Carbon Health Urgent Care - San Mateo — San Mateo, San Francisco, CA
30 E 3rd Ave, San Mateo, CA 94401
Hours of Operation
Services Available
Accepted Insurance
About This Location
Carbon Health Urgent Care - San Mateo is a Carbon Health clinic — a modern, tech-forward urgent care and primary care network that has rapidly expanded across the Bay Area. Carbon Health combines walk-in and scheduled appointments with a strong mobile app experience, on-demand virtual care, and integrated electronic records. Services typically include treatment for minor injuries, infections, flu symptoms, allergic reactions, COVID-19 testing, X-ray imaging, lab tests, and some primary care. Most major commercial insurance plans, Medicare, and some Medi-Cal plans are accepted. Located in San Mateo, the clinic operates 9:00 AM – 7:00 PM on weekdays. The Carbon Health app provides online check-in, real-time wait times, and access to your medical records — reducing friction compared to traditional urgent care visits.
About San Mateo
San Mateo is a mid-Peninsula city of 105,000 with a downtown around B Street and 3rd Avenue that has become one of the most walkable and dining-rich on the Peninsula. It has a significant Asian-American population (especially Chinese- and Japanese-American) alongside longtime European-American and growing Hispanic communities. The city has Caltrain access to both SF and Silicon Valley, good schools, and anchored by Mills-Peninsula Medical Center (Sutter Health).
Frequently Asked Questions
Can I check in online before arriving?
Yes — the Carbon Health app lets you hold a spot in line before arrival, showing real-time wait times at every location. You can also book a scheduled appointment up to a few weeks in advance.
Do you accept my insurance?
Carbon Health accepts most major commercial insurance plans (Blue Cross Blue Shield, Aetna, Cigna, UnitedHealthcare, Anthem), Medicare, and many Medi-Cal plans. You can verify coverage during online check-in.
What services are available on-site?
Treatment for minor injuries, infections, flu symptoms, allergic reactions, UTIs, COVID-19 testing, travel medicine, vaccinations, some primary care, and (at select locations) X-ray imaging and on-site lab testing.
Is Carbon Health Urgent Care - San Mateo part of Carbon Health's broader network?
Yes — your Carbon Health visit at any location is integrated with your full Carbon Health medical record, so any future visit at any Carbon clinic has your history already available. The app also lets you message your care team and access records anytime.
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