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  • Brenna S. Fullerton, MD

    Brenna Fullerton, MD, is a fellowship-trained pediatric surgeon with Orlando Health Arnold Palmer Hospital for Children. Her clinical interests include minimally invasive surgical techniques and the care of medically complex children with chronic conditions, intestinal failure and congenital malformations.

  • Marc S. Levy, MD

    Marc Levy, MD, serves as a pediatric surgeon for Orlando Health Arnold Palmer Hospital for Children and the director of pediatric surgical education for Orlando Health Orlando Regional Medical Center. He is certified by the American Board of Surgery with special qualifications in pediatric surgery.

    After earning his bachelor’s degree in biomedical engineering from Vanderbilt University, Nashville, Dr. Levy received his medical degree from the University of South Florida, in Tampa. He went on to complete a general surgery residency with Orlando Regional Medical Center, an ECMO/critical care clinical fellowship at The Children’s Hospital of Boston, and a pediatric surgery residency at Arkansas Children’s Hospital in Little Rock.

    Dr. Levy has presented on a variety of pediatric topics at conferences throughout the U.S. and has co-authored articles published in the Journal of Pediatric Surgery and Annals of Surgery. He is a member of the American College of Surgery, American Pediatric Surgical Association, and the Florida Association of Pediatric Surgeons. He is also a special consultant for the American College of Surgeons’ Injury Prevention and Control Committee.

  • Donald A. Plumley, MD

    Donald A. Plumley, MD, FACS, is a pediatric surgeon with Orlando Health Arnold Palmer Hospital for Children. He is certified by the American Board of Surgery with a specialty in pediatric surgery. He serves at the medical director of pediatric trauma, the medical director of children’s surgery and surgical quality director at Orlando Health Arnold Palmer.

  • Cristine Velazco, MD

    Dr. Cristine Velazco is a board-certified general and pediatric surgeon at Orlando Health Arnold Palmer Hospital for Children. She treats children and babies with complicated conditions, using minimally invasive techniques when possible. As the director of colorectal surgery, she has expertise in colorectal, thoracic, emergency and trauma surgery. She also specializes in treating:

  • 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:

  • Laura Wright-Sexton, MD

    Dr. Laura Wright-Sexton is a board-certified pediatric critical care physician with Orlando Health Arnold Palmer Hospital for Children. She cares for seriously ill infants and children, including those with injuries from traumatic accidents, respiratory failure, septic shock, neurological emergencies and after complex surgeries. Her areas of expertise include:

  • Jonathan Alba, DO

    Dr. Jonathan Alba is a board-certified pediatrician with Orlando Health Arnold Palmer Hospital for Children Pediatric Critical Care Medicine. He specializes in caring for critically ill infants and children, including those with:  

  • Joseph Bernardo, MD

    Dr. Joseph Bernardo is a board-certified pediatrician and fellowship-trained pediatric critical care medicine physician with Orlando Health Arnold Palmer Hospital for Children Pediatric Critical Care Medicine. He cares for seriously ill infants and children, and his areas of expertise include:

  • Jorge A. Ramirez, MD

    Jorge A. Ramirez, MD, was born in Cuba and moved to the United States as a child. He is a graduate of the University of Monterrey in Mexico. In 1989, he completed his pediatric residency training at The Children’s Hospital of Buffalo, N.Y., and was the pediatric chief resident for two years. Dr. Ramirez then completed his pediatric nephrology fellowship at UCLA Medical Center in 1993. Dr. Ramirez is the medical director for the Orlando Health Arnold Palmer Hospital for Children Hewell Kids' Kidney Center and has been recognized as a best and a top doctor in Orlando Magazine.

  • Jeffery Alan Johnson, MD

    Jeffery Johnson, MD, is a graduate of Washington University in St. Louis, Mo., and attended Case Western Reserve School of Medicine in Cleveland, Ohio. He completed both his internship and residency in pediatrics at Children’s Hospital Los Angeles and completed his fellowship training in pediatric nephrology in 2009 at the University of California – Los Angeles. Dr. Johnson joined the Orlando Health Arnold Palmer Hospital for Children Hewell Kids' Kidney Center in 2014 after serving as Medical Director of the Hemodialysis Unit at Children’s Hospital of Los Angeles.