Dan Sun, MD

Cardiology
Dan Sun image
4.9 out of 5
890 ratings, 358 comments

Piedmont Heart of Perimeter

6115 Peachtree Dunwoody Road, Suite 300, Sandy Springs, GA 30328
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Office Number
678-320-3600
Fax Number
404-614-1174
New Patient Visits
Online Booking
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.

About Dazhong

Patient 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
890 ratings,
358 reviews
11/17/2025
Straight to the point very welcoming and informative. I look forward in my next visit.
11/15/2025
Very professional and takes time to answer any questions I have.
10/28/2025
He is emphatic and was thorough. He explains well and answered my questions to my understanding and satisfaction. He also set the expectation on how long it will take to get my diagnosis well.
10/11/2025
pleasant, respectable demeanor, clear questions and explanations.
10/10/2025
Very good

Insurance Coverage

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