Dr. Wan-Yin Chan, Medical Director, Allergy and Immunology
Wan-Yin Chan, MD
is on staff at
CHOC Hospital Orange
Specialty:
Board Certified:
Languages:
Allergy / Immunology Referrals
Physicians can refer patients to CHOC through our eCeptionist Referral Portal.
Dr. Wan-Yin Chan is board certified in allergy & immunology. Prior to joining CHOC, Dr. Chan attended medical school at the College of Medicine at East Tennessee State University in Tennessee. She completed her pediatric residency and fellowship training in immunology, allergy and rheumatology at the University of California, Los Angeles. Dr. Chan speaks fluent Cantonese.
Education
- Allergy & Immunology Fellowship
UCLA Medical Center, Los Angeles, LA - Pediatrics Residency
UCLA Ronald Reagan Medical Center, Los Angeles, CA - Medical School
Quillen College of Medicine, East Tennessee State University, Johnson City
Administrative Appointments
- Medical Director, Allergy and Immunology
CHOC Specialists
Our allergists commonly treat:
- Acute, chronic and severe asthma
- Allergic rhinitis
- Allergic conjunctivitis
- Acute and chronic sinusitis
- Complicated eczema and atopic dermatitis
- Acute and chronic urticaria
- Drug and food allergies
- Stinging insect allergies
- Cellular immune deficiencies
- Antibody immune deficiencies
- Acute and chronic sinusitis
- Acute and chronic urticaria
- Acute, chronic and severe asthma
- Allergic conjunctivitis
- Allergic rhinitis
- Antibody immune deficiencies
- Cellular immune deficiencies
- Complicated eczema and atopic dermatitis
- Drug allergies
- Eosinophilic esophagitis
- Food allergies
- Stinging insect allergies
Wan-Yin Chan, MD in the News
Allergies
How to manage your child’s seasonal allergies
A CHOC allergist answers common questions about seasonal allergies for kids and how you can help manage them at home.
CHOC Health 
Allergies
What parents should know about anaphylaxis (severe allergic reactions) in kids
A CHOC allergist describes the warning signs, treatments and when to seek medical care for anaphylaxis (severe allergic reactions) in kids.
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Healthcare
CHOC Becomes SCID Referral Center
CHOC is now a referral center for babies with severe combined immune deficiency (SCID), filling a regional gap in care.
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Allergies
How to avoid or treat bee stings this summer
A CHOC pediatric allergist offers advice to caregivers on the hazards of bee stings, and how they can help prevent a child from being stung.
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Asthma
Protect Children with Asthma from Colds, Flu
Viruses more often than not will worsen asthma, says Dr. Wan-Yin Chan, a CHOC allergist/immunologist because of extra stress on airways.
CHOC Health 
Allergies
What Parents Can do Now to Prevent Allergy Flares Next Holiday Season
Before hastily packing away holiday decorations, parents can take steps now to help prevent a sudden surge of allergy symptoms next year.
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