Dr. Michael L. Nieder

Aleksandra Petrovic is a Pediatric Hematologist Oncology provider in St Petersburg, Florida. Dr. Petrovic is rated as a Distinguished provider by MediFind in the treatment of Infantile Neutropenia. Her top areas of expertise are Severe Combined Immunodeficiency (SCID), X-Linked Severe Combined Immunodeficiency, Graft Versus Host Disease (GvHD), Bone Marrow Transplant, and Vitrectomy.

Gregory Hale is a Pediatric Hematologist Oncology provider in St Petersburg, Florida. Dr. Hale is rated as an Advanced provider by MediFind in the treatment of Infantile Neutropenia. His top areas of expertise are Leukemia, Acute Lymphoblastic Leukemia (ALL), Chronic Graft Versus Host Disease (cGvHD), Graft Versus Host Disease (GvHD), and Bone Marrow Transplant.

Dr. Chellapandian is the division chief of blood and marrow transplant and specializes in bone marrow transplant as a hematologist-oncologist and serves as Director of the Center for Cell and Gene Therapy for Non-Malignant Conditions (CCGNC) in the Johns Hopkins All Children’s Cancer & Blood Disorders Institute. He joined the hospital staff in 2017. Dr. Chellapandian earned his medical degree from Madurai Medical College and then trained at Postgraduate Institute of Medical Education and Research, both in India. He completed a residency in pediatrics at Albert Einstein Medical Center in Philadelphia. Dr. Chellapandian completed a pediatric hematology-oncology and bone marrow transplantation fellowship at Hospital for Sick Children/University of Toronto and an advanced fellowship on bone marrow transplantation and cellular therapy at St. Jude Children’s Research Hospital in Memphis, Tennessee. Dr. Chellapandian's clinical and research interests include hematopoietic stem cell transplant for primary immunodeficiency, immune dysregulation disorders, sickle cell disease, thalassemia, and treatment of histiocytic disorders. He has special focus on ex-vivo graft engineering techniques and autologous gene therapy. He has adapted new methods of T- cell depletion using haploidentical transplantation to transplant patients lacking a suitable matched donor. He has numerous scientific papers and review articles published in this field. Dr. Chellapandian is rated as an Experienced provider by MediFind in the treatment of Infantile Neutropenia. His top areas of expertise are Severe Combined Immunodeficiency (SCID), Non-Langerhans-Cell Histiocytosis, Infantile Neutropenia, Histiocytosis, and Bone Marrow Transplant.