Dr. John D. Day
- Gender: Male
- Experience: 26 years
- Graduated from: Johns Hopkins University School Of Medicine
- Graduation year: 1995
- Sole propriator: No
- NPI: 1811965122
Dr. John D. Day MD
Cardiac Electrophysiologist
He is located at 1160 East 3900 South Suite 2000 in Salt Lake City, UT 84124. Can help patients with the following: Chest Pain, Congenital Heart Disease (CHD), Constipation, Cystitis, Hyperlipidemia, Influenza. His National Provider Identifier (NPI) number is 1811965122. Appointment can be made via the phone number (801) 266-3418. He is affiliated with 3 hospitals.
Conditions treated
Dr. John D. Day, being an cardiac electrophysiologist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. John D. Day.
- Abdominal Pain
- Acute Pain
- Anemia
- Angina
- Arthritis
- Asthma
- Atherosclerosis
- Atrial Fibrillation
- Atrial Septal Defect (ASD)
- Bladder Control
- Bradycardia
- Carotid Artery Disease
- Cerebral Aneurysm
- Chest Pain
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Chronic Venous Insufficiency
- Common Cold
- Congenital Heart Disease (CHD)
- Constipation
- Cystitis
- Diarrhea
- Edema
- Fever
- Gastroesophageal Reflux Disease (GERD)
- General Care
- Headache
- Heart Disease
- Hiatal Hernia
- High Blood Pressure
- Hot Flashes
- Hyperlipidemia
- Hyponatremia
- Influenza
- Inguinal Hernia
- Migraine
- Nausea and Vomiting
- Obesity
- Osteoporosis
- Pacemaker
- Peptic Ulcer
- Pericardial Tamponade
- Pericarditis
- Prescription Refill
- Renal Vascular Disease
- Rheumatic Heart Disease
- Urethritis
- Urinary Tract Infection (UTI)
- Wolff-Parkinson-White Syndrome (WPW)
Procedures Performed by Dr. John D. Day
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. John D. Day as in-network for the following 2026 plans.
Health plans
University of Utah Health Plans
Network data as of Sep 14, 2026, as reported by the insurer.
Show all 6 plans from University of Utah Health Plans
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Healthy Premier Bronze HSA | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Healthy Premier Expanded Bronze Standard | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Healthy Premier Gold Copay Office Visits | EPO · Gold | Preferred | Accepting new patients |
| Healthy Premier Gold Standard | EPO · Gold | Preferred | Accepting new patients |
| Healthy Premier Silver Copay Office Visits | EPO · Silver | Preferred | Accepting new patients |
| Healthy Premier Silver Standard | EPO · Silver | Preferred | Accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. John D. Day is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. John D. Day is enrolled to bill Medicare as a Practitioner - Cardiac Electrophysiology (also registered under: Practitioner - Emergency Medicine, Practitioner - Internal Medicine, Practitioner - Cardiovascular Disease (cardiology)) .
Bills through: Mountainstar Cardiology St Marks Llc
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| Abbott Laboratories | $133637 |
| Boston Scientific | $44817 |
| St. Jude Medical | $27801 |
Other
| Consulting | $155069 |
| Travel and Lodging | $24675 |
| Promotional Speaking or Service | $20456 |
| Food and Beverage | $6681 |
| Other | $6500 |
Studies
JOHNS HOPKINS UNIVERSITY SCHOOL OF MEDICINE
Graduated in 1995Additional Specialities
- Internist
Affiliated hospitals
Looking for more Cardiac Electrophysiologists?
Here are cardiac electrophysiologists in Utah you may want to explore.
- Gender: Male
- Address: Ste 1500 1380 East Medical Center Drive St George, 84790, UT
- Gender: Male
- Address: 395 West Cougar Boulevard Provo, 84604, UT
- Gender: Male
- Address: 5126 West Daybreak Parkway South Jordan, 84009, UT
- Gender: Male
- Address: 1055 North 500 West Provo, 84604, UT
- Gender: Male
- Address: Suite 3490 4403 Harrison Boulevard Ogden, 84403, UT
- Gender: Male
- Address: 100 North Mario Capecchi Drive Salt Lake City, 84113, UT
- Gender: Male
- Address: 700 West 800 North Suite 444 Orem, 84057, UT
- Gender: Male
- Address: Suite 101 1055 North 500 West Provo, 84604, UT
- Gender: Male
- Address: Suite 1500 1380 East Medical Center Drive St George, 84790, UT
- Gender: Male
- Address: Suite 204 5405 South 500 East Ogden, 84405, UT
Questions & Answers
Where can you meet with Dr. John D. Day?
Dr. John D. Day's office is located at 1160 East 3900 South Suite 2000 in Salt Lake City, UT 84124.
Has Dr. John D. Day affiliation with hospitals?
Dr. John D. Day is affiliated with INTERMOUNTAIN MEDICAL CENTER. For the full list of hospitals see this list.
What conditions does Dr. John D. Day treat?
Dr. John D. Day provides treatment for Chest Pain, Congenital Heart Disease (CHD), Constipation, Cystitis, Hyperlipidemia, Influenza. For the full list see this list.
Does Dr. John D. Day accept patients with University of Utah Health Plans?
Yes, Dr. John D. Day is listed in-network for University of Utah Health Plans through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.