Sydney Leibel, M.D.


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




Rady Children's Specialists of San Diego

Medical Group / IPA

Rady Children's Specialists

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 is currently studying to earn 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, Psychology 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.


Update on allergen immunotherapy for treatment of allergic diseases.
Kwong KY, Leibel S

Attention-deficit/hyperactivity disorder stimulant medication reaction masquerading as chronic cough.
Leibel S, Bloomberg G

Human immunodeficiency virus type 1 Vpr protein does not modulate surface expression of the CD4 receptor.
Argañaraz E, Cortés MJ, Leibel S, Lama J

See the full listing of this physician's publications on PubMed, a service of the National Library of Medicine.

PubMed is a third-party website and not affiliated with Rady Children's Hospital-San Diego.