Dr. Stapleton is the division chief of oncology and director of pediatric neuro-oncology at Johns Hopkins All Children’s Hospital. Dr. Stapleton joined the hospital in 2007. She has formal training in pediatric neuro-oncology. She received the Armstrong Award for Quality and Patient Safety for Johns Hopkins All Children's in the 2024 Johns Hopkins Medicine Clinical Awards. Dr. Stapleton is on the Pediatric Palliative Care Team at Johns Hopkins All Children’s, and she specializes in symptom control and end of life care. She has been awarded numerous grants for phase I studies for patients with brain and spinal cord tumors as well as clinical research in pediatric palliative care. Dr. Stapleton’s research experience includes investigator-initiated and multi-center research projects. Dr. Stapleton is an associate professor of pediatrics at the University of South Florida and an assistant professor in the department of pediatrics at Johns Hopkins University. Dr. Stapleton completed her medical training at St. Louis University School of Medicine, residency training at Lackland Air Force Base in Texas and fellowship training at Baylor College of Medicine/Texas Children’s Hospital. Dr. Stapleton also served 13 years in the United States Air Force. Dr. Stapleton is a member of the American Board of Pediatrics, the Children’s Oncology Group, the Society of Neuro-Oncology, American Society of Pediatric Hematology/Oncology, and America Academy of Hospice and Palliative Medicine. Dr. Stapleton is highly rated in 11 conditions, according to our data. Her top areas of expertise are Medulloblastoma, Embryonal Tumor with Multilayered Rosettes, Glioma, Histiocytosis, and Bone Marrow Aspiration.

Dr. Sally Mitchell is a Professor in the Johns Hopkins Medicine Department of Radiology and Radiological Science and an Associate Professor in the Department of Pediatrics. Her areas of clinical expertise include pediatric interventional, vascular anomalies, hereditary hemorrhagic telangiectasia (HHT) management of pulmonary arteriovenous malformations, varicocele embolization and evaluation of pediatric renovascular hypertension. Dr. Mitchell serves as the Medical Director of Johns Hopkins HHT Center, the Director of Vascular Anomalies Interventional, the Director of Pediatric Interventional and Associate Director of Interventional Radiology Center at the Johns Hopkins School of Medicine. Dr. Mitchell graduated summa cum laude from Ohio University and completed her medical training with an M.D. from Ohio State University. After her residency in diagnostic radiology at the University of Cincinnati, she completed a fellowship there in computed tomography (CT), ultrasound and interventional radiology. She continued subspecialty training at Johns Hopkins in interventional radiology and subsequently joined the faculty. Dr. Mitchell's research interests include vascular malformations and HHT. Dr. Mitchell is a Fellow of the Society of Cardiovascular and Interventional Radiology and Fellow of the Cardiovascular and Interventional Society of Europe. She is a member of the International Society for the Study of Vascular Anomalies, the American College of Radiology and the Radiological Society of North America. Dr. Mitchell is highly rated in 4 conditions, according to our data. Her top areas of expertise are Pulmonary Arteriovenous Malformation (PAVM), Pulmonary Arteriovenous Fistula, Arteriovenous Malformation, and Congenital Arteriovenous Shunt.

Dr. Katz is the Medical Director of the Sleep Center at Johns Hopkins All Children’s Hospital. He joined the medical staff in 2023. He sees patients at the main campus in St. Petersburg, Florida, as well as at Johns Hopkins All Children’s Outpatient Care, Sarasota. Dr. Katz earned his medical degree from McGill University. He completed his internship and residency in pediatrics at the University of California, Irvine Medical Center. He also completed a fellowship in pediatric pulmonology at the Johns Hopkins University School of Medicine in Baltimore, Maryland. His clinical interests include sleep-disordered breathing, infant breathing disturbances and hypersomnia. His research interests are focused on the pathophysiology of obstructive sleep apnea in children. Dr. Katz is highly rated in 4 conditions, according to our data. His top areas of expertise are Obstructive Sleep Apnea, Micrognathia, Cerebral Hypoxia, Adenoidectomy, and Gastrostomy.

