Ascension Columbia St. Mary's Hospital - Ozaukee

In Mequon, WI, Ascension Columbia St. Mary's Hospital - Ozaukee is a critical care hospital and ER with advanced specialty care services.

Specialty and emergency care, close to home

Ascension Columbia St. Mary’s Hospital - Ozaukee Campus in Mequon, Wisconsin delivers specialty and 24/7 emergency care, with a level III trauma center.  Our Primary Stroke Center is Mequon’s advanced stroke center, and connected to specialists at our Comprehensive Stroke Center. Our care teams are here 24/7 - delivering advanced stroke care for even the most complex cases around the clock. We provide advanced surgical care for serious and life-threatening injuries and illnesses. Our care teams listen to understand your health needs and deliver care that's right for you. Ascension Columbia St. Mary’s Ozaukee is a destination for specialty care - including heart and vascular health, cancer care, wound care, orthopedics and surgery. We offer a wide range of minimally invasive procedures using robotic-assisted technology, imaging and lab tests, a dedicated inpatient rehabilitation center, all on one campus. 

Gold Level 1 Accredited Geriatric Emergency Department by the American College of Emergency PhysiciansAccredited Senior-Friendly ED award

At Ascension Columbia St. Mary's Hospital - Ozaukee, we're proud to be recognized as a Gold Level 1 Accredited Geriatric Emergency Department by the American College of Emergency Physicians. This means that seniors who visit our emergency department can trust that they'll receive exceptional, personalized care. Our specialized protocols, expert team, and advanced equipment are all in place to ensure the best possible experience for our older patients.