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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.

Kum Su Sunny Hwang

Kum Su Sunny Hwang

Kum Su Sunny Hwang

MD

Contact me

Refer a patient

Contact me

Refer a patient

About me

Insurance plan info

Residencies

UCSF, Pediatrics
Degree

MD, UC Davis School of Medicine
Languages

English

Selected research

See all research

GPR161 structure uncovers the redundant role of sterol-regulated ciliary cAMP signaling in the Hedgehog pathway.
Nature structural & molecular biology
February 2024
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GPR161 structure uncovers the redundant role of sterol-regulated ciliary cAMP signaling in the Hedgehog pathway.
bioRxiv : the preprint server for biology
May 2023
Learn more

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Learning never stops

Our classroom and bedside classes help kids get credit and keep learning during treatment.

See our school program