Dr. Ortiz is a physician in the Sleep Center at Johns Hopkins All Children’s Hospital. He joined the medical staff in 2018. He sees patients at the main campus in St. Petersburg, Florida, as well as at Johns Hopkins All Children’s Outpatient Care, East Lake. Dr. Ortiz earned his medical degree from the University of Rochester. He completed his residency in internal medicine and pediatrics at the Charleston Area Medical Center. He also completed a fellowship in pediatric pulmonology at the Johns Hopkins University School of Medicine in Baltimore, Maryland. He also completed a fellowship in sleep medicine at the Children’s Hospital of Philadelphia and the Hospital of the University of Pennsylvania in Philadelphia. His clinical interests include narcolepsy, hypersomnia, obstructive sleep apnea, and skeletal dysplasias. His research interests include examining the interaction of sleep disorders on chronic pediatric diseases such bronchopulmonary dysphasia, asthma, and developmental delay. He has worked extensively in creating educational content for people with narcolepsy as well as advocating for patients with rare diseases. Recent News Articles and Media Coverage Back to school sleep routine, WTSP -TV (August 4, 2022) Sleep expert tackles back-to-school bedtime help, WTSP -TV (August 3, 2021) Melatonin overdoses in children increase over last 10 years, study finds, WTVT - TV (June 7, 2022) Melatonin poisonings skyrocket, WTVT - TV (July 7, 2022). Dr. Ortiz is highly rated in 3 conditions, according to our data. His top areas of expertise are Narcolepsy, Drowsiness, Excessive Daytime Sleepiness, and Obstructive Sleep Apnea.

Dr. Zetoony is a physician in the Sleep Center at Johns Hopkins All Children’s Hospital. She earned her doctorate of osteopathic medicine from the Philadelphia College of Osteopathic Medicine. She completed an internship and a residency in internal medicine at Northside Hospital and the Tampa Bay Heart Institute in St. Petersburg, Florida. She then completed a fellowship in pulmonary and critical care medicine at Botsford General Hospital in Farmington Hills, Michigan, and a fellowship in sleep medicine at the University of Medicine & Dentistry of New Jersey. Dr. Zetoony is highly rated in 3 conditions, according to our data. Her top areas of expertise are Obstructive Sleep Apnea, Central Sleep Apnea, Narcolepsy, and Chronic Obstructive Pulmonary Disease (COPD).

Brian Baigorri is a Pediatric Radiologist and a Pediatrics provider in St Petersburg, Florida. Dr. Baigorri has been practicing medicine for over 18 years is highly rated in 5 conditions, according to our data. His top areas of expertise are Pleurisy, Pleural Effusion, Ascites, Gastrostomy, and Ureteral Reconstruction.

Amit Daftari is a Pediatrics provider in St Petersburg, Florida. Dr. Daftari has been practicing medicine for over 17 years is highly rated in 3 conditions, according to our data. His top areas of expertise are Pleural Effusion, Ascites, Pleurisy, CAPOS Syndrome, and Bone Marrow Aspiration.

Meral Gunay-Aygun is a professor of pediatrics and genetic medicine at Johns Hopkins University School of Medicine. Dr. Gunay-Aygun specializes in the diagnosis and treatment of children and adults with inherited metabolic diseases including diagnostic evaluation and follow-up of newborns with abnormal newborn screens for inherited metabolic diseases. After serving 14 years as an attending physician at The Johns Hopkins Hospital in Baltimore, she joined the medical staff of Johns Hopkins All Children’s Hospital in St. Petersburg, Florida in 2022. Dr. Gunay-Aygun earned her medical degree from Hacettepe University School of Medicine, Ankara, Turkey. She completed pediatrics and medical genetics residencies at Case Western Reserve University, Cleveland, Ohio, and a biochemical genetics fellowship at the National Institutes of Health’s National Human Genome Research Institute, Bethesda, Maryland. She has made numerous research contributions, especially in the study of inherited ciliopathies, for which she has earned international recognition. Dr. Gunay-Aygun received the Innovative Leadership Award from Genetic Alliance, as well as the NHGRI Merit Award for her research on Autosomal Recessive Polycystic Kidney Disease/Congenital Hepatic Fibrosis. She is a member of myriad professional organizations, including the American Society of Human Genetics, the American Academy of Pediatrics, the Society of Pediatric Research and the Society for Inherited Metabolic Disorders. Dr. Gunay is highly rated in 7 conditions, according to our data. Her top areas of expertise are Phenylketonuria (PKU), Ornithine Translocase Deficiency, Ornithine Transcarbamylase Deficiency, and Argininosuccinic Aciduria.

