Hello, I'm Katie Rettler, an advanced practice nurse practitioner for Affinity Medical Group. I provide comprehensive cardiology care to adults. I have special interest in treating hypertension and arrhythmias, as well as managing lipids and reducing the risk for heart disease. My goal is to establish ... Read More


Concordia University-Wisconsin


Hospital Affiliations
Ascension St Elizabeth Hospital - WI
Ascension Calumet Hospital - WI
Ascension Mercy Hospital - WI
Ascension St Elizabeth Hospital Surgery Center
Katie Rettler, APNP offers services at multiple WI locations.
Contact your prefered location to book an appointment.
Why Ascension
Ascension doctors are committed to getting to know you. They take time for real back-and-forth conversations with you so they can understand all aspects of you and your life. Because great care starts with seeing your whole picture.
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