Jorge Mccormack is a Pediatric Cardiologist in St Petersburg, Florida. Dr. Mccormack is rated as an Experienced provider by MediFind in the treatment of Koolen De Vries Syndrome. His top areas of expertise are Congenital Heart Block, Heart Murmurs, Long QT Syndrome, and Wolff-Parkinson-White Syndrome.

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 Experienced provider by MediFind in the treatment of Koolen De Vries Syndrome. Her top areas of expertise are Scoliosis, Osteochondritis Dissecans, Knock Knees, and Caffey Disease.

Dr. Vlachos is the chief of hematology in the Johns Hopkins All Children’s Hospital Cancer & Blood Disorders Institute in St. Petersburg, Florida, and professor of pediatrics (PAR) in the Johns Hopkins University School of Medicine. She joined the hospital staff in 2024. She was previously professor of pediatrics at Zucker School of Medicine at Hofstra/Northwell and attending physician in hematology/oncology at Cohen Children’s Medical Center/Northwell Health, where she was head of the Bone Marrow Failure Program and head of the pediatric hematology/oncology trials office. Dr. Vlachos is internationally known for clinical care and expertise in bone marrow failure syndromes and her transformational research in Diamond Blackfan anemia (DBA) syndrome, a rare inherited bone marrow failure syndrome. Dr. Vlachos is the founder and has directed the Diamond Blackfan Anemia Registry (DBAR) of North America since its inception in 1991. She is the principal investigator and co-investigator on multiple grants funded by the National Institute of Health and the Centers for Disease Control and Prevention. She has published numerous articles on her research findings and has been invited to author papers and book chapters on bone marrow failure syndromes and DBA. Dr. Vlachos is a member of the Medical and Scientific Advisory Board for the Shwachman-Diamond Syndrome Registry, is a member of the Scientific Advisory Board for the Diamond Blackfan Anemia Foundation and holds a position on the Scientific Program Committee for Bone Marrow Failure of the American Society of Hematology. She earned her medical degree from New York Medical College in Valhalla, New York. She completed her residency in pediatrics at North Shore University Hospital in Manhasset, New York. She then completed a clinical fellowship in bone marrow transplantation at North Shore University Hospital, followed by a fellowship in pediatric hematology-oncology and bone marrow transplantation at Mount Sinai Medical Center in New York. Videos Bone Marrow Failure Syndrome Expert Dr. Adrianna Vlachos at Johns Hopkins All Children’s. Dr. Vlachos is rated as an Experienced provider by MediFind in the treatment of Koolen De Vries Syndrome. Her top areas of expertise are Aase Syndrome, Pure Red Cell Aplasia, Aplastic Anemia, and Transient Erythroblastopenia of Childhood.

Dr. Wasylik is a pediatric ear, nose and throat surgeon at Johns Hopkins All Children’s Hospital. She sees patients in the Brandon, Clearwater, Odessa, Sarasota, and Tampa locations of Pediatric Otolaryngology Head & Neck Surgery Associates, PA and the Johns Hopkins All Children’s Outpatient Care location in St. Petersburg. Pediatric Otolaryngology Head & Neck Surgery Associates, PA is the exclusive provider of pediatric ear, nose and throat services at Johns Hopkins All Children’s Hospital. Dr. Wasylik's clinical interests include cochlear implants, bone anchored hearing aids, sinus surgery, airway reconstruction and cleft palates. She earned her medical degree from Tulane University School of Medicine in New Orleans. She trained in surgery and otolaryngology at Tulane Hospital and Clinic.She completed a fellowship in pediatric otolaryngology, head and neck surgery at the University of Minnesota in Minneapolis. Dr. Wasylik is rated as an Experienced provider by MediFind in the treatment of Koolen De Vries Syndrome. Her top areas of expertise are Enlarged Adenoids, Tongue Tie, Stridor, and Auditory Processing Disorder.

Diana Marin is a Radiologist in Saint Petersburg, Florida. Dr. Marin is rated as an Experienced provider by MediFind in the treatment of Koolen De Vries Syndrome. Her top areas of expertise are Familial Short Stature (FSS), Idiopathic Short Stature (ISS), Short Stature (Growth Disorders), and Scoliosis.

Thieu Nguyen is a Pediatric Cardiologist in Saint Petersburg, Florida. Dr. Nguyen is rated as an Experienced provider by MediFind in the treatment of Koolen De Vries Syndrome. His top areas of expertise are Aortopulmonary Window, Aorta-Pulmonary Artery Fistula, Ventricular Septal Defects, and Patent Ductus Arteriosus.

Larry Ertel is a primary care provider, practicing in Family Medicine in Saint Petersburg, Florida. Dr. Ertel is rated as an Experienced provider by MediFind in the treatment of Koolen De Vries Syndrome. His top areas of expertise are Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, Hypertension, and Maturity Onset Diabetes of the Young.

Erin Petti is a Nurse Practitioner specialist and a Pediatric Neurologist in St Petersburg, Florida. Ms. Petti is rated as an Experienced provider by MediFind in the treatment of Koolen De Vries Syndrome. Her top areas of expertise are Transient Tic Disorder, Autism Spectrum Disorder, Genetic Epilepsy with Febrile Seizures Plus (GEFS+), and Aphantasia.