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  • Kathleen Marie Vazzana, DO

    Kathleen M. Vazzana, DO, MSc, FAAP, is a board-certified pediatric rheumatologist at Orlando Health Arnold Palmer Hospital for Children. She evaluates and treats children with rheumatic diseases, which are chronic autoimmune and autoinflammatory conditions affecting growth, development and quality of life.

  • Karen Mingo, APRN

    Karen Mingo is a pediatric nurse practitioner at Orlando Health Arnold Palmer Hospital for Children. She has cared for patients in the pediatric intensive care unit for 10 years, and her duties include:

  • Khaled Bittar, MD

    Khaled Bittar, MD, is a board-certified physician with the Orlando Health Arnold Palmer Hospital for Children Center for Digestive Health and Nutrition.

    After earning his medical degree from the Faculty of Medicine of Damascus University in Syria, Dr. Bittar completed his residency in general pediatrics at Wayne State University, Children’s Hospital of Michigan at Detroit Medical Center. He completed a fellowship in pediatric gastroenterology with the University of Florida at Orlando Health Arnold Palmer.

    Previously, Dr. Bittar was a clinical instructor in the Department of Pediatrics at Wayne State University School of Medicine and a pediatric hospitalist at Children’s Hospital of Michigan at Detroit Medical Center. He has been involved in research on children with celiac disease and type 1 diabetes mellitus and on mastocytic enterocolitis in children.

    In addition to being a reviewer for the scientific journal, Clinical Pediatrics, Dr. Bittar has co-authored multiple book chapters and co-presented published abstracts at numerous professional meetings. Dr. Bittar is a fellow of the American Academy of Pediatrics (FAAP) and a member of the North American Society for Pediatric Gastroenterology, Hepatology and Nutrition.

  • Khaled "Shams" Abdelmagid

    Dr. Khaled Abdelmagid, who goes by “Dr. Shams,” is a board-certified pediatrician and pediatric critical care medicine physician at Orlando Health Children’s Heart Institute. He cares for young patients with serious or life-threatening conditions, and his expertise includes:

  • Adaobi Chibuzo Okobi, MD

    Dr. Adaobi Okobi is a board-certified pediatrician with Orlando Health Primary Care Pediatrics. She has more than 10 years of experience and believes in helping underserved communities and promoting diversity. Her expertise includes:

  • Helen Winters, DTR

    Helen Winters, DTR, is a registered dietetic technician with the Center for Digestive Health and Nutrition at Orlando Health Arnold Palmer Hospital for Children. As a member of the Healthy Lifestyles Program, she specializes in pediatric health and nutrition, providing nutritional assessments, education and counseling to children with weight concerns and their families.

  • Henry Hough, PA-C

    Henry Hough, PA-C is a physician assistant with Orlando Health Arnold Palmer Hospital for Children Center for Orthopedics. He specializes in managing surgical care for pediatric orthopedic patients. Henry also is experienced in:

  • Heidi Hanks, PA-C

    Heidi Hanks is a board-certified physician assistant (PA-C) at the Orlando Health Children's Heart Institute. Her specialties include:

  • Akash Pandey, MD

    Dr. Akash Pandey is a board-certified pediatric gastroenterologist and nutrition specialist with the Center for Digestive Health and Nutrition at Orlando Health Arnold Palmer Hospital for Children. He has been a pillar of the Central Florida medical community since 2016, and his dedication extends beyond pediatric gastroenterology to include a passionate focus on neonatal and pediatric nutrition.

  • David Briston, MD

    Dr. David Briston is a physician at Orlando Health Children's Heart Institute. He is board certified in internal medicine, pediatrics, pediatric cardiology and adult congenital heart disease. Dr. Briston cares for patients with congenital heart defects, which are present at birth as their hearts age differently even after repair.