Walk-In Urgent Care in Modesto, CA

Serving Modesto, Ceres, and surrounding Stanislaus County communities with fast, friendly care — no appointment needed.
A modern medical building labeled California Urgent Care, with an American flag flying in front, surrounded by landscaping and a clear blue sky. The facility is located beside a road with marked lanes. | California Urgent Care Center
Recognitions & Awards
A hexagon-shaped badge with Best of 209 2025 in bold text, a yellow ribbon below that says GOLD, and 209 Magazine at the bottom, all on a blue background with star accents. | California Urgent Care Center
Best of 209 Gold 2025 — 209 Magazine
A round black and gold badge reads San Joaquin Magazine 2024 Best of the Best Winner with a thumbs-up icon and a black ribbon below stating Celebrating 18 years!. | California Urgent Care Center
Best of 209 Award 2024 — 209 Magazine
A circular green and gold badge with white stars and the text: Manteca Ripon Lathrop Bulletin Readers Choice 2025. | California Urgent Care Center
Manteca Ripon Lathrop Bulletin Readers Choice 2025
About Our Manteca Clinic

Modesto's Trusted Urgent Care — Serving Stanislaus County Since 2011

California Urgent Care Center has been part of the Modesto community for over a decade, providing the people of Stanislaus County with fast, high-quality care for non-emergency medical needs. Our Roselle Avenue clinic is conveniently located and easily accessible to patients throughout Modesto, Ceres, and surrounding communities.

Whether it’s a sudden illness, a minor injury from work or play, a school or sports physical, or a same-day rapid test, our experienced team of practitioners is ready to help — without the long waits and high costs of a hospital emergency room.

We value you, your time, and your health. That’s why we keep our doors open seven days a week, from 9am to 9pm, and welcome walk-in patients every day. No appointment needed — just come in when you need us.

Same-Day Rapid Testing Available

No appointment required for flu, RSV, and COVID-19 testing at our Modesto location. Fast results so you can get the care you need without the wait.
Injuries & Conditions

What We Treat at Our Modesto Clinic

We handle a wide range of non-life-threatening injuries and illnesses. Not sure whether to come in? Give us a call — we’re happy to help you decide.

Skip the ER for Non-Emergency Care

We can treat most non-life-threatening conditions faster and at a lower cost than a hospital emergency room.
✅ California Urgent Care — Modesto
✓ Open 7 days, no appointment needed
✓ Typically shorter wait times
✓ Lower cost than ER visits
✓ Walk in and register online
✓ Telehealth option available
⚠️ Hospital Emergency Room
✗ Long wait times for non-critical cases
✗ Higher cost
✗ Exposure to more serious illnesses
✗ Designed for life-threatening emergencies
✗ Crowded environments

⚠️ If you are experiencing a life-threatening emergency, please call 911 or go to your nearest emergency room immediately.

Our Locations

Modesto — Plus 4 More Locations Across the Valley

Can’t make it to Modesto? We have 5 convenient locations serving San Joaquin and Stanislaus Counties.

Modesto

3500 Roselle Ave
Modesto, CA 95357
209-846-0725

Stockton – Lorraine

8001 Lorraine Avenue
Stockton, CA 95210
209-472-7400

Stockton – Pershing

5361 N. Pershing Ave, Suite A
Stockton, CA 95207
209-472-7444

Lodi

2122 West Kettleman Lane
Lodi, CA 95242
209-224-8517

Manteca

411 East Yosemite Avenue
Manteca, CA 95336
209-923-4701

Rapid Relief, Real Reviews

Frequently Asked Questions

We're Here to Help

Have a question about our Modesto clinic? Call us at 209-846-0725 or find answers below.

Do I Need Insurance for Urgent Care?
You do not need insurance to receive care at California Urgent Care Center. We accept patients from all walks of life, regardless of insurance coverage. We accept cash and credit card payments.
We accept certain insurance policies. You can find more information on the insurance companies we accept on our Payments and Information Page. Feel free to contact us if you have more specific questions about insurance.
Patient safety is our primary concern. We realize that during the pandemic, many people may not be able to make an appointment in person. At California Urgent Care Center, we offer telemedicine appointments. These are appointments that take place through a secure online platform or by telephone. By offering this service, we can provide you with a medical consultation from the comfort of your residence. We have more information on our telehealth appointments here.

We offer limited lab testing at our facilities. To receive more information on lab testing at California Urgent Care Center, please contact us.

Visit our Payments and Insurance Page to make a bill payment online. We have a payment portal. You can also make a payment in person at the location where you received services.

A female healthcare professional in blue scrubs and a stethoscope talks with an older adult patient. They are indoors, and the healthcare worker appears attentive and caring. A red medical cross symbol is in the bottom left corner. | California Urgent Care Center

No insurance? No problem. We accept cash and credit card for all self-pay patients. Quality care is available to everyone in the Modesto community.

Your Insurance, Our Care

We accept a wide range of insurance providers at our Modesto location. Call us at 209-846-0725 for questions about your specific plan.

The word Medicare is written in large blue letters, underlined with a blue line and topped with a red line, both extending the length of the word, on a light background. | California Urgent Care Center
Logo featuring two stylized hands forming a heart shape, one purple and one blue, above the word Medi-Cal in blue cursive text. | California Urgent Care Center
Logo for Health Plan of San Joaquin featuring blue text and a stylized orange and blue butterfly above the word Plan, with a green horizontal line separating the text lines. | California Urgent Care Center
White Humana logo in bold, sans-serif font on a solid light green background. | California Urgent Care Center
Logo for Health Plan of San Joaquin featuring blue text and a stylized orange and blue butterfly above the word Plan, with a green horizontal line separating the text lines. | California Urgent Care Center
Health Net logo with a green oval containing a large white H and a small n above it. The words Health Net appear below in gray letters on a light background. | California Urgent Care Center
Cigna logo featuring a stylized tree with green leaves and a blue figure in the center, next to the word Cigna in blue text on a light background. | California Urgent Care Center
The Aetna logo in bold, purple lowercase letters on a light gray background. | California Urgent Care Center

Have a Question?

Our team is happy to answer your questions.

Our Blog

Visit our blog for more information about our urgent care services!