Coastside Health Center — Half Moon Bay, CA
Coastside Health Center is a community health center clinic at 225 Cabrillo Hwy S, Ste 100A, Half Moon Bay, CA 94019, open 58 hours a week. That is 18 more hours than the typical California clinic (40 a week). It is run by San Mateo County Health Services Agency, which serves 4,975 patients across 13 clinic locations.
- Address: 225 Cabrillo Hwy S, Ste 100A, Half Moon Bay, CA 94019 · Directions
- Phone: (650) 573-3941
- Website: www.sanmateo.ca.us
- Weekly hours: 58 (California clinic median: 40)
- Operated by: San Mateo County Health Services Agency (federally qualified health center)
- Care offered by this health center: primary care, dental care, mental health care, substance use treatment, eye exams, children’s checkups, women’s health, and telehealth
Care and screenings at San Mateo County Health Services Agency
Patients came to San Mateo County Health Services Agency for these services in 2025. The numbers cover the whole health center, not only this clinic.
| Service | Patients | What it counts |
|---|---|---|
| Dental care | 1,054 | patients had dental exams |
| Mental health care | 1,299 | patients treated for depression or anxiety |
| Substance use treatment | 94 | patients in treatment |
| Eye exams | 422 | patients had eye exams |
| Well-child visits | 251 | children had checkups |
| Flu shots | 836 | patients vaccinated |
| Cervical cancer screening | 113 | patients tested |
| Breast cancer screening | 356 | patients screened |
| Family planning | 304 | patients served |
| Diabetes care | 471 | patients with diabetes |
| Blood pressure care | 622 | patients with hypertension |
| Asthma care | 147 | patients with asthma |
| HIV testing | 630 | patients tested |
| Hepatitis C testing | 534 | patients tested |
| Childhood lead tests | 64 | children tested |
San Mateo County Health Services Agency also provides care by telehealth.
Who San Mateo County Health Services Agency serves
4,975 patients used San Mateo County Health Services Agency in 2025. 95% live at or below the poverty line and 98% are at or below twice the poverty line. 3,839 patients were experiencing homelessness and 36 were veterans.
| Measure | This center | CA median | U.S. median | vs CA |
|---|---|---|---|---|
| Patients at or below the poverty line | 95% | 75% | 65% | +20 pts |
| Patients at or below 200% of the poverty line | 98% | 95% | 92% | +3 pts |
| Measure | This center | CA median | U.S. median | vs CA |
|---|---|---|---|---|
| Uninsured patients | 21% | 8% | 14% | +14 pts |
| Medicaid or CHIP patients | 65% | 71% | 42% | −6 pts |
| Medicare patients | 11% | 8% | 11% | +3 pts |
| Privately insured patients | 2% | 10% | 24% | −8 pts |
Quality of care at San Mateo County Health Services Agency
San Mateo County Health Services Agency is at or above the California median on 2 of 7 preventive-care measures. Higher is better on every line.
| Measure | This center | CA median | U.S. median | vs CA |
|---|---|---|---|---|
| Adults with high blood pressure under control | 67% | 68% | 68% | −1 pts |
| Women 52–74 screened for breast cancer | 62% | 59% | 54% | +2 pts |
| Women 24–64 screened for cervical cancer | 35% | 60% | 54% | −24 pts |
| Adults 46–75 screened for colorectal cancer | 46% | 44% | 44% | +2 pts |
| Patients 12+ screened for depression | 38% | 68% | 77% | −30 pts |
| Adults assessed for tobacco use | 79% | 86% | 86% | −7 pts |
| High-risk adults on statin therapy | 74% | 79% | 79% | −5 pts |
Staffing at San Mateo County Health Services Agency
The health center employs 39 full-time-equivalent staff, including 7 physicians, nurse practitioners, physician assistants and midwives, 2 dental staff and 5 mental health staff. That is 711 patients per clinical provider against the California median of 869 and the U.S. median of 930. Patients made 37,297 visits, about 7.5 per patient.
Patients from ZIP 94019
1,050 San Mateo County Health Services Agency patients live in ZIP 94019, and 26% of them are uninsured. Other health centers also serve this ZIP:
- South County Community Health Center, Inc. — 54 patients from 94019
- Healthright 360 — 18 patients from 94019
Community health centers near Coastside Health Center
North East Medical Services - 35 Baywood
HealthRIGHT360- San Mateo Clinic
Ravenswood Family Dentistry
Gardner Packard Children's Health Center
North East Medical Services - 200 Linden
More San Mateo County Health Services Agency locations
Central County Mental Health Ctr
San Mateo County Homeless Navigation Center
South San Francisco Clinic
See all 13 San Mateo County Health Services Agency locations
More community health centers in Half Moon Bay and across California.