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  • Tain-Yen Hsia, MD

    Tain-Yen Hsia, MD, is a board-certified pediatric cardiac surgeon at Orlando Health Children's Heart Institute. He performs all aspects of pediatric and congenital cardiac surgery, including heart transplantation and mechanical cardiac support. He also applies computational modeling in congenital heart disease.

  • Thomas Wesley Hayne, MD

    Thomas Hayne, MD, is a board-certified pediatrician in practice with Orlando Health Physician Associates. Dr. Hayne specializes in providing comprehensive care ­­— from the assessment of childhood development to the treatment of common and complex illnesses — for newborns, children and adolescents.

  • Yamen Smadi, MD

    Yamen Smadi, MD, graduated from Damascus University in Syria and completed his pediatric residency at St. John Hospital and Medical Center in Detroit, Mich., in 2008. After finishing his residency, he spent four years at Sanford Children’s Hospital in Sioux Falls, S.D., as chief of the pediatric hospitalist section and helped to establish the residency program at the University of South Dakota where he served as a core faculty member. He finished his pediatric gastroenterology, hepatology and nutrition fellowship at the University of Florida pediatric fellowship program at Orlando Health Arnold Palmer Hospital for Children in 2015. Dr. Smadi currently serves as a staff physician and director of the Eosinophilic Esophagitis Clinic at the Orlando Health Arnold Palmer Hospital for Children Center for Digestive Health and Nutrition. Dr. Smadi has research interest in Eosinophilic Esophagitis and he is currently working on developing a non-invasive method to diagnose and monitor the disease. Dr. Smadi is an active member of the North American Society of Pediatric Gastroenterology, Hepatology and Nutrition (NASPGHAN), American Gastroenterological Association (AGA) and American Society of Gastroentestinal Endoscopy (ASGE).

  • Kevin Joseph De la Roza, MD

    Dr. Kevin De La Roza is a board-certified pediatric cardiac anesthesiologist at Orlando Health Children's Heart Institute. He is board certified in anesthesiology and pediatric anesthesiology.

  • Karla M. Leavitt, MD

    Dr. Karla Leavitt is a double-board-certified maternal fetal care physician with the Orlando Health Women’s Institute Center for Maternal Fetal Medicine. She cares for patients with high-risk pregnancies and manages pregnancies with a personal or family history of genetic disorders, congenital anomalies or a history of adverse pregnancy outcomes. Her expertise includes:

  • Lisa K. Christensen, MD

    Lisa Christensen, MD

  • Liliana Dora Gutierrez, MD

    Liliana Gutierrez, MD, joined Orlando Health Arnold Palmer Hospital for Children Infectious Diseases & Immunology in 2010. She is board certified in pediatrics and infectious disease.

  • Marnie B. Robinson, MD

    Marnie Robinson, MD

  • Michael F. Marzouk, MD

    Michael Marzouk, MD, is the division chief of pediatric anesthesia for Orlando Health, and a member of Orlando Health Pediatric Anesthesia Consultants, where he provides anesthesia for patients at Orlando Health Arnold Palmer Hospital for Children. He is board certified in anesthesiology and pediatric anesthesiology.

  • Jose A. Decamps Solano, MD

    Dr. Jose Decamps is a board-certified pediatric cardiologist with the Orlando Health Children's Heart Institute. His specialties include: