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Dan Sun, MD

Cardiology
Dan Sun image
piedmont member
4.9 out of 5, 
New patient visits

Piedmont Heart of Perimeter

6115 Peachtree Dunwoody Road, Suite 300
Sandy Springs, GA 30328-5695
Fax
404-614-1174
See location
Dr. Sun earned his medical degree from Hunan Medical University in China and completed his Internal Medicine residency at University of Massachusetts Medical Center, Worcester, MA. He completed his fellowship in Cardiology at Mid America Heart Institute/University of Missouri Medical Center, Kansas City, Missouri. He is board certified in Cardiovascular Disease.
Dr. Sun has been practicing medicine/cardiology for 20 years. Prior to joining Piedmont, Dr. Sun was a medical staff member at Division of Cardiology, Johns Hopkins School of Medicine and attending cardiologist at Johns Hopkins Bayview Medical Center, Baltimore, Maryland.
Dr. Sun specializes in cardiovascular diseases prevention and treatment. Dr. Sun has special interests in congestive heart failure, and cardiac imaging.
In his spare time, Dr. Sun enjoys spending time with his family and friends. He enjoys hiking, gardening, international cuisines, and opera. Dr. Sun is accepting new patients and welcomes most major insurance plans.

Provider Information

Verified Reviews

The Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.
4.9 out of 5
758 ratings,
329 reviews
8/18/2025
He explains everything in detail which you can understand
8/18/2025
Dr Sun explained possible causes for my symptoms but also ordered an in-depth study of several tests to find the answers. I appreciate that he is so thorough and look forward to getting to the final answers.
8/7/2025
Dr Sun treated me like was a close friend great to have a Doctor like that
8/7/2025
Dr. Sun is an outstanding practitioner I am fortunate to be under his care
8/1/2025
He thoroughly keeps up with what my PCP is doing and what he can do to drive growth in my knowledge as my body changes.

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Map & Directions

Piedmont Heart of Perimeter

6115 Peachtree Dunwoody Road, Suite 300 Sandy Springs, GA 30328-5695
Monday - Friday

8:00 am - 5:00 pm

Saturday - Sunday

Closed

Fax