Nuruddin Jooma is an Oncologist and a Hematologist in Clearwater, Florida. Dr. Jooma is rated as an Advanced provider by MediFind in the treatment of Immune Thrombocytopenic Purpura (ITP). His top areas of expertise are Lung Cancer, Pleuropulmonary Blastoma, Paget Disease of the Breast, and Familial Colorectal Cancer. Dr. Jooma is currently accepting new patients.

Sreedhar Katragadda is a Hematologist Oncology specialist and a Hematologist in Clearwater, Florida. Dr. Katragadda is rated as an Advanced provider by MediFind in the treatment of Immune Thrombocytopenic Purpura (ITP). His top areas of expertise are Colorectal Cancer, Lung Cancer, Inflammatory Breast Cancer, and Paget Disease of the Breast. Dr. Katragadda is currently accepting new patients.

Hitesh Patel is an Oncologist and a Hematologist in Clearwater, Florida. Dr. Patel is rated as an Advanced provider by MediFind in the treatment of Immune Thrombocytopenic Purpura (ITP). His top areas of expertise are Familial Pancreatic Cancer, Heart Failure with Preserved Ejection Fraction (HFpEF), Urothelial Cancer, and Breast Cancer. Dr. Patel is currently accepting new patients.

Kerry Chamberlain is an Oncologist and a Hematologist in Largo, Florida. Dr. Chamberlain is rated as an Experienced provider by MediFind in the treatment of Immune Thrombocytopenic Purpura (ITP). His top areas of expertise are Lung Cancer, Pleuropulmonary Blastoma, Paget Disease of the Breast, Myelodysplastic Syndrome (MDS), and Sleeve Gastrectomy. Dr. Chamberlain is currently accepting new patients.

Neeharika Makani is a Hematologist Oncology specialist and a Hematologist in Largo, Florida. Dr. Makani is rated as an Experienced provider by MediFind in the treatment of Immune Thrombocytopenic Purpura (ITP). Her top areas of expertise are Anemia, Childhood Iron Deficiency Anemia, Iron Deficiency Anemia, Dehydration, and Bone Marrow Aspiration. Dr. Makani is currently accepting new patients.

Timothy Light is a primary care provider, practicing in Family Medicine in Clearwater, Florida. Dr. Light is rated as an Experienced provider by MediFind in the treatment of Immune Thrombocytopenic Purpura (ITP). His top areas of expertise are Acute Kidney Failure, Lung Metastases, Sepsis, Ureteroscopy, and Gastrostomy. Dr. Light is currently accepting new patients.

Michael Wanger is a primary care provider, practicing in Internal Medicine in Clearwater, Florida. Dr. Wanger is rated as an Experienced provider by MediFind in the treatment of Immune Thrombocytopenic Purpura (ITP). His top areas of expertise are Sitosterolemia, Glucocorticoid-Remediable Aldosteronism, Hypertension, Ureteroscopy, and Endoscopy. Dr. Wanger is currently accepting new patients.

John Fox is a primary care provider, practicing in Internal Medicine in Clearwater, Florida. Dr. Fox is rated as an Experienced provider by MediFind in the treatment of Immune Thrombocytopenic Purpura (ITP). His top areas of expertise are Cirrhosis, Xanthoma, Familial Combined Hyperlipidemia, Ureteroscopy, and Vertebroplasty. Dr. Fox is currently accepting new patients.

Mark Smitherman is a primary care provider, practicing in Internal Medicine in Clearwater, Florida. Dr. Smitherman is rated as an Experienced provider by MediFind in the treatment of Immune Thrombocytopenic Purpura (ITP). His top areas of expertise are Hypothyroidism, Obesity in Children, High Cholesterol, and Vitamin D Deficiency.

Don Luong is a Hematologist in Largo, Florida. Dr. Luong is rated as an Experienced provider by MediFind in the treatment of Immune Thrombocytopenic Purpura (ITP). His top areas of expertise are Myelodysplastic Syndrome (MDS), Anemia, Primary Lymphoma of the Brain, and Myelofibrosis.

