Ascension Columbia St. Mary's Gateway Immediate Care

801 S 70th St, West Allis, WI 53214

schedule Mon–Fri: 9:00 AM – 5:00 PM

directions Get Directions call (414) 773-6600

schedule Hours of Operation

Monday 9:00 AM – 5:00 PM

Tuesday 9:00 AM – 5:00 PM

Wednesday 9:00 AM – 5:00 PM

Thursday 11:00 AM – 7:00 PM

Friday 11:00 AM – 7:00 PM

Saturday 8:00 AM – 12:00 PM

Sunday Closed

medical_services Services Available

Walk-in Care Lab Testing COVID-19 Testing Flu Testing Minor Injury Care

verified Accepted Insurance

check_circle Aetna

check_circle Anthem Blue Cross Blue Shield of Wisconsin

check_circle UnitedHealthcare

check_circle Cigna

check_circle Humana

check_circle Medicare

check_circle Wisconsin Medicaid

About This Location

Ascension Columbia St. Mary's Gateway Immediate Care is part of Ascension Wisconsin — the Wisconsin regional operations of Ascension, one of the largest Catholic nonprofit health systems in the United States. Ascension Wisconsin operates Ascension Columbia St. Mary's Hospital Milwaukee (downtown), Ascension Columbia St. Mary's Hospital Ozaukee (Mequon), Ascension SE Wisconsin Hospital Franklin, Ascension Elmbrook Memorial (Brookfield), Ascension All Saints (Racine), Ascension St. Francis, and a broad network of Ascension Wisconsin Medical Group primary care and urgent care clinics. As a Catholic health system, Ascension follows Catholic Ethical and Religious Directives (ERDs) while maintaining a strong charity care commitment.

location_city About West Allis

West Allis is a Milwaukee County suburb of about 60,000 immediately southwest of Milwaukee, home to the Wisconsin State Fair Park (hosting the annual Wisconsin State Fair each August), State Fair Park Speedway, and historic industrial heritage tied to the Allis-Chalmers manufacturing company. West Allis features a mix of early-20th century bungalows, mid-century housing, and significant retail along Greenfield Avenue.

Frequently Asked Questions

Is Ascension Columbia St. Mary's Gateway Immediate Care a Catholic hospital or urgent care?

Yes — Ascension Wisconsin is part of Ascension, one of the largest Catholic nonprofit health systems in the US. Ascension follows Catholic Ethical and Religious Directives (ERDs), which may affect certain reproductive health services. Ascension maintains a strong community benefit commitment with charity care programs for uninsured patients.

What insurance does Ascension Columbia St. Mary's Gateway Immediate Care accept?

Ascension Wisconsin accepts most major insurance plans including Anthem Blue Cross Blue Shield of Wisconsin, Aetna, UnitedHealthcare, Cigna, Humana, WPS Health, Network Health, Medicare, and Wisconsin Medicaid. Call ahead to verify your specific plan.

What services are available at Ascension Columbia St. Mary's Gateway Immediate Care?

Ascension Wisconsin urgent care provides walk-in treatment for non-emergency illnesses and injuries, X-ray, lab testing, and referral access to the Ascension hospital network. For emergencies, go to Ascension Columbia St. Mary's Milwaukee, Ascension Columbia St. Mary's Ozaukee, or another Ascension hospital Emergency Department.