Make Sure Your Child Has Healthcare
Making sure your child has healthcare coverage helps protect both you and your child.
Apply for Medi-Cal
Contact the San Mateo County Human Services Agency (HSA)
Phone: 1-800-223-8383
Fax: 1-650-654-8885
In-person: Find an HSA office near you
Online: Apply now
If you are already an HPSM member, make sure you give the HSA your Medi-Cal Client Index Number (CIN), which can be found on your HPSM ID card. If you lose your HPSM ID card, request a new one.

Medi-Cal for Kids & Teens
All the care your child needs at no cost to you
Medi-Cal for Kids & Teens provides services at no cost to HPSM members. Covered services that help keep your child healthy from birth to age 21 include:
- Check-ups (also known as well visits)
- Dental visits, including an exam to see if your child needs braces
- Vaccines and health screenings
- Treatments for physical and mental health problems
The brochures below aim to improve members’ understanding of how Medi-Cal for Kids & Teens works, what it covers, and its role in preventive care screening, diagnosis and treatment:
- The child brochure is for children up to age 12
- The teen brochure is for ages 12-21
- This letter called Medi-Cal for Kids & Teens: Your Medi-Cal Rights explains what members' options are if medically necessary care is denied, delayed, reduced or stopped
Looking for health tips for children ages 13 to 21? Check out our Teen Health Tips pages.