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Clinics & Locations
Clinics & Locations
Here to serve you

Explore our network of care for kids, from the tiniest to teens and young adults.
Find a Doctor
Find a Doctor
- Find a Doctor
- Get a Second Opinion
World-class docs

We'll help you find the best provider for your child.
Your Visit
Your Visit
Stress-free visits

Accommodations. Admission. Discharge. Procedure prep. We've got you covered.
Patient Education
Patient Education
Extraordinary kid care

Our specialists handle conditions ranging from the common to the most rare.
Medical Professionals
Medical Professionals
Referrals made easy

Contacts and resources to get your patients to our pediatric specialists
Why Choose Us?
Why Choose Us?
Best in Northern CA

We're ranked #1 in pediatric cancer, heart surgery, cardiology & more.

John Huizar

John Huizar

John Huizar

MD

Contact me

Contact me

About me

Telehealth (video visits)

Insurance plan info

Board Certifications

American Board of Internal Medicine/Rheumatology, Rheumatology
American Board of Internal Medicine, Internal Medicine
Fellowships

UCSF School of Medicine -GME, Rheumatology
Degree

MD, UCSF School of Medicine

Selected research

See all research

Large-scale mutational analysis identifies UNC93B1 variants that drive TLR-mediated autoimmunity in mice and humans.
The Journal of experimental medicine
May 2024
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Large-scale mutational analysis identifies UNC93B1 variants that drive TLR-mediated autoimmunity in mice and humans.
The Journal of experimental medicine
May 2024
Learn more
NR4A nuclear receptors restrain B cell responses to antigen when second signals are absent or limiting.
Nature immunology
August 2020
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Fetal surgery firsts

The first open fetal surgery in the world was performed at UCSF in the early 1980s.