Summary

Dr. John Day specializes in cardiovascular disease, focusing on heart rhythm disorders and related conditions. He earned his medical degree from Johns Hopkins University School of Medicine and completed his residency at St Johns Medical Center. With 31 years of experience treating patients with heart conditions, Dr. Day has developed extensive expertise in managing complex cardiovascular cases.

Dr. Day practices at multiple locations throughout Salt Lake City and Murray, Utah, with hospital affiliations including Wyoming Medical Center, Salt Lake Regional Medical Center, and Saint Marks Hospital. He treats patients with atrial fibrillation and supraventricular tachycardia, helping restore normal heart rhythms. His procedural expertise includes performing electrocardiograms, catheter ablation procedures, and cardiac device monitoring to diagnose and treat heart rhythm problems. Patients rate Dr. Day 4.2 out of 5 stars on average.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.2
  • 31 years of experience
  • 46 insurance plans accepted
  • St Johns Medical Center
  • 13 written reviews
  • 1 specialty
  • 28 areas of expertise
  • 1 board certification
  • 1 hospital affiliation
  • 5 office locations
  • Male

Office Locations

Dr. John David Day has 5 locations

The Heart Center At Saint Marks

1160 E 3900 S Ste 2000Salt Lake City, UT 84124
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Intermountain Healthcare (IHC Health Services Inc)

5169 S Cottonwood StMurray, UT 84107

Intermountain Healthcare (IHC Health Services Inc)

5169 Cottonwood St, #510Murray, UT 84107

Salt Lake Regional Medical Center

1050 E South TempleSalt Lake City, UT 84102

Saint Marks Hospital

1200 E 3900 SSalt Lake City, UT 84124

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Dr. John David Day, MDDr. David Massinople, MDDr. Mikayla Anne LashDr. Hiroshi Kuida
Cardiovascular DiseaseCardiovascular DiseaseCardiovascular DiseaseCardiovascular Disease
Accepts New Patients
4.2 
31 Years of Experience 24 Years of Experience 6 Years of Experience 75 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish
Salt Lake City , UTWest Jordan , UTSalt Lake City , UTSalt Lake City , UT
Med School: Johns Hopkins University School Of Medicine Med School: West Virginia University School Of Medicine Med School: University Of Wisconsin School Of Medicine & Public Health Med School: University Of Utah School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. John David Day

  • Accepts Medicare
  • Accepts Medicaid
  • AARP
  • AARP - HMO
  • Aetna
  • Aetna - HMO
  • Aetna - PPO
  • Allegiance Life and Health
  • Beech Street
  • Beech Street - PPO
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield - HMO
  • Blue Cross Blue Shield - PPO
  • Blue Cross Blue Shield of Texas
  • Blue Cross of Idaho
  • Cigna
  • Cigna - HMO
  • Cigna - PPO
  • Cigna-HealthSpring - HMO
  • Deseret Mutual
  • EMI Health
  • Humana
  • Humana - HMO
  • Humana - PPO
  • Liberty HealthShare
  • Medicaid - Medicaid
  • Medicaid - Medicaid (HMO Plans)
  • Medicare
  • Medicare - HMO
  • Medicare - Medicare
  • Meritain Health
  • Molina Healthcare
  • Molina Healthcare - HMO
  • Molina Healthcare - Medicaid
  • Mutual of Omaha
  • PacificSource Health Plans
  • Physicians Mutual
  • Public Employees Health Program (PEHP)
  • Public Employees Health Program (PEHP) - PPO
  • SelectHealth
  • State Farm
  • The Hartford
  • Transamerica
  • Tricare
  • Tricare - HMO
  • Triwest Healthcare Alliance
  • UnitedHealthcare
  • UnitedHealthcare - PPO

Medical Specialties

Dr. John David Day has the following specialty

Specialty Expertise

Dr. John David Day has the following 28 areas of expertise

  • Acute Coronary Syndrome (ACS)
  • Arrhythmia
  • Atherosclerosis
  • Atrial Fibrillation
  • Atrial Flutter
  • Blood Clot
  • Cardiac Arrhythmias
  • Cardiac Defibrillator Implant
  • Cardiac Ultrasound
  • Catheter Ablation
  • Chest Pain
  • Electrocardiogram (EKG)
  • Exercise Stress Test
  • Heart Attack
  • Heart Block
  • Heart Diseases
  • Heart Failure
  • High Blood Pressure
  • High Cholesterol
  • High Cholesterol (Hypercholesterolemia)
  • Hypertension
  • Nuclear Stress Test
  • Pacemaker Implantation
  • Palpitations
  • Shortness of Breath
  • Stroke
  • Supraventricular Tachycardia
  • Unstable Angina

Certifications, License, & Education

31 Years Experience

MEDICAL LICENSE

Medical Doctor, Utah, 2026, Expired

EDUCATION & TRAINING

Residency

St Johns Medical Center

Medical School

Johns Hopkins University School Of MedicineGraduated in 1995

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Frequently Asked Questions

Is Dr. John Day accepting new patients?
Dr. John Day is accepting new patients on Vitals. View Dr. John Day's profile on Vitals to make an appointment.
Where is Dr. John Day's office located?
Dr. John Day's office is located at 1160 E 3900 S Ste 2000, Salt Lake City, UT, 84124.
Does Dr. John Day accept virtual/telehealth appointments?
Dr. John Day has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Does Dr. John Day accept my insurance?
You can see the insurance plans that Dr. John Day accepts on their Vitals profile.
Which hospitals is Dr. John Day affiliated with?
Dr. John Day is affiliated with Wyoming Medical Center.

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