
John D Day MD
Adult Congenital Heart Disease, Cardiac Electrophysiology
Intermountain Heart Institute
1160 E 3900 SSTE 2000Salt Lake City, UT 84124
Overview of Dr. Day
Dr. John Day is a cardiologist in Salt Lake City, UT and is affiliated with multiple hospitals in the area, including St. Mark's Hospital and Intermountain Medical Center. He received his medical degree from Johns Hopkins University School of Medicine and has been in practice 31 years. Dr. Day accepts several types of health insurance, listed below. He is one of 105 doctors at Intermountain Medical Center and one of 37 doctors at St. Mark's Hospital who specialize in Cardiology. He has more than 100 publications and over 500 citings.
Education & Training
Stanford Health Care-Sponsored Stanford UniversityFellowship, Cardiovascular Disease, 1998 - 2000
Stanford Health Care-Sponsored Stanford UniversityResidency, Internal Medicine, 1995 - 1998
Johns Hopkins University School of MedicineClass of 1995
Brigham Young UniversityBA, Mandarin Chinese, Magna Cum Laude, 1985 - 1991
Certifications & Licensure
CA State Medical License 1996 - Present
ID State Medical License 2005 - 2029
UT State Medical License 2001 - 2028
WY State Medical License 2001 - 2027
American Board of Internal Medicine Cardiovascular Disease
American Board of Internal Medicine Clinical Cardiac Electrophysiology
Awards, Honors, & Recognition
- CMS Meaningful Use Stage 1 Certification HELP2 Clinical Desktop, Intermountain Healthcare, 2013-2015
- CMS Meaningful Use Stage 1 Certification HELP2, Intermountain Healthcare, 2013-2015
- CMS Meaningful Use Stage 1 Certification HELP2, Intermountain Healthcare, 2013-2015
Clinical Trials
- The Use of Ranolazine for Atrial Fibrillation and Diastolic Heart Failure Start of enrollment: 2013 Jun 01
Publications & Presentations
PubMed
- 7 citationsCharacterization of acute residual pulmonary vein connections using electroanatomic mapping during pulsed-field ablation of atrial fibrillation.Mark T Mills, Philipp Sommer, John Day, Hany Demo, Coty W Jewell
Heart Rhythm. 2025-12-01 - 3 citationsEfficiency and safety of high-power ablation guided by Lesion size index: An ex vivo porcine heart study.Shengqi Huo, Qian Wang, Yue Jiang, Wei Shi, Pengcheng Luo
Pacing and Clinical Electrophysiology. 2023-06-01 - Response to "Delay in AF ablation costs lives".Andrew J Sessions, Heidi T May, Brian G Crandall, John D Day, Michael J Cutler
Journal of Cardiovascular Electrophysiology. 2023-04-01
Journal Articles
- Patients treated with catheter ablation for ventricular tachycardia after an ICD shock have lower long-term rates of death and heart failure hospitalization than do pa...Jared Bunch T, Peter Weiss J, Crandall BG, Day JD, May HT, Bair TL, Osborn JS, Mallender C, Fischer A, Brunner KJ, Mahapatra S, Heart Rhythm, 4/1/2014
- The Electrophysiologist's New Clothes and the Cardiac MRI That Told the TruthBunch TJ, Day JD, J Cardiovasc Electrophysiol, 1/1/2014
- Survival after Shock Therapy in ICD and CRT-D Recipients According to Rhythm Shocked: ALTITUDE Survival by Rhythm StudyPowell BD, Saxon LA, Boehmer JP, Day JD, Gilliam FR 3rd, Heidenreich PA, Jones PW, Rousseau MJ, Hayes DL, J Am Coll Cardiol, 6/6/2013
Press Mentions
Richard’s AlmanacJune 25th, 2020
Are Peanuts Actually Healthy?January 15th, 2020
Meet the Okinawa Diet, Japan’s Answer to the Mediterranean DietMarch 22nd, 2019
Professional Memberships
- Member
Insurance Accepted
- Aetna Choice POS II
Altius Provider Directory
BCBS Blue Card PPO
BCBS Wyoming BlueChoice Personal
CIGNA HMO
CIGNA Open Access
CIGNA PPOGHI PPO
Great West PPO
Humana ChoiceCare Network PPO
Oxford Health Freedom
Oxford Health Liberty
United Healthcare - Direct Choice Plus POS
United Healthcare - Direct Options PPO - Please verify your coverage with the provider's office directly when scheduling an appointment
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