Tina Lea Schrader, PA-C

Dr. Kotula specializes in pediatric critical care medicine at Johns Hopkins All Children’s Hospital. He joined the hospital staff in 2020.Dr. Kotula earned his medical degree from The Commonwealth Medical College in Scranton, Pennsylvania. He completed a residency in pediatrics at St. Christopher’s Hospital for Children in Philadelphia, where he also served an additional year as chief resident. He then completed a fellowship in pediatric critical care medicine at Nicklaus Children’s Hospital in Miami.During his fellowship, Dr. Kotula served on the hospital’s graduate medical education and bioethics committees. He received awards during his residency and fellowship training for outstanding contributions to resident education. His interests include medical education and ethics.

Dr. Messina is the chief of the Division of Infectious Disease at Johns Hopkins All Children's Hospital. She joined the pediatric infectious disease program in 2006. She became chief of the medical staff in January 2024. A graduate of Vanderbilt University School of Medicine, she completed her pediatric residency at University of Texas-Southwestern Medical Center/Children's Medical Center, Dallas, followed by a pediatric infectious diseases fellowship at UT/Southwestern Medical Center. She was a staff pediatrician at Children's Medical Center Dallas.In the Johns Hopkins Medicine Clinical Awards, Dr. Messina was named Johns Hopkins All Children’s Hospital physician of the year in 2019 and led a COVID-19 Analytic Response Team that received the Armstrong Award for Excellence in Quality and Safety in 2022.Dr. Messina is a fellow of the American Academy of Pediatrics. She is a member of the Pediatric Infectious Disease Society, the American Society for Microbiology and the Infectious Disease Society of America. Dr. Messina serves as a reviewer for the Pediatric Infectious Disease Journal.