Dr. Sochet is an expert clinician and translational scientist within the field of pediatric critical care medicine and an Assistant Professor of Anesthesiology and Critical Care Medicine at Johns Hopkins University located at Johns Hopkins All Children's Hospital. He joined the Johns Hopkins All Children's staff in 2016. Dr. Sochet earned his medical degree at Florida State University College of Medicine and his pediatric residency at University of South Florida College of Medicine. He completed a fellowship in pediatric critical care medicine at Children's National Health System (Washington, DC) where he received distinction as an educator with a Certificate of Excellence in Graduate Medical Education at the George Washington University School of Medicine and Health Sciences. Dr. Sochet holds a Master of Science in Clinical and Translational Research from the George Washington University. His research interests include the identification of modifiable risk factors and prevention of pediatric hospital-acquired venous thromboembolism (HA-VTE) and the mechanistic and clinical efficacy of adjunctive therapies for the management of pediatric critical asthma. He has led and participates in multicenter clinical trials (e.g., the COVAC-TP Trial and CRETE studies) to optimally prevent HA-VTE among critically ill children, led (leads) clinical trials to assess immunomodulation in critical asthma (e.g., the iSTAT PICU Trial), and has a long track record of career-development support of post-doctoral trainees. He is passionate regarding discovery, innovation, and the education of future clinicians so to better heal and understand critically ill patients under his and his field's care. Dr. Sochet is highly rated in 1 condition, according to our data. His top areas of expertise are Venous Thromboembolism (VTE), Multisystem Inflammatory Syndrome in Children (MIS-C), Infantile Apnea, Malnutrition, and Gastrostomy.

Dr. Crenshaw is the medical director for the Clinical Genetics Program at Johns Hopkins All Children’s Hospital and also serves as an assistant professor with Johns Hopkins Medicine. Her research interests include congenital heart defects, chromosome abnormalities and Turner Syndrome. She has additional expertise in the genetics of congenital heart disease and connective tissue disorders. After graduating from Cornell University as a Cornell National Scholar and Hughes Research Scholar, Dr. Crenshaw received her medical degree from the State University of New York Health Sciences Center at Syracuse. She completed a pediatrics residency at Inova Fairfax Hospital for Children in Falls Church, VA (a teaching affiliate of the University of Virginia), followed by a three-year medical genetics training program at Johns Hopkins University’s McKusick-Nathans Institute of Genetic Medicine in Baltimore, MD. Dr. Crenshaw is highly rated in 1 condition, according to our data. Her top areas of expertise are Turner Syndrome, Intersex, Mosaicism, and Cleft Lip and Palate.

Brittany Rajo is a Pediatrics provider in Saint Petersburg, Florida. Dr. Rajo is highly rated in 1 condition, according to our data. Her top areas of expertise are Gastroschisis and Malnutrition.

Dr. Chinarian specializes in Pediatric Rehabilitation Medicine in the Johns Hopkins All Children’s Institute for Brain Protection Sciences. He joined the hospital in 2015. His focus is on the care of children with disabilities, whether congenital or acquired. Since joining the hospital, he has started and/or been involved in numerous multidisciplinary clinics, including Torticollis Clinic, Augmentative and Alternative Communication (AAC) Clinic, Spina Bifida Clinic,Stroke Clinic, Skeletal Dysplasia Clinic, Spasticity Clinic, and most recently Muscular Dystrophy Association (MDA) Clinic. In addition, he sees patients from infancy to young adulthood with various developmental disabilities, especially a large population of patients with cerebral palsy. After graduating from Wayne State University School of Medicine in 1989, Dr. Chinarian completed a combined residency in pediatrics and physical medicine and rehabilitation (PM&R) at Wayne State University in 1994. Dr. Chinarian is highly rated in 1 condition, according to our data. His top areas of expertise are Neurogenic Bowel, Cerebral Palsy, Myelomeningocele, and Duchenne Muscular Dystrophy.

Nathan Tang is a Pediatrics provider in Saint Petersburg, Florida. Dr. Tang is highly rated in 9 conditions, according to our data. His top areas of expertise are Primary Immunodeficiency (PID), Common Variable Immune Deficiency, Primary T Cell Immunodeficiency, and ICF Syndrome.

Jennifer Kim is a Pediatrics provider in St Petersburg, Florida. Dr. Kim is highly rated in 2 conditions, according to our data. Her top areas of expertise are Obesity in Children, Croup, Autism Spectrum Disorder, and Developmental Dysphasia Familial. Dr. Kim is currently accepting new patients.

