Dr. Alejandro J. Gruneiro

Dr. Kays is the medical director of the Center for Congenital Diaphragmatic Hernia (CDH) at Johns Hopkins All Children’s and leads the first unit in the country exclusively dedicated to these patients. He also serves as director of the extracorporeal membrane oxygenation (ECMO) program and co-director of the Fetal Diagnosis/Treatment program. He joined the medical staff in 2016. Dr. Kays has more than two decades of clinical and research leadership in the treatment of CDH, a life-threatening birth defect that affects about one in every 3,000 pregnancies. His research has focused on defining the best treatment strategies for this challenging neonatal diagnosis and contributed to significant advances in care and outcomes. Dr. Kays was previously with UF Health and Shands Children’s Hospital for more than 20 years. He was also surgeon in chief, professor of surgery and chief of the division of pediatric surgery in the University of Florida College of Medicine, Department of Surgery, where he led the ECMO and congenital diaphragmatic hernia program for over 20 years. He is the author or coauthor of more than 60 peer-reviewed original science publications and speaks nationally and internationally on CDH care and outcomes. Dr. Kays earned his medical degree from the Feinberg School of Medicine at Northwestern University. He completed a surgical residency at Strong Memorial Hospital, University of Rochester Medical Center, and then completed a pediatric surgery fellowship at Morgan-Stanley Children’s Hospital of Columbia University, New York. Dr. Kays is a fellow of the American College of Surgeons and the American Academy of Pediatrics and a member of the Children’s Oncology Group. Videos Meet David Kays, M.D. Dr. Kays is rated as an Advanced provider by MediFind in the treatment of Congenital Diaphragmatic Hernia. His top areas of expertise are Diaphragmatic Hernia, Congenital Diaphragmatic Hernia, Hernia, Donnai-Barrow Syndrome, and Appendectomy.

John Guarino is a General Surgeon in Port Charlotte, Florida. Dr. Guarino is rated as an Advanced provider by MediFind in the treatment of Congenital Diaphragmatic Hernia. His top areas of expertise are Breast Cancer, Paget Disease of the Breast, Hernia, Hiatal Hernia, and Bladder Reconstruction. Dr. Guarino is currently accepting new patients.

Peter Denk is a General Surgeon in Fort Myers, Florida. Dr. Denk is rated as an Advanced provider by MediFind in the treatment of Congenital Diaphragmatic Hernia. His top areas of expertise are Obesity, Hernia, Hiatal Hernia, Sleeve Gastrectomy, and Gastrectomy.