Dr. Jonathan John

Anna Bernus is a Pediatric Cardiologist in Tampa, Florida. Dr. Bernus is rated as an Advanced provider by MediFind in the treatment of Dextrocardia with Situs Inversus. Her top areas of expertise are Ventricular Septal Defects, Patent Ductus Arteriosus, Isthmian Coarctation, and Coarctation of the Aorta.

Dr. Boyer is a pediatric interventional cardiologist in the Johns Hopkins All Children’s Heart Institute in St. Petersburg, Florida. He joined the hospital staff in 2024. He earned his medical degree from Saint Louis University School of Medicine in Missouri. He completed his internship and residency in pediatrics at the University of Arizona in Tucson. He then completed a fellowship in pediatric cardiology and an advanced fellowship in pediatric interventional cardiology at the University of Michigan in Ann Arbor. Dr. Boyer’s clinical interests include pediatric and adult congenital interventional cardiology, palliative care, medical ethics, and clinical and interventional management of pulmonary hypertension. His research interests include ethical practices and palliative care in pediatric and interventional cardiology, process and device innovation, and frontiers for pulmonary hypertension management. He speaks English and Spanish. Dr. Boyer is rated as an Experienced provider by MediFind in the treatment of Dextrocardia with Situs Inversus. His top areas of expertise are Congenital Heart Disease (CHD), Pulmonary Valve Stenosis, Dextrocardia with Situs Inversus, and Situs Inversus.

Jeremy Ringewald is a Pediatric Cardiologist in Tampa, Florida. Dr. Ringewald is rated as a Distinguished provider by MediFind in the treatment of Dextrocardia with Situs Inversus. His top areas of expertise are Pulmonary Valve Stenosis, Tetralogy of Fallot, Pulmonary Supravalvular Stenosis, and Double Inlet Left Ventricle.