Jolan Walter is a Pediatric Allergy and Immunologist in St Petersburg, Florida. Dr. Walter is rated as an Advanced provider by MediFind in the treatment of X-Linked Agammaglobulinemia. Her top areas of expertise are Severe Combined Immunodeficiency (SCID), Primary Immunodeficiency (PID), Infantile Neutropenia, and Common Variable Immune Deficiency.

Dr. Sriaroon is the medical director of the outpatient USF Allergy/Immunology clinic at Johns Hopkins All Children’s Hospital and the director of the USF Pediatric Allergy/Immunology fellowship training program. She is also the medical director of the Johns Hopkins All Children's Food Allergy Clinic. She is an associate professor of internal medicine and pediatrics at the University of South Florida (USF) Morsani College of Medicine. Dr. Sriaroon sees patients with various allergic and immunologic conditions and teaches medical students, residents and fellows. She has been invited to give presentations nationally and internationally. Her clinical and research interests include food allergy and primary antibody immunodeficiency. She has authored several peer-reviewed articles and has ongoing clinical trials on food allergy and immunoglobulin therapy. Currently, Dr. Sriaroon serves as USF site director of Food Allergy Research & Education (FARE) Clinical Network. Dr. Sriaroon received her medical degree from the Chulalongkorn University in Thailand. She completed her pediatric residency at Mount Sinai Hospital in Chicago and a fellowship in allergy/immunology at USF. She joined the faculty at USF and the medical staff at Johns Hopkins All Children’s in 2009. Dr. Sriaroon is rated as an Experienced provider by MediFind in the treatment of X-Linked Agammaglobulinemia. Her top areas of expertise are Food Allergy, Asthma, Common Variable Immune Deficiency, and Primary Immunodeficiency (PID).

Jennifer Leiding, M.D., is associate director for clinical research in the Johns Hopkins All Children’s Institute for Clinical and Translational Research and assistant director of the Center for Cellular and Gene Therapy in the Johns Hopkins All Children’s Cancer & Blood Disorders Institute. She is also an associate professor of pediatrics (pending academic review) based on the St. Petersburg, Florida, campus in the Johns Hopkins University of School of Medicine. Dr. Leiding, whose clinical specialty is allergy and immunology, focuses on strategic growth of, and mentorship in, clinical research and early-phase trials campus-wide, as well as cellular and gene therapies for cancer and blood disorders. Her personal line of research and national leadership focuses on cooperative multicenter studies of primary immunodeficiency diseases, including chronic granulomatous disease (CGD) and other rare diseases in children. She returned to Johns Hopkins All Children’s in 2024 after previously serving on the faculty at the USF Morsani College of Medicine and the medical staff of All Children’s for nearly a decade. In between, she worked as a medical director at a gene therapy-focused biotech company. Dr. Leiding earned her medical degree from USF before training there as an intern and resident in pediatrics. She completed her clinical and research fellowship in both allergy and immunology at the National Institute of Allergy and Infectious Diseases. Dr. Leiding is rated as an Experienced provider by MediFind in the treatment of X-Linked Agammaglobulinemia. Her top areas of expertise are Chronic Granulomatous Disease, Primary Immunodeficiency (PID), Severe Combined Immunodeficiency (SCID), and Clouston Syndrome.

Monica Hajirawala is an Allergy and Immunologist in Saint Petersburg, Florida. Dr. Hajirawala has been practicing medicine for over 10 years and is rated as an Experienced provider by MediFind in the treatment of X-Linked Agammaglobulinemia. Her top areas of expertise are Anaphylaxis, Primary Immunodeficiency (PID), Diphtheria, and Ozena.

Dr. Yates specializes in the treatment of pediatric immunodeficiency disorders and childhood allergy in the USF Pediatric Allergy/Immunology Program at Johns Hopkins All Children's Hospital. He joined the faculty at USF and the medical staff at Johns Hopkins All Children’s in 2025. He has specialized training in the treatment and management of disorders of congenital athymia such as 22q11.2 deletion syndrome. He also manages patients with food allergies, asthma, eczema, environmental allergies and drug allergies. Dr. Yates has a particular interest in medical education and has educated medical students, residents and fellows in allergy and immunology with particular focus on immunodeficiency diseases. He has previously served as the director of newborn screening for severe combined immunodeficiency disease (SCID). Dr. Yates has been asked to speak to local, national and international audiences about primary immunodeficiency disease. He is active with the Immune Deficiency Foundation and has been invited to speak to patients and families about navigating life with an immunodeficiency. Dr. Yates earned his medical degree from Georgetown University School of Medicine before completing his pediatric residency at Phoenix Children’s Hospital. He received training in allergy and immunology from Duke University Medical Center. Dr. Yates is rated as an Experienced provider by MediFind in the treatment of X-Linked Agammaglobulinemia. His top area of expertise is X-Linked Agammaglobulinemia.

Stephen Klemawesch is an Internal Medicine provider in Saint Petersburg, Florida. Dr. Klemawesch is rated as an Advanced provider by MediFind in the treatment of X-Linked Agammaglobulinemia. His top areas of expertise are Grass Allergy, Allergic Rhinitis, Sinusitis, and X-Linked Agammaglobulinemia.

Ahmad Shaker is a Hematologist in Saint Petersburg, Florida. Dr. Shaker is rated as an Experienced provider by MediFind in the treatment of X-Linked Agammaglobulinemia. His top areas of expertise are Anemia, Non-Hodgkin Lymphoma, Monoclonal Gammopathy of Undetermined Significance (MGUS), Childhood Iron Deficiency Anemia, and Bone Marrow Aspiration. Dr. Shaker is currently accepting new patients.