Keith Andrew Thatch, MD

Dr. Ballester serves as the medical director for Utilization Management and physician adviser supporting the Utilization Management, Case Management and Health Information Management teams at Johns Hopkins All Children’s Hospital. In her role, she collaborates with many teams across the institution to ensure our facility is complying with health regulations and policies while providing high quality, evidence-based, comprehensive and family-centered care. She became chief of the medical staff in January 2026. Dr. Ballester practices as a pediatric hospitalist at Johns Hopkins All Children’s Hospital. She cares for patients with common pediatric conditions, as well as children with medical complexity, who require hospitalization. Her clinical interests include improving discharge planning and evaluating processes that may help reduce or prevent readmissions. Dr. Ballester joined Johns Hopkins All Children’s Hospital in 2011. She is a graduate of the Florida State University College of Medicine and completed her pediatric residency at the University of South Florida College of Medicine and All Children's Hospital. Dr. Dees is a member of the Alpha Omega Alpha Medical and Gold Humanism Honor Societies. She has received the Teaching Award from the University of South Florida Pediatric Residency program and the Outstanding Faculty Award from the Johns Hopkins All Children’s Hospital Pediatric Hospital Medicine Fellowship Program.

Dr. Condino is a pediatric gastroenterologist at Johns Hopkins All Children’s. She sees patients in the gastroenterology office in Odessa and the Outpatient Care Center in East Lake. She earned her medical degree from the New York College of Osteopathic Medicine in Old Westbury, New York. She completed pediatric internships at the State University of New York at Buffalo School of Medicine and Biomedical Sciences in Buffalo, and the University of South Florida Health Sciences Center in St. Petersburg, Florida. She then completed a pediatric residency at the University of South Florida Health Sciences Center, followed by a clinical fellowship and then a research fellowship in pediatric gastroenterology, hepatology, and Nutrition at the University of Colorado Health Sciences Center in Denver.

Dr. Swenson specializes in pediatric radiology at Johns Hopkins All Children’s Hospital in St. Petersburg, Florida. He joined the hospital in 2025.  He was previously employed as a radiologist at Rhode Island Medical Imaging in Providence, RI for more than 10 years, during which time he served as an associate professor of Diagnostic Imaging, clinician educator at the Warren Alpert Medical School of Brown University.  His roles included clinical work in pediatric, musculoskeletal, and adult emergency radiology, as well as departmental leadership in Quality and Operations.   Dr. Swenson earned his medical degree from the Perelman School of Medicine at the University of Pennsylvania. He completed a medical internship at Abington Memorial Hospital in Pennsylvania, followed by a radiology residency at Warren Alpert Medical School of Brown University in Providence, Rhode Island, where he also served as chief resident. He then completed a fellowship in pediatric radiology at Boston Children’s Hospital / Harvard Medical School.