Minelys M. Alicea Marrero, M.D., is a pediatric hematologist-oncologist specializing in blood and marrow transplants at Johns Hopkins All Children’s Hospital in St. Petersburg, Florida. She joined the hospital staff in 2023.

She earned her medical degree from University of Puerto Rico School of Medicine in San Juan. She completed her residency in pediatrics at University of Puerto Rico School of Medicine/University Pediatric Hospital. She completed a pediatric hematology-oncology fellowship at Louisiana Health Sciences University/Children’s Hospital New Orleans. She then completed a pediatric bone marrow transplantation and cellular therapy fellowship at National Cancer Institute in Bethesda, Maryland, and Children’s National Hospital in Washington, D.C.

Dr. Alicea Marrero’s clinical and research interests include stem cell transplant and cellular therapies for non-malignant diseases, especially sickle cell disease and inborn errors of immunity, looking at different approaches to treatment involving graft manipulation, alternative donors, non-myeloablative conditioning regimens and different cellular therapies, with the goal of minimizing toxicity while achieving excellent outcomes.