Cardiology
William Oneill, MD
Naples, FL
Dr. William W. Oneill, MD, is a board-certified cardiologist specializing in cardiovascular disease, practicing in Naples, Florida. With over 45 years of experience, he focuses on the diagnosis and management of heart conditions as an internist subspecializing in cardiology. His expertise encompasses common cardiac disorders including coronary artery disease, hypertension, heart failure, arrhythmias, and valvular heart disease, typical of general cardiology practice. While specific techniques ar
45+
Years in Practice
Credentials
Board Certifications
- Cardiovascular Disease (ABIM)
- Internal Medicine (ABIM)
Education & Training
- Wayne State University School of Medicine — M.D., 1977
- University of Michigan — Fellowship, Cardiology
- Wayne State University — Residency, Internal Medicine
- University of Wisconsin Hospitals — Internship, 1978
Peer Recognition
- Castle Connolly — Top Doctor
2002-2026 (25 years)
Recognition & Leadership
Leadership Roles
- Medical Director, Center for Structural Heart Disease
Clinical Focus
Subspecialties
Interventional Cardiology
Conditions & Treatments
Coronary Artery DiseaseHeart Attack & Acute Coronary SyndromeCoronary InterventionValvular Heart Disease
Practice Details
Hospital Affiliations
- Henry Ford Hospital
- Corewell Health William Beaumont University Hospital
Languages
English, Spanish
Experience
45+ years in practice