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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.

Mark Petersen

Mark Petersen

Mark Petersen

MD

Neonatologist

Contact me

Contact me

About me

Telehealth (video visits)

Insurance plan info

Board Certifications

American Board of Pediatrics, Neonatal-Perinatal Medicine
American Board of Pediatrics, Pediatric Nurse Practitioner
Fellowships

UCSF School of Medicine -GME, Pediatric Neonatal-Perinatal
Residencies

Lucile Salter Packard Childrens Hospital -Stanford, Pediatrics
Internship

Lucile Salter Packard Childrens Hospital -Stanford, Pediatrics
Degree

MD, University of Iowa College of Medicine

Where I see patients (3)

Selected research

See all research

Beyond the barrier: Targeting blood-brain interactions for neuroprotection and repair.
Neural regeneration research
September 2025
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Extending the Branches of Neonatal Neurocritical Care.
Seminars in perinatology
September 2025
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Pioneering discovery and therapeutics at the brain-vascular-immune interface.
Cell
October 2024
Learn more

Contact me

Soothing the soul

Our music therapy program nurtures patients with bedside serenades, rap workshops and more.