Dan Sun, MD

Cardiology

Piedmont Heart of Perimeter

6115 Peachtree Dunwoody Road, Suite 300

Sandy Springs, GA 30328 Directions

(678) 320-3600

doctors.piedmont.org

4.9 out of 5

1,150 verified ratings

1,150 Ratings, 406 Comments


The following ratings and reviews are based on verified feedback collected from independently administered patient experience surveys. The ratings and comments submitted by patients reflect their own views and opinions. Patient identities are withheld to ensure confidentiality and privacy.
Aug 8, 2026
Dr Sun took time to answer all questions and listen to concerns we had.

Aug 8, 2026
This was my first visit with Dr Sun having treated with Dr Hoff for years. Dr Sun is a pleasure! Thorough and informative.

Aug 7, 2026
Dr Sun is exceptional. He truly cares about his patients and has a great bedside manner. Highly recommend!

Aug 7, 2026
My experience with Dr. Sun and his crew has been top rate. They are professional and informative. They have my total confidence.

Aug 7, 2026
Love Dr Sun! HOPEFULLY he will offer MORE DAYS in the Blairsville office when Dr Campbell retires!!!

Aug 6, 2026
Good visit

Aug 6, 2026
First meeting since my original doctor retired. Was very knowledgeable of my background and took time to make me feel at ease with his findings today. Answered all my questions.

Aug 6, 2026
Dr Sun is wonderful

Aug 6, 2026
Short wait, Dr Dun is caring and listens to my concerns. Thank you

Aug 5, 2026
Very good in all regards

Aug 5, 2026
No issues. Doctor was very good. Easy to talk to and goo listener.

Aug 5, 2026
Pleasant and good listener.

Aug 4, 2026
He is very knowledgeable and easy to speak with.

Aug 3, 2026
Dr Sun and Robin are very knowledgeable, patient and caring. They both are attentive and answer all questions. Very professional.

Jul 27, 2026
Office visit was great. Having a problem rescheduling my next appointment for stress test.

Jul 27, 2026
Excellent. Thorough explanations, answered all my questions, made me feel more at ease.

Jul 26, 2026
easy and simple. talked about WEGOVY

Jul 26, 2026
Always kind and caring and helpful.

Jul 25, 2026
Friendly. Good explanations

Jul 25, 2026
Follow-up visit.

Jul 24, 2026
Very nice and willing to listen to whatever you have to say and that is very important to me.

Jul 23, 2026
Dr Sun is very thorough and informative. He is kind and helpful.

Jul 17, 2026
I have never been treated so nice. The staff was very friendly and made you feel comfortable. Dr. Sun is an outstanding Dr. as well a very approachable person. Thank him so much for the care he has given me.

Jul 2, 2026
Dr. Sun and the entire staff at Piedmont in Blairsville are wonderful and caring professionals

Jun 30, 2026
Very friendly. Provided me with current information about upgrading by statin drug for heart attack prevention.

Jun 29, 2026
Dr Sun is very warm and approachable. He genuinely listens.

Jun 12, 2026
Great

May 31, 2026
Excellent

Mar 18, 2026
Dr. Sun is very thorough and professional. He is very clear and decisive about care and prevention strategies. At the same time Dr. is very approachable and personable. I have great confidence in his skills as a medical practitioner.

Mar 14, 2026
Great

Mar 6, 2026
Excellent Doctor

Feb 5, 2026
Listened to me and was very detailed.

Jan 31, 2026
Good man

Jan 31, 2026
Dr Sun is amazing. He has worked diligently to solve my dizziness and passing out issues. He took excellent care of me after my stints.

Jan 30, 2026
He listens to you, and is very help full when you talk to him.

Jan 29, 2026
Dr Sun is always very nice and thorough with his patients. I feel very comfortable and confident in his support and medical decisions. Thankful to have him as my heart Dr.

Jan 24, 2026
Very thorough.

Jan 23, 2026
Very caring - straight forward

Jan 22, 2026
Dr. Sun listens and explains well and is very thorough considering my diagnosis and lifestyle.

Jan 21, 2026
Great doctor, thorough, good bedside manner

Jan 21, 2026
He really stops and listens to your issues and explains clearly his plan for you care.

Jan 19, 2026
Dr. Sun was very professional, understanding, and caring. He took his time to listen to my needs and provided me woth very good feedback and instructions. I think he is great.

Jan 16, 2026
He is very concerned with improving my health and mentioned a cutting edge but basic option for treatment.

Jan 10, 2026
He was thorough, honest, and informative.

Jan 10, 2026
He is very nice and very helpful.

Jan 10, 2026
He's a wonderful physician, caring and explains things well.

Jan 9, 2026
Dr. Sun is fabulous, warm, cheerful, approachable. I feel i could discuss all my health issues with him abd he would take his time to listen carefully and be honest with me. I really have great trust in him

Dec 24, 2025
I didn't see dr sun. I had an ECHO. The technician was Good.

Nov 17, 2025
Straight to the point very welcoming and informative. I look forward in my next visit.

Nov 15, 2025
Very professional and takes time to answer any questions I have.