as an Experienced provider by MediFind in the treatment of Cortical Dysplasia. His top areas of expertise are Ependymoma, Spinal Tumor, Subependymoma, Posterior Fossa Decompression, and Laminectomy.

Dr. Hernandez is a pediatric neurologist and epileptologist, and chief of pediatric neurology at Johns Hopkins All Children’s Hospital in St. Petersburg, Florida. He joined the hospital staff in 2024. He was previously division chief of neurosciences and epilepsy, as well as medical director of the Jack H. Miller Magnetoencephalography Center, at Helen DeVos Children’s Hospital in Grand Rapids, Michigan. He was also a professor in the Michigan State University College of Human Medicine Department of Pediatrics in Grand Rapids. Dr. Hernandez has published numerous peer-reviewed articles and given many talks nationally and internationally. Dr. Hernandez earned his medical degree at Ponce Health Sciences University in Ponce, Puerto Rico. He completed a pediatric residency at Western Michigan University School of Medicine in Kalamazoo, a child neurology residency at University of Pittsburgh Medical Center and the Children’s Hospital of Pittsburgh, and a pediatric epilepsy and clinical neurophysiology fellowship at University of Pittsburgh Medical Center and the Children’s Hospital of Pittsburgh. Videos Meet Angel Hernandez, M.D. Dr. Hernandez is rated as an Experienced provider by MediFind in the treatment of Cortical Dysplasia. His top areas of expertise are Autosomal Dominant Nocturnal Frontal Lobe Epilepsy (ADNFLE), Seizures, Memory Loss, and Partial Seizure.

Dr. Alexander is a diagnostic radiologist at Johns Hopkins All Children’s. She sees patients on the hospital’s St. Petersburg, Florida, campus. She joined the medical staff in 2025. She was previously a radiologist at Boston Children’s Hospital. Dr. Alexander earned her medical degree from the University of Kansas School of Medicine in Wichita. She completed a diagnostic radiology residency at the University of Missouri in Kansas City. She then completed a diagnostic pediatric radiology fellowship followed by a pediatric musculoskeletal radiology fellowship at Boston Children’s Hospital. Dr. Alexander is rated as an Experienced provider by MediFind in the treatment of Cortical Dysplasia. Her top areas of expertise are Scoliosis, Osteochondritis Dissecans, Knock Knees, and Caffey Disease.

Diana Marin is a Radiologist in Saint Petersburg, Florida. Dr. Marin is rated as an Experienced provider by MediFind in the treatment of Cortical Dysplasia. Her top areas of expertise are Familial Short Stature (FSS), Idiopathic Short Stature (ISS), Short Stature (Growth Disorders), and Scoliosis.

Saba Ahmad is a Pediatric Neurologist in St Petersburg, Florida. Dr. Ahmad is rated as an Experienced provider by MediFind in the treatment of Cortical Dysplasia. Her top areas of expertise are Cortical Dysplasia, Tuberous Sclerosis, Tuberous Sclerosis Complex, and Seizures.

Erasmo Passaro is a Neurologist in Saint Petersburg, Florida. Dr. Passaro is rated as an Experienced provider by MediFind in the treatment of Cortical Dysplasia. His top areas of expertise are Memory Loss, Seizures, Generalized Tonic-Clonic Seizure, and Subependymoma.

Erin Petti is a Nurse Practitioner specialist and a Pediatric Neurologist in St Petersburg, Florida. Ms. Petti is rated as an Experienced provider by MediFind in the treatment of Cortical Dysplasia. Her top areas of expertise are Transient Tic Disorder, Autism Spectrum Disorder, Genetic Epilepsy with Febrile Seizures Plus (GEFS+), and Aphantasia.

Gerald Tuite is a Neurosurgery provider in St Petersburg, Florida. Dr. Tuite is rated as an Experienced provider by MediFind in the treatment of Cortical Dysplasia. His top areas of expertise are Chiari Malformation, Chiari Malformation Type 1, Syringomyelia, Posterior Fossa Decompression, and Spinal Fusion.

Carolyn Carey is a Neurosurgery provider in St Petersburg, Florida. Dr. Carey is rated as an Experienced provider by MediFind in the treatment of Cortical Dysplasia. Her top areas of expertise are Subdural Effusion, Increased Head Circumference, Hydrocephalus, Myelomeningocele, and Posterior Fossa Decompression. Dr. Carey is currently accepting new patients.

Amarilis Sanchez-Valle is a Medical Genetics provider in Saint Petersburg, Florida. Dr. Sanchez-Valle is rated as an Experienced provider by MediFind in the treatment of Cortical Dysplasia. Her top areas of expertise are Phenylketonuria (PKU), Early Infantile Epileptic Encephalopathy, Dihydropteridine Reductase Deficiency, and Maternal Hyperphenylalaninemia. Dr. Sanchez-Valle is currently accepting new patients.

Marcos Cruz is a Pediatric Neurologist in Largo, Florida. Dr. Cruz has been practicing medicine for over 24 years and is rated as an Experienced provider by MediFind in the treatment of Cortical Dysplasia. His top areas of expertise are Cervical Myelopathy, Seizures, Generalized Tonic-Clonic Seizure, and Benign Rolandic Epilepsy.

Sunil Reddy is a Neurologist in Tampa, Florida. Dr. Reddy is rated as an Experienced provider by MediFind in the treatment of Cortical Dysplasia. His top areas of expertise are Migraine, Familial Neurocardiogenic Syncope, Restless Legs Syndrome, and Peripheral Neuropathy. Dr. Reddy is currently accepting new patients.

Nisha Pradeep is a Neurologist in Tampa, Florida. Dr. Pradeep is rated as an Experienced provider by MediFind in the treatment of Cortical Dysplasia. Her top areas of expertise are Migraine, Vitamin B12 Deficiency Anemia, Subacute Combined Degeneration, and Neuralgia. Dr. Pradeep is currently accepting new patients.

Linga Reddy is a Neurologist in Tampa, Florida. Dr. Reddy is rated as an Experienced provider by MediFind in the treatment of Cortical Dysplasia. His top areas of expertise are Peripheral Neuropathy, Memory Loss, Migraine, and Obstructive Sleep Apnea. Dr. Reddy is currently accepting new patients.

Eric Vernier is a Pediatric Neurologist in Tampa, Florida. Dr. Vernier is rated as an Experienced provider by MediFind in the treatment of Cortical Dysplasia. His top areas of expertise are Autism Spectrum Disorder, Generalized Tonic-Clonic Seizure, Oppositional Defiant Disorder (ODD), and Leigh Syndrome. Dr. Vernier is currently accepting new patients.