Jamie Graham, DO

Dr. Devanesan has practiced in the St. Petersburg area for 10 years and has been active in graduate medical education training at local hospitals. A graduate of the University of South Florida College of Medicine and its residency program in obstetrics and gynecology, Dr. Devanesan received the Overall Outstanding Teaching Resident Award for 2000. She joined OB/GYN Associates (now Johns Hopkins All Children's Obstetrics and Gynecology Specialists) in 2001. Dr. Devanesan is a Fellow of the American College of Obstetrics and Gynecology. She also is an active member of the American Medical Association and the North American Society for Pediatric and Adolescent Gynecology. Her areas of special interest include minimally invasive surgery (including DaVinci robotic procedures), urogynecology and adolescent gynecology.

Dr. Parilla is a physician in the pediatric intensive care unit (PICU) at Johns Hopkins All Children’s Hospital. He joined the hospital staff in 2015.Dr. Parilla earned his medical degree from Ross University School of Medicine in Dominica, West Indies. He trained in pediatrics at SUNY Albany Medical College/Albany Medical Center Hospital in New York, where he also served as pediatric chief resident. He then completed a pediatric critical care fellowship at Cincinnati Children’s Hospital Medical Center in Ohio. Dr. Parilla’s clinical interests include diagnosis, monitoring, and intensive care management of disease, conditions, injuries and after-effects of surgery in pediatric patients, which may result in organ system dysfunction or failure.

Allison Sylvester, DNP, CRNA, APRN, is a Certified Registered Nurse Anesthetist at Johns Hopkins All Children's Hospital. She joined the hospital staff in 2025. Allison earned a bachelor degree in Nursing from University of Central Florida in 2016. She completed her Doctor of Nursing Practice degree from the University of South Florida in 2023.