Dan Sun, MD
Cardiology

4.9 out of 5 –
New patient visits
Piedmont Heart of Perimeter
6115 