Schedule your COVID-19 vaccine wherever possible. Please do not call your doctor as they cannot schedule an appointment for you. Learn more.

Scripps HealthExpress San Marcos

COVID-19 update

If you suspect you have symptoms of COVID-19, please call our nurse line at 888-261-8431 before coming in or use one of our virtual care options. Do not schedule online. For general guidance on COVID-19, visit cdc.gov or call the county hotline at 2-1-1. HealthExpress is not currently administering COVID-19 vaccines as part of our services for walk-in care. Please read the latest updates about vaccine distribution at Scripps.

A provider with a mask on interacting with a patient.
Scripps HealthExpress San Marcos
111 Campus Way
Suite 301
San Marcos, CA 92078
Get directions
Main Phone
858-554-7439
    HealthExpress Walk-In Clinic Hours

    Mon - Fri: 7 am - 8 pm

    Sat - Sun: 8 am - 5 pm

    Holidays: 8 am - 5 pm

Adult and kids 2+

Convenient walk-in clinic for same-day care in San Marcos

HealthExpress walk-in clinic in San Marcos provides care for minor illnesses and injuries, as well as select vaccinations. HealthExpress treats patients age 2 and older. The clinic is open every day with expanded hours including weekends and holidays.


HealthExpress is located in Scripps Coastal Medical Center San Marcos, off Highway 78 and Twin Oaks Valley Road in the North City area of San Marcos. Download and print a map of our campus (PDF, 120 KB).


Our same-day, walk-in clinic provides care for a number of communities in North County San Diego, including North City San Marcos, San Elijo, Escondido, Valley Center and Fallbrook. Onsite free parking is available.

Walk-in clinic services and payment options

Scripps HealthExpress accepts most health insurance plans, and your visit is billed as a primary care office visit (excluding sports physicals). If you are paying out-of-pocket or making a co-pay, we accept credit cards, cash and checks.

Frequently asked questions about Scripps HealthExpress

Get answers to frequently asked questions about Scripps HealthExpress walk-in clinics, including information about reserving a spot in line, getting prescriptions filled and obtaining medical records.