Raphael Sung, MD, FACC, FHRS

Raphael Sung
Raphael Sung, MD, is a cardiac electrophysiologist at National Jewish Health. Dr. Sung is in the Division of Cardiology and Department of Medicine.
Associate Professor
Division of Cardiology
Department of Medicine
Previously a 5280 Top Doctor (1st year)
Specialties and ConditionsSpecialties & Conditions
Research AreasResearch Areas

Special Interests

Clinical Interests

My clinical interest spans all of cardiac electrophysiology, dealing with slow and fast heart rhythm problems.  My clinical expertise includes all cardiac device implantations related to heart rhythm disturbances, as well as a comprehensive list of cardiac ablations (cauterization) to improve or cure arrhythmias occurring in both the top and bottom parts of the heart (including atrial fibrillation and ventricular tachycardias). 


University of Pennsylvania School of Medicine, MD
Stanford University (CA), BS
University of Pennsylvania Health System,
University of Pennsylvania Health System Program, Internal Medicine
University of California (San Francisco), Clinical Cardiac Electrophysiology
University of California (San Francisco), Cardiovascular Disease

Awards & Recognition

2012: Top Presentation Award, Meet the Masters
2012: Fellows Highest Scoring Abstract Award, Heart Rhythm Society

Professional Memberships

American College of Cardiology (ACC), Fellow
Heart Rhythm Society (HRS), Fellow

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Contact Information

  • Office: 877.225.5654



  • National Jewish Health Main Campus
    1400 Jackson St.
    Denver, CO 80206

Patient Ratings

The Patient Rating score is an average of all responses to care provider related questions on our independent rating system, the Press Ganey Patient Satisfaction Survey. This survey is about the patient care experience and does not address crucial characteristics like medical decision-making, prescribing the best therapy, and patient outcomes.

Responses are measured on a scale of 1 to 5, with 5 being the best score. Learn more about our patient satisfaction survey.

Provider showed concern


Spoke using clear language

Provider explained things clearly

Amount of time spent with you

Provider included you in decisions

Confidence in your doctor

Likelihood of recommending this provider


Comments are collected in our Press Ganey Patient Satisfaction Surveys. Patients are de-identified to protect confidentiality and patient privacy. Learn more about our patient satisfaction survey.

National Jewish Health PatientJune, 2020
Outstanding service and care.

National Jewish Health PatientJune, 2020
My mom and I are very pleased with *Dr. Sung.

National Jewish Health PatientJune, 2020
It is rare to have such a positive experience with a doctor these days. My two PCP's have been made aware of my appreciation of and confidence in *Dr. Sung.

National Jewish Health PatientJanuary, 2020
Glad to have *Dr. Sung as part of my medical team.

National Jewish Health PatientJanuary, 2020
*Dr. Sung had reviewed my records prior to visit. Very thorough & detailed. He followed up with me after visit & was very personable.

National Jewish Health PatientOctober, 2019

National Jewish Health PatientDecember, 2018
The diagnosis was unnerving but *Dr. Sung gave me peace and I felt I could trust him to h handle the details of my situation.

National Jewish Health PatientNovember, 2018
Very confident in *Dr. Sung.

National Jewish Health PatientOctober, 2018
Transferring my cardiac care from elsewhere, I am very pleased to be under the care of Dr Sung, and National Jewish, at this time.