Meet Our Allergy and Immunology Team
Jolan Walter, M.D. Ph.D.
Panida Sriaroon, M.D.
Mandel Sher, M.D.
Dr. Sher is an allergy and immunology specialist for the USF Pediatric Allergy/Immunology Program at Johns Hopkins All Children's Hospital and the University of South Florida Morsani College of Medicine, where he is a professor of pediatrics and internal medicine.
Dr. Sher is devoted to the diagnosis, treatment and management of children and adults with allergies, asthma, persistent cough, sinus disease and immunodeficiency disorders. He specializes in cough and offers patients effective and innovative care in the field. Dr. Sher is dedicated to medical education and has been training fellows in allergy and immunology since 1986. He has served as the interim division chief of Pediatric Allergy/Immunology at the University of South Florida and in leadership positions in the Florida Allergy, Asthma and Immunology Society.
Dr. Sher earned his medical degree from Northwestern University. He trained as a pediatric resident at Duke University and Boston Children's Hospital. He completed a fellowship in adolescent medicine at Boston Children's before completing fellowships in pediatric rheumatology and allergy and immunology at the University of Michigan Medical School.
Mark Ballow. M.D.
Dr. Ballow is physician in the USF Allergy/Immunology program at Johns Hopkins All Children’s Hospital. He is a professor in the Department of Pediatrics in the USF Morsani College of Medicine. From 1988 to 2012, Dr. Ballow was chief of the Division of Allergy, Immunology and Pediatric Rheumatology at Women and Children’s Hospital of Buffalo, an affiliate hospital of the SUNY Buffalo School of Medicine and Biomedical Sciences; training program director of the allergy/immunology fellowship program, and director of the Immunobiology Laboratory. He earned his medical degree from the University of Chicago School of Medicine. He completed his internship and residency in pediatrics at Yale New Haven Hospital in Connecticut, and then completed a fellowship in clinical immunology at University of Minnesota Hospitals.
Monica Hajirawala, M.D.
Dr. Hajirawala specializes in allergy and immunology medicine in the USF Pediatric Allergy/Immunology Program at Johns Hopkins All Children's Hospital. She joined the medical staff in 2022.
Dr. Hajirawala earned her medical degree from Florida International University Herbert Wertheim College of Medicine, Miami. She completed her pediatric residency at Children’s Hospital of New Orleans through Louisiana State University’s Department of Pediatrics, where she was the chief pediatric resident for her final year. Following her residency, she completed an allergy and immunology fellowship at Tulane University.
She has contributed to clinical research and presented at national conferences on high-risk allergy procedures including food challenges and aeroallergen/venom desensitizations. Her clinical interests include asthma, nonallergic and allergic rhinitis, food allergy, acute/chronic urticaria, atopic dermatitis and educating trainees.