Sea Mar CHC - Federal Way 18th Ave S — Federal Way, WA
Sea Mar CHC - Federal Way 18th Ave S is a community health center clinic at 31405 18th Ave S, Federal Way, WA 98003, open 48 hours a week. That matches the 48-hour week of a typical Washington clinic. It is run by Sea Mar Community Health Centers, which serves 224,458 patients across 71 clinic locations.
- Address: 31405 18th Ave S, Federal Way, WA 98003 · Directions
- Phone: (253) 681-6600
- Website: www.seamar.org
- Weekly hours: 48 (Washington clinic median: 48)
- Operated by: Sea Mar Community Health Centers (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 Sea Mar Community Health Centers
Patients came to Sea Mar Community Health Centers for these services in 2025. The numbers cover the whole health center, not only this clinic.
| Service | Patients | What it counts |
|---|---|---|
| Dental care | 58,263 | patients had dental exams |
| Mental health care | 45,144 | patients treated for depression or anxiety |
| Substance use treatment | 967 | patients in treatment |
| Eye exams | 1,225 | patients had eye exams |
| Well-child visits | 24,018 | children had checkups |
| Flu shots | 19,585 | patients vaccinated |
| Cervical cancer screening | 10,588 | patients tested |
| Breast cancer screening | 11,878 | patients screened |
| Family planning | 7,308 | patients served |
| Diabetes care | 19,924 | patients with diabetes |
| Blood pressure care | 25,999 | patients with hypertension |
| Asthma care | 9,199 | patients with asthma |
| HIV testing | 18,244 | patients tested |
| Hepatitis C testing | 16,935 | patients tested |
| Childhood lead tests | 4,846 | children tested |
Sea Mar Community Health Centers also provides care by telehealth.
Who Sea Mar Community Health Centers serves
224,458 patients used Sea Mar Community Health Centers in 2025. 60% live at or below the poverty line and 90% are at or below twice the poverty line. 8,353 patients were experiencing homelessness and 4,141 were veterans.
| Measure | This center | WA median | U.S. median | vs WA |
|---|---|---|---|---|
| Patients at or below the poverty line | 60% | 56% | 65% | +4 pts |
| Patients at or below 200% of the poverty line | 90% | 86% | 92% | +4 pts |
| Measure | This center | WA median | U.S. median | vs WA |
|---|---|---|---|---|
| Uninsured patients | 14% | 13% | 14% | +2 pts |
| Medicaid or CHIP patients | 57% | 46% | 42% | +11 pts |
| Medicare patients | 8% | 11% | 11% | −2 pts |
| Privately insured patients | 20% | 25% | 24% | −6 pts |
Quality of care at Sea Mar Community Health Centers
Sea Mar Community Health Centers is at or above the Washington median on 7 of 7 preventive-care measures. Higher is better on every line.
| Measure | This center | WA median | U.S. median | vs WA |
|---|---|---|---|---|
| Adults with high blood pressure under control | 75% | 71% | 68% | +4 pts |
| Women 52–74 screened for breast cancer | 59% | 51% | 54% | +8 pts |
| Women 24–64 screened for cervical cancer | 57% | 55% | 54% | +2 pts |
| Adults 46–75 screened for colorectal cancer | 49% | 42% | 44% | +7 pts |
| Patients 12+ screened for depression | 86% | 70% | 77% | +16 pts |
| Adults assessed for tobacco use | 92% | 84% | 86% | +8 pts |
| High-risk adults on statin therapy | 80% | 79% | 79% | +1 pts |
Patients from ZIP 98003
4,407 Sea Mar Community Health Centers patients live in ZIP 98003, and 19% of them are uninsured. Other health centers also serve this ZIP:
- Healthpoint — 6,968 patients from 98003
- Seattle-King County Public Health Dept — 452 patients from 98003
- Neighborcare Health — 398 patients from 98003
- Community Health Care — 267 patients from 98003
Community health centers near Sea Mar CHC - Federal Way 18th Ave S
Federal Way Public Hlth Ctr
HealthPoint Federal Way
Catholic Community Services Federal Way Day Center
HealthPoint Midway
HealthPoint Auburn
More Sea Mar Community Health Centers locations
Sea Mar CHC - Auburn N. Division St.
Sea Mar CHC - Des Moines S. 242nd St.
Sea Mar CHC - Tacoma 1215 S. 11th St.
Sea Mar CHC - Tacoma 1307 S. 11th St.
Sea Mar CHC - Tacoma S. Cushman Ave.
See all 71 Sea Mar Community Health Centers locations
More community health centers in Federal Way and across Washington.