Dr. Ahmed M. Sherif

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. Dr. Swenson is rated as an Experienced provider by MediFind in the treatment of Vascular Ring. His top areas of expertise are Appendicitis, Tenosynovitis, Bronchogenic Cyst, and Vascular Ring.

Dr. Alexander is a diagnostic radiologist at Johns Hopkins All Children’s. She sees patients on the hospital’s St. Petersburg, Florida, campus. She joined the medical staff in 2025. She was previously a radiologist at Boston Children’s Hospital. Dr. Alexander earned her medical degree from the University of Kansas School of Medicine in Wichita. She completed a diagnostic radiology residency at the University of Missouri in Kansas City. She then completed a diagnostic pediatric radiology fellowship followed by a pediatric musculoskeletal radiology fellowship at Boston Children’s Hospital. Dr. Alexander is rated as an Advanced provider by MediFind in the treatment of Vascular Ring. Her top areas of expertise are Scoliosis, Osteochondritis Dissecans, Knock Knees, and Caffey Disease.