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 Advanced provider by MediFind in the treatment of Scoliosis. Her top areas of expertise are Scoliosis, Osteochondritis Dissecans, Knock Knees, and Caffey Disease.

Dr. Fitzgerald is a pediatric orthopaedic surgeon at Johns Hopkins All Children’s Hospital. He sees patients in the St. Petersburg and Tampa locations of Children's Orthopaedic and Scoliosis Surgery Associates (COSSA), L.L.P. COSSA is the exclusive provider of pediatric orthopaedic services at Johns Hopkins All Children's Hospital. Dr. Fitzgerald was previously a surgeon at Eskenazi Health in Indianapolis and was assistant clinical professor of orthopaedic surgery at Indiana School of Medicine. He earned his medical degree from the University of Illinois College of Medicine in Rockford, Illinois. He completed an orthopaedic surgery residency at Summa Health System in Akron, Ohio, and a pediatric orthopaedic surgery fellowship at Rady Children’s Hospital in San Diego. Recent News Articles and Media Coverage Back To School: How to pick a backpack, WTSP -TV (July 21, 2022). Dr. Fitzgerald is rated as an Advanced provider by MediFind in the treatment of Scoliosis. His top areas of expertise are Scoliosis, Myelomeningocele, Cerebral Palsy, Kyphosis, and Spinal Fusion.

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 Experienced provider by MediFind in the treatment of Scoliosis. His top areas of expertise are Craniosynostosis, Syringomyelia, Chiari Malformation Type 1, Posterior Fossa Decompression, and Craniectomy.

Gregory V. Hahn, M.D. is the chair of the division of orthopaedic surgery at Johns Hopkins All Children's Hospital. He is an affiliate assistant professor at the University of South Florida College of Medicine, Department of Orthopaedics and Sports Medicine. He is the former Chief of Staff at Johns Hopkins All Children's Hospital. Dr. Hahn sees patients in the St. Petersburg and Tampa locations of Children's Orthopaedic and Scoliosis Surgery Associates, (COSSA) L.L.P. COSSA is the exclusive provider of pediatric orthopaedic services at Johns Hopkins All Children's Hospital. He received a B.A. from the University of Virginia and his medical degree from the University of Pennsylvania. He stayed at the University of Pennsylvania for his orthopaedic residency training and completed his pediatric orthopaedic fellowship at San Diego Children's Hospital. He is an active member of the American Academy of Orthopaedic Surgeons, the Florida Orthopaedic Society, and the Pediatric Orthopaedic Society of North America. He is a Fellow of the Scoliosis Research Society. Dr. Hahn enjoys all aspects of pediatric orthopedics and has a special interest in scoliosis. Videos Meet Gregory V. Hahn, M.D. Dr. Hahn is rated as an Experienced provider by MediFind in the treatment of Scoliosis. His top areas of expertise are Scoliosis, Kyphosis, Adolescent Idiopathic Scoliosis, and Lordosis.

Dr. Warnick is a pediatric orthopaedic surgeon at Johns Hopkins All Children’s Hospital. He sees patients in the St. Petersburg and Tampa locations of Children's Orthopaedic and Scoliosis Surgery Associates (COSSA), L.L.P. COSSA is the exclusive provider of pediatric orthopaedic services at Johns Hopkins All Children's Hospital. Dr. Warnick is an affiliate assistant professor in the USF Morsani College of Medicine Department of Orthopaedic Surgery and Sports Medicine. Dr. Warnick is a member of the American Academy of Orthopaedic Surgeons, Pediatric Orthopaedic Society of North America, Arthroscopy Association of North America, the Pinellas and Hillsborough County Medical Societies, the Florida Orthopaedic Society, and Health Volunteers Overseas. His recent research includes measuring strain in the individual ACL bundles under large quadriceps forces and the arthroscopic treatment of multidirectional shoulder instability in young athletes. His interests include pediatric sports medicine and problems of the hip in children and adolescents. He has specialized training in arthroscopic surgery of the hip, knee, shoulder, elbow and ankle. He is also trained in hip preservation techniques, including those amenable to treatment with surgical dislocation of the hip and the Ganz periacetabular osteotomy. Dr. Warnick earned his medical degree from the Northwestern University Feinberg School of Medicine in Chicago, Illinois. He completed his orthopaedic surgery residency at the Loyola University Medical Center in Maywood, Illinois, and a fellowship in pediatric orthopaedic surgery and pediatric sports medicine at the Children's Healthcare of Atlanta at Scottish Rite Hospital. He was then awarded the Charles M. Schwartz traveling fellowship and studied at the Axis Sports Medicine Specialists (formerly UniSports and Adidas Sports Medicine) in Auckland, New Zealand. Dr. Warnick is rated as an Experienced provider by MediFind in the treatment of Scoliosis. His top areas of expertise are Slipped Capital Femoral Epiphysis, Scoliosis, and Shoulder Arthroscopy.

