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.
Associate Professor
Division of Cardiology
Department of Medicine
Previously a 5280 Top Doctor (2nd 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

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


Provider explained things clearly

Spoke using clear language

Provider included you in decisions

Amount of time spent with you

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 PatientAugust, 2023
I feel that *Dr. Sung give me the best of care, explaining my procedure in detail and being very honest. PLEASE keep *Dr. Sung at National Jewish he is very valuable to the hospital and to us as his patients. 8. *Dr. Sung is the best!

National Jewish Health PatientJune, 2023
Dr Sung is easy to talk to and always spends plenty of time with me answering my questions and addressing my concerns. Always kind and professional.

National Jewish Health PatientJune, 2023
Dr.Sung was absolutely outstanding. He deserves great praise. His O.R. Care Team was outstanding.

National Jewish Health PatientApril, 2023
I could not do the virtual visit si we did a telephone visit. I live in Pueblo and sometimes have a problem finding a ride to Denver and he understands this. Dr. Sung is an excelent Doctor and Surgeon

National Jewish Health PatientApril, 2023
Very impressed with Dr. Sung! He was concerned about how I felt about my issues. Very professional friendly & didn't talk down to me. Made me feel comfortable & believed my symptoms were real.

National Jewish Health PatientApril, 2023
Good experience!

National Jewish Health PatientApril, 2023
*Dr. Sung was awesome! He took the time and explained the procedure so well. It was a blessing for me to have him as my doctor.

National Jewish Health PatientFebruary, 2023
You need a new category of EXCELLENT for every category in this section. *Dr. Sung was amazing! I was REALLY concerned about my heart situation and he answered all my questions, listened intently and was so easy to converse with.

National Jewish Health PatientJanuary, 2023
Dr. Sung Is very friendly and shows that he cares about you as a person. He answers all your questions and makes things easy to understand. He is extremely competent and knowledgeable. I would highly recommend him.

National Jewish Health PatientJanuary, 2023
I was very impressed with Dr. Sungs knowledge and ability to explain information to me in a way that I could understand.

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