Dr. John Ruffin

Dr. Blatz specializes in both pediatric critical care medicine and pediatric infectious diseases at Johns Hopkins All Children’s Hospital in St. Petersburg, Florida. She joined the hospital staff in 2025. Dr. Blatz earned her medical degree from the George Washington University School of Medicine & Health Sciences in Washington, D.C. She completed her residency in pediatrics at UH Rainbow Babies & Children’s Hospital in Cleveland. She then completed a pediatric infectious diseases fellowship at the Children’s Hospital of Philadelphia, followed by a pediatric critical care medicine fellowship at Nemours Children’s Hospital in Wilmington, Delaware. Additionally, she earned her Master of Science in Clinical Epidemiology from the University of Pennsylvania Perelman School of Medicine with concurrent completion of a clinical pharmacoepidemiology fellowship at the University of Pennsylvania Perelman School of Medicine as part of a NIH T32 program. Dr. Blatz will care for children in the pediatric intensive care unit as well as those being treated by the infectious diseases service. Her research interests are pediatric sepsis and acute viral syndromes in critically ill children. Dr. Blatz is rated as an Advanced provider by MediFind in the treatment of Multisystem Inflammatory Syndrome in Children (MIS-C). Her top area of expertise is Multisystem Inflammatory Syndrome in Children (MIS-C).

Natassa Quinn is a primary care provider, practicing in Pediatrics and Internal Medicine in Brandon, Florida. Dr. Quinn is rated as an Advanced provider by MediFind in the treatment of Multisystem Inflammatory Syndrome in Children (MIS-C). Her top areas of expertise are Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, Hypertension, and Type 2 Diabetes (T2D). Dr. Quinn is currently accepting new patients.

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 rated as an Advanced provider by MediFind in the treatment of Multisystem Inflammatory Syndrome in Children (MIS-C). His top areas of expertise are Venous Thromboembolism (VTE), Multisystem Inflammatory Syndrome in Children (MIS-C), Infantile Apnea, Malnutrition, and Gastrostomy.