About

Patrick O'Brien, MD, is board-certified in internal medicine and earned his medical degree from the University of Wisconsin. He received cardiology training as a cardiology fellow at the Medical College of Wisconsin in Milwaukee, where he also completed his residency.

Education

Medical/Professional
  • University of Wisconsin - Madison
Internship
  • Medical College of Wisconsin - Affiliated Hospitals
Fellowship
  • Medical College of Wisconsin - Affiliated Hospitals

Qualifications

Hospital Affiliations
  • Ascension NE Wisconsin – St. Elizabeth Campus
  • Ascension Calumet Hospital
  • Ascension NE Wisconsin – Mercy Campus
  • Ascension NE Wisconsin – St. Elizabeth Campus Surgery Center
Certifications
  • American Board of Internal Medicine - Cardiovascular Disease
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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