Danial Mir is a Pediatrics provider in Saint Petersburg, Florida. Dr. Mir is highly rated in 1 condition, according to our data. His top areas of expertise are Subarachnoid Hemorrhage, Pleurisy, Pleural Effusion, Bone Marrow Aspiration, and Ureteroscopy.

Brigitta Mueller is a Pediatrics provider in St Petersburg, Florida. Dr. Mueller is highly rated in 1 condition, according to our data. Her top area of expertise is Anemia.

Maria Leszczynska is a Pediatrics specialist and a Dermatologist in St Petersburg, Florida. Dr. Leszczynska is highly rated in 1 condition, according to our data. Her top areas of expertise are Becker's Nevus, Linear Nevus Sebaceous Syndrome, Epidermolytic Hyperkeratosis, and Atopic Dermatitis. Dr. Leszczynska is currently accepting new patients.

Pamela Patranella is a Pediatrics provider in St Petersburg, Florida. Dr. Patranella is highly rated in 1 condition, according to our data. Her top areas of expertise are Obesity in Children, Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), Asthma in Children, and Croup. Dr. Patranella is currently accepting new patients.

Julie Johnson is a Pediatrics provider in St Petersburg, Florida. Dr. Johnson is highly rated in 1 condition, according to our data. Her top areas of expertise are Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), Obesity in Children, Croup, and Asthma in Children. Dr. Johnson is currently accepting new patients.

Sally Smith is a Pediatrics provider in St Petersburg, Florida. Dr. Smith is highly rated in 1 condition, according to our data. Her top areas of expertise are Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), Obesity in Children, Croup, and Asthma in Children.

Elinor Miranda is a Pediatrics provider in St Petersburg, Florida. Dr. Miranda is highly rated in 1 condition, according to our data. Her top areas of expertise are Scarlet Fever, Viral Gastroenteritis, Obesity in Children, and Diarrhea. Dr. Miranda is currently accepting new patients.

Thien Tran is a Pediatrics provider in St Petersburg, Florida. Dr. Tran is highly rated in 1 condition, according to our data. Her top areas of expertise are Obesity in Children, Developmental Dysphasia Familial, Scarlet Fever, and Autism Spectrum Disorder. Dr. Tran is currently accepting new patients.

Erin Garrigan is a Pediatrics provider in St Petersburg, Florida. Dr. Garrigan is highly rated in 1 condition, according to our data. Her top areas of expertise are Obesity in Children, Herpangina, Multisystem Inflammatory Syndrome in Children (MIS-C), and Umbilical Hernia. Dr. Garrigan is currently accepting new patients.

Dr. Hidalgo specializes in palliative care at Johns Hopkins All Children’s. She joined the hospital staff in 2025. She was previously a pediatric palliative care attending physician at Orlando Health, Arnold & Winnie Palmer Hospitals. Dr. Hidalgo earned her medical degree from the University of Central Florida College of Medicine. She completed a residency in pediatrics, followed by a fellowship in hospice and palliative medicine at Johns Hopkins All Children’s. She also has a certificate in Pediatric Bioethics from the Children's Mercy Center for Bioethics. She speaks English and Spanish. Her top areas of expertise are Thanatophoric Dysplasia and Kozlowski Warren Fisher Syndrome.

Dr. Fernandez specializes in pediatric anesthesiology and is the founder of the pediatric pain service at Johns Hopkins All Children’s Hospital. She joined the hospital staff in 2012, and in 2023, was honored for excellence and professionalism in the Johns Hopkins Medicine Clinical Awards. Her other interests include: quality improvement and safety, faculty development and physician wellness. Dr. Fernandez started the lecture series Women of Impact in Anesthesiology. In October 2022, she was awarded the Achievers Award for Hispanic Heritage Month by JHHS. Dr. Fernandez earned her medical degree from SUNY Stony Brook University School of Medicine in New York. She completed an internal medicine internship at North Shore University Hospital in New York and an anesthesiology residency at Georgetown University Hospital in Washington, D.C. She also completed a pediatric anesthesia fellowship and advanced training in pediatric cardiac anesthesia at Johns Hopkins Children's Center in Baltimore, Maryland. Dr. Fernandez holds a M.B.A. with a concentration in health care management from Boston University Graduate School of Management. Her top area of expertise is Osteotomy.