Dr. Dina S. El-Metwally

Khyzer Aziz is a neonatologist at Johns Hopkins Children’s Center in Baltimore, Maryland, specializing in the diagnosis and treatment of premature babies or newborns with high-risk or complex health conditions. Dr. Aziz is also an assistant professor of pediatrics and general internal medicine at the Johns Hopkins University School of Medicine. He began his academic journey at the University of Florida College of Medicine. Later, he received training at the Jacobi Medical Center in New York, and completed a fellowship in pediatrics at the Johns Hopkins University School of Medicine, before officially joining the faculty in 2020. In addition to being a neonatologist, Dr. Aziz is highly innovative and skilled in the latest medical and technological advances. He is director of the Johns Hopkins NICU Precision Medicine Center of Excellence, associate director of the Master of Science in Applied Health Sciences Informatics Programs in Biomedical Informatics and Data Science, and is the chief medical information officer (CMIO) for Johns Hopkins Children’s Center. Dr. Aziz is a designated researcher for the Johns Hopkins AI-X Foundry, an organization that provides the framework and support infrastructure for artificial intelligence and data science efforts across the Johns Hopkins institutions. Along with his expertise in machine learning, data science and ethics, he is a member of the Johns Hopkins Medicine Artificial Intelligence Task Force. As the CMIO for Johns Hopkins Children’s Center, Dr. Aziz focuses on using emerging technologies, such as generative AI, in health care to help transform how high-quality, cutting-edge care is delivered to patients and their families in today’s increasingly digital world. Dr. Aziz is rated as an Experienced provider by MediFind in the treatment of Childhood Volvulus. His top areas of expertise are Intraventricular Hemorrhage of the Newborn, Premature Infant, Gastroschisis, and Childhood Volvulus.

Mariana Middelhof is a Pediatric Gastroenterologist and a Pediatrics provider in Fairfax, Virginia. Dr. Middelhof is rated as an Advanced provider by MediFind in the treatment of Childhood Volvulus. Her top areas of expertise are Eosinophilic Colitis, Lactose Intolerance, Crohn's Disease, and Ulcerative Colitis.

Lina Diaz-Calderon is a Pediatric Gastroenterologist and a Gastroenterologist in Baltimore, Maryland. Dr. Diaz-Calderon is rated as an Experienced provider by MediFind in the treatment of Childhood Volvulus. Her top areas of expertise are Crohn's Disease, Gastroschisis, Short Bowel Syndrome, Delayed Growth, and Appendectomy. Dr. Diaz-Calderon is currently accepting new patients.