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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
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
804 ratings,
335 reviews
9/18/2025
Very good!
9/16/2025
Nothing more. I am glad he is my doctor.
9/15/2025
He a great doctor. Cares about his patients. Explained tests results thoroughly for patients to understand. Very professional & the best
9/12/2025
Dr Sun is incredible!! I knew the moment I met him I had the perfect Dr. He is so caring, and he spoke to me like I mattered. He listened to me and examined me and he came up with a plan. I am so confident in Dr Sun because he is a man of knowledge and experience. I look forward to my treatment.
9/12/2025
Very kind and personable, professional.

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Map & Directions

Piedmont Heart of Perimeter

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

8:00 am - 5:00 pm

Saturday - Sunday

Closed

Fax