

Cardiology
John Day, MD
Salt Lake City, UT
Dr. John D. Day, MD, is a board-certified clinical cardiac electrophysiologist practicing in Salt Lake City, Utah. He specializes in the diagnosis and treatment of cardiac arrhythmias, with frequent management of conditions such as atrial fibrillation and paroxysmal atrial fibrillation. His expertise encompasses advanced techniques in clinical cardiac electrophysiology, including ablation procedures and device implantation for rhythm management. Dr. Day sees patients at the Heart Center at St. M
30+
Years in Practice
Credentials
Board Certifications
- Cardiac Electrophysiology
- Cardiovascular Disease
- Internal Medicine
Education & Training
- Johns Hopkins University School of Medicine — M.D., 1995
- Stanford University Hospital & Clinics — Fellowship, Cardiac Electrophysiology, 2000-2002
- Stanford University Hospital & Clinics — Residency/Fellowship, Cardiovascular Disease
- Stanford University Hospital & Clinics — Residency, Internal Medicine
Peer Recognition
- Castle Connolly — Top Doctor
2017-2026 (10 years)
Clinical Focus
Subspecialties
Clinical Cardiac Electrophysiology
Conditions & Treatments
Atrial FibrillationArrhythmia ManagementCatheter Ablation
Practice Details
Hospital Affiliations
- Intermountain Medical Center
- St. Mark's Hospital
- Timpanogos Regional Hospital
Languages
English, Mandarin
Experience
30+ years in practice