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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.

Josiah Gerdts

Josiah Gerdts

Josiah Gerdts

MD, PhD

Contact me

Contact me

About me

Telehealth (video visits)

Insurance plan info

Board Certifications

American Board of Internal Medicine, Neurology
Degree

MD, Washington University School of Medicine in St. Louis

Selected research

See all research

Antigen specificity of clonally enriched CD8+ T cells in multiple sclerosis.
Nature immunology
February 2026
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Antigen specificity of clonally enriched CD8+ T cells in multiple sclerosis.
Nature immunology
February 2026
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Antigen-Specific T Cell Receptor Discovery for Treating Progressive Multifocal Leukoencephalopathy.
bioRxiv : the preprint server for biology
November 2024
Learn more

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Tender wagging care

Our therapy dogs spread joy and smiles at the bedside and throughout the hospital.

Visit Child Life services