San Diego County

3020 Children's Way
MC 5114
San Diego, CA 92123




Rady Children's Specialists of San Diego

Medical Group / IPA


Medical School

Flinders University of South Australia


University of Utah


University of Utah


Washington University School of Medicine

Board Certifications

Allergy/Immunology, Pediatrics


Dr. Sydney Leibel is a board-certified pediatric allergist/immunologist at Rady Children's Hospital-San Diego and an assistant professor of pediatrics at UC San Diego School of Medicine.

Dr. Leibel attended UC San Diego as an undergraduate before earning his medical degree at Flinders University in South Australia. He completed his residency in pediatrics at the University of Utah, then continued his fellowship training at Washington University in St. Louis. He completed a Master of Public Health through the University of Waterloo in Canada.

In addition to caring for allergy and immunology patients, Dr. Leibel helped develop Rady Children's Food Allergy Center and is working with the Pulmonary Medicine, Community Health Work, Psychology, Pharmacy and Social Work Departments to develop a multidisciplinary Severe Asthma Clinic. Through these clinics, he hopes to address social determinants of health and resilience in pediatric populations.

Dr. Leibel teaches medical students, residence and allergy/immunology fellows in both inpatient and outpatient settings.

A native Californian, Dr. Leibel enjoys spending time with his family, surfing and running.

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