Accepting New Patients
Meet John
Dr. John Onufer has personally performed over 3,000 catheter ablation procedures and implanted over 2,000 pacemakers and implantable cardioverter defibrillators. Dr. Onufer has also been the principal investigator in numerous research studies to promote the development of innovative therapies for heart rhythm disorders. He was recently recognized as “Top Doctor” by Chicago Magazine.
Overview
- Gender
- Male
- Hospital Affiliations
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St. Mary's Hospital
Experience
Provider Education
Washington University School Of Medicine Fellowship, Cardiovascular Disease, 1991
Washington University School Of Medicine Fellowship, Clinical Cardiac Electrophysiology, 1990
Washington University School Of Medicine Fellowship, Cardiovascular Disease, 1989
Washington University School Of Medicine Residency, Cardiology, 1989
Washington University School Of Medicine Residency, Internal Medicine, 1987
Washington University School Of Medicine Internship, Internal Medicine, 1985
Washington University School Of Medicine Medical School, 1984
Certifications
American Board of Internal Medicine (Internal Medicine, Cardiovascular Disease) Board Certification
American Board of Internal Medicine (Internal Medicine, Clinical Cardiac Electrophysiology) Board Certification
American Board of Internal Medicine (Internal Medicine) Board Certification
Places of Care
Ratings & Reviews
We believe in your choice to find the best care possible. With that in mind, it’s important to us that you have all the information you need readily available when considering making an appointment. We think it’s key that you understand how the Patient Satisfaction Rating works. Learn more about our survey process.