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 Scoliosis. His top areas of expertise are Ependymoma, Spinal Tumor, Subependymoma, Posterior Fossa Decompression, and Laminectomy.

Richard Connin is a Radiologist in St Petersburg, Florida. Dr. Connin is rated as a Distinguished provider by MediFind in the treatment of Scoliosis. His top areas of expertise are Scoliosis, Non-Alcoholic Fatty Liver Disease, Visceromegaly, and Angiomyoma.

Thomas Tolli is an Orthopedics provider in St Petersburg, Florida. Dr. Tolli is rated as a Distinguished provider by MediFind in the treatment of Scoliosis. His top areas of expertise are Sciatica, Scoliosis, Muscle Spasms, Microdiscectomy, and Herniated Disc Surgery. Dr. Tolli is currently accepting new patients.

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

Peter Taylor is a Radiologist and an Interventional Radiologist in St Petersburg, Florida. Dr. Taylor is rated as an Experienced provider by MediFind in the treatment of Scoliosis. His top areas of expertise are Ascites, Pleurisy, Pleural Effusion, Bone Marrow Aspiration, and Bone Graft.

Yarema Bezchlibnyk is a Neurosurgery provider in St Petersburg, Florida. Dr. Bezchlibnyk is rated as an Experienced provider by MediFind in the treatment of Scoliosis. His top areas of expertise are Movement Disorders, Parkinson's Disease, Essential Tremor, Deep Brain Stimulation, and Rhizotomy.

David Manning is a Radiologist in Saint Petersburg, Florida. Dr. Manning has been practicing medicine for over 17 years and is rated as an Experienced provider by MediFind in the treatment of Scoliosis. His top areas of expertise are X-Linked Lymphoproliferative Disease, Urachal Cyst, Neurofibromatosis, and Peritonitis.

Zorana Grujic is a primary care provider, practicing in Family Medicine in Saint Petersburg, Florida. Dr. Grujic is rated as an Experienced provider by MediFind in the treatment of Scoliosis. Her top areas of expertise are Osteomyelitis in Children, Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, and Hypertension.

Thomas Wilson is a Pediatric Orthopedics specialist and an Orthopedics provider in St Petersburg, Florida. Dr. Wilson is rated as an Advanced provider by MediFind in the treatment of Scoliosis. His top areas of expertise are Scoliosis, Flat Feet, Hypoplasia of the Tibia with Polydactyly, and Beukes Familial Hip Dysplasia.

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

Charles Nalley is an Orthopedics provider in St Petersburg, Florida. Dr. Nalley has been practicing medicine for over 17 years and is rated as an Experienced provider by MediFind in the treatment of Scoliosis. His top areas of expertise are Cervical Spondylosis, Spondylolisthesis, Spinal Stenosis, Laminectomy, and Microdiscectomy. Dr. Nalley is currently accepting new patients.

John Mccormick is a primary care provider, practicing in Pediatrics and Internal Medicine in Saint Petersburg, Florida. Dr. Mccormick is rated as an Experienced provider by MediFind in the treatment of Scoliosis. His top areas of expertise are Adenosine Monophosphate Deaminase Deficiency, Hypertension, Glucocorticoid-Remediable Aldosteronism, and Familial Hypertension. Dr. Mccormick is currently accepting new patients.

Frederic Guerrier is a primary care provider, practicing in Family Medicine in St Petersburg, Florida. Dr. Guerrier is rated as an Experienced provider by MediFind in the treatment of Scoliosis. His top areas of expertise are End-Stage Renal Disease (ESRD), Familial Hypertension, Hypertension, Ureteroscopy, and Colonoscopy. Dr. Guerrier is currently accepting new patients.

Kyle Luecke is a Radiologist in St Petersburg, Florida. Dr. Luecke is rated as an Experienced provider by MediFind in the treatment of Scoliosis. His top areas of expertise are Ascites, Breast Lump, Vertigo, and Pleurisy.

Thomas Egan is a Radiologist and a Pediatric Radiologist in St Petersburg, Florida. Dr. Egan is rated as an Experienced provider by MediFind in the treatment of Scoliosis. His top areas of expertise are Melorheostosis with Osteopoikilosis, Melorheostosis, Osteopenia, and Headache.