Sung Byun is a Hematologist Oncology specialist and an Oncologist in Largo, Florida. Dr. Byun is rated as an Experienced provider by MediFind in the treatment of Immune Thrombocytopenic Purpura (ITP). His top areas of expertise are Sickle Cell Disease, Pleuropulmonary Blastoma, Lung Cancer, and Thrombocytopenia. Dr. Byun is currently accepting new patients.

Lane Ziegler is an Oncologist and a Hematologist in Largo, Florida. Dr. Ziegler is rated as an Experienced provider by MediFind in the treatment of Immune Thrombocytopenic Purpura (ITP). His top areas of expertise are Paget Disease of the Breast, Lung Cancer, Pleuropulmonary Blastoma, and Myelodysplastic Syndrome (MDS). Dr. Ziegler is currently accepting new patients.

Sridhar Srinivasan is a Hematologist and an Oncologist in Clearwater, Florida. Dr. Srinivasan is rated as an Experienced provider by MediFind in the treatment of Immune Thrombocytopenic Purpura (ITP). His top areas of expertise are Hodgkin Lymphoma, Non-Hodgkin Lymphoma, Pleuropulmonary Blastoma, and Paget Disease of the Breast.

Jose Alemar is an Oncologist and a Hematologist in Safety Harbor, Florida. Dr. Alemar is rated as an Advanced provider by MediFind in the treatment of Immune Thrombocytopenic Purpura (ITP). His top areas of expertise are Pleuropulmonary Blastoma, Lung Cancer, Breast Cancer, and Muscle Invasive Bladder Cancer. Dr. Alemar is currently accepting new patients.

Dr. Ayala is the director of the Hemophilia and Bleeding Disorders Treatment Center at Johns Hopkins All Children's Hospital. She also is the hematology leader of the Young Women Bleeding Disorders/Menorrhagia Clinic, which focuses on a multidisciplinary approach to bleeding symptoms in girls and young women. Dr. Ayala also is involved in the Immune Dysregulation Clinic, which evaluates patients with autoimmune cytopenias in a multidisciplinary approach. Dr. Ayala joined the hospital in 2000. She was the chair of the Division of Hematology/Oncology between 2013-2017 and also served as interim director for the division between 2015-2016. Dr. Ayala's research experience includes multicenter national and international projects. Dr. Ayala received her medical degree from the University of Puerto Rico School of Medicine, her residency training at the San Juan City Hospital in Puerto Rico and her fellowship training at the Emory University School of Medicine Division of Pediatric Hematology/Oncology. Dr. Ayala is a member of the American Society of Pediatric Hematology/Oncology and the Hemophilia and Thrombosis Research Society. Dr. Ayala is rated as an Experienced provider by MediFind in the treatment of Immune Thrombocytopenic Purpura (ITP). Her top areas of expertise are Hemophilia A, Venous Thromboembolism (VTE), Blood Clots, and Evans Syndrome.

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 Immune Thrombocytopenic Purpura (ITP). Her top areas of expertise are Aase Syndrome, Pure Red Cell Aplasia, Aplastic Anemia, and Transient Erythroblastopenia of Childhood.

