Dr. Rolando Encarnacion Guzman is a third-year Neonatal-Perinatal Medicine fellow from San Juan, Puerto Rico. He graduated from the University of Puerto Rico School of Medicine, then completed a pediatric residency at the University of Puerto Rico - University Pediatric Hospital Program. His academic interests include point-of-care ultrasound applications and congenital heart disease.

Dr. Darah Yuhas is a third-year Neonatal-Perinatal Medicine fellow from Tallahassee, FL. She graduated from Lewis Katz School of Medicine at Temple University, then completed a pediatric residency and chief residency at the Integrated Pediatric Residency Training Program of the Wright State University School of Medicine. Her academic interests include breastfeeding and optimal nutrition in preterm infants.

Dr. Ana Martinez comes to us from Chicago, IL where she completed her residency from McGaw Medical Center of Northwestern University Pediatric Program. Ana's research interest includes Health Care Disparities and Hemodynamics. She enjoys traveling, Scuba Diving, Yoga, and Painting.

Dr. Straus wanted to pursue her fellowship where she completed her pediatric residency at, Johns Hopkins All Children's Hospital. McKenna has broad research interests. During her downtime, McKenna enjoys spending time with her dog Zoey, boating, kayaking, and any water sports. She is also a big supporter of the Kansas City Chiefs Football team.

Dr. Andrea Devaris-Martinez is joining us from New Haven, Connecticut, where she completed her residency at Yale New Haven Children's Hospital. She earned her medical degree from the Universidad Central del Caribe School of Medicine. Her clinical interests include nutrition and necrotizing enterocolitis (NEC).

Dr. Bennett Mack recently relocated to St. Petersburg, Florida, after completing his residency and chief year at Prisma Health Children's Hospital-Upstate in Greenville, South Carolina. He is a graduate of the Brody School of Medicine at East Carolina University. His academic interests include cost-efficient care and the mental health of fathers with children in the NICU.

Dr. Dey earned her medical degree from Medical College of Georgia, Augusta. She then completed her residency at Johns Hopkins All Children's, followed by a fellowship in neonatal-perinatal medicine at Johns Hopkins All Children's. She then joined BayCare as a neonatologist.

Dr. Hojnicki specializes in neonatology with the Johns Hopkins All Children's Maternal, Fetal & Neonatal Institute. She sees patients at the Johns Hopkins Al Children’s main campus. She joined the hospital staff in 2024. She earned her medical degree from Nova Southeastern University in Ft. Lauderdale, Florida. She completed her pediatric residency at the University of South Florida in Tampa, followed by a neonatal-perinatal medicine fellowship at Johns Hopkins All Children’s. View Dr. Hojnicki's bio.

Dr. Nickel specializes in Neonatology in the Johns Hopkins All Children’s Maternal, Fetal & Neonatal Institute. Dr. Nickel earned her medical degree from the University of Louisville School of Medicine in Louisville, Kentucky. She completed both her pediatric residency and neonatal and perinatal medicine fellowship at Johns Hopkins All Children’s Hospital. She joined the medical staff in 2021 and sees patients in our main campus level IV Neonatal Intensive Care Unit in St. Petersburg. She also sees patients at the Johns Hopkins All Children’s Fetal Care Program, working with Maternal-Fetal Medicine colleagues as well as various pediatric subspecialists to provide prenatal consultation and counseling, and to offer a coordinated, family-centered approach to the diagnosis and treatment of fetal anomalies that brings perinatal, neonatal and pediatric specialists to the patient. View Dr. Nickel's bio.