Dr. Mayer is a pediatric hematologist-oncologist in the Johns Hopkins All Children’s Cancer & Blood Disorders Institute. She specializes in the diagnosis and management of patients with acute lymphoblastic leukemia (ALL), acute myeloid leukemia (AML), chronic myeloid leukemia (CML), Hodgkin lymphoma and non-Hodgkin lymphoma. She is also the medical director of the Vascular Anomalies and Birthmarks Program at the hospital. She cares for patients with benign and aggressive vascular tumors, lymphatic and venous malformations, and overgrowth syndromes. She was named the William A. Baumgartner Physician of the Year for Johns Hopkins All Children's in the 2024 Johns Hopkins Medicine Clinical Awards. She previously received the hospital’s Best Consulting Physician Award in 2017. Dr. Mayer is the author of more than 30 publications and two textbook chapters. She has presented over 22 research abstracts at national and international medical conferences. She is program director of a three-year fellowship training program in pediatric hematology-oncology on the St. Petersburg, Florida, campus. Dr. Mayer joined Johns Hopkins All Children’s in 1996. Dr. Mayer received her medical degree with honors from Dartmouth Medical School in New Hampshire. She completed her pediatric residency, hematology-oncology fellowship, and clinical research fellowship at Yale University School of Medicine in Connecticut. She is a fellow of the American Academy of Pediatrics and an active member and clinical researcher with Children’s Oncology Group, American Society of Pediatric Hematology-Oncology, and the International Society for the Study of Vascular Anomalies. Dr. Mayer is rated as an Experienced provider by MediFind in the treatment of Immune Thrombocytopenic Purpura (ITP). Her top areas of expertise are Acute Lymphoblastic Leukemia (ALL), Evans Syndrome, Acute Monoblastic Leukemia (AmoL), and Teratoma of the Mediastinum.

Dr. Betensky is an assistant professor of Pediatrics in the Division of Hematology at Johns Hopkins University School of Medicine and a pediatric hematologist in the Johns Hopkins All Children’s Cancer & Blood Disorders Institute in St. Petersburg, Florida. Dr. Betensky is director of the hospital's pediatric thrombosis program, providing care for patients with complex thrombotic disorders. She has received various grants and awards to support her research in pediatric venous thromboembolism. Dr. Betensky also has worked to provide medical education, develop research collaborations, and build capacity of hematology programs in Latin America Dr. Betensky earned her medical degree at Universidad Anahuac in Mexico City, Mexico and her masters of public health at Boston University School of Public Health. She completed her pediatric residency and fellowship in Pediatric Hematology-Oncology at Children’s Hospital of Philadelphia. Dr. Betensky is rated as an Experienced provider by MediFind in the treatment of Immune Thrombocytopenic Purpura (ITP). Her top areas of expertise are Venous Thromboembolism (VTE), Mesenteric Venous Thrombosis, Multisystem Inflammatory Syndrome in Children (MIS-C), Anemia, and Thrombectomy.

Dr. Metts specializes in pediatric hematology/oncology in the Johns Hopkins All Children's Cancer & Blood Disorders Institute. He sees patients on our main campus in St. Petersburg and at the Johns Hopkins All Children’s Outpatient Care Center in Tampa. He joined the hospital in 2016. He received his medical degree from the University of South Carolina School of Medicine and completed an internship and residency in pediatrics at Johns Hopkins All Children’s Hospital through the University of South Florida Morsani School of Medicine. Dr. Metts then trained at Emory University School of Medicine as a pediatric hematology/oncology fellow. His clinical interests include sarcomas, rare solid tumors, and Phase 1 and Phase 2 trials for pediatric solid tumors. Dr. Metts is rated as an Experienced provider by MediFind in the treatment of Immune Thrombocytopenic Purpura (ITP). His top areas of expertise are Osteosarcoma, Ewing Sarcoma, Rhabdomyosarcoma, and Adult Soft Tissue Sarcoma.

Dr. Cruz Flores is a pediatric oncologist at Johns Hopkins All Children’s. She joined the hospital staff in 2020. She earned her medical degree from the University of Puerto Rico School of Medicine. She completed an internship and residency in pediatrics at the University of Puerto Rico School of Medicine, where she also served as chief resident. She completed a fellowship in pediatric hematology-oncology at Louisiana State University Health Sciences Center/Children’s Hospital New Orleans, followed by a fellowship in pediatric neuro-oncology at Johns Hopkins All Children’s. Dr. Flores is rated as an Experienced provider by MediFind in the treatment of Immune Thrombocytopenic Purpura (ITP). Her top areas of expertise are Immune Thrombocytopenic Purpura (ITP) and Neurofibromatosis Type 1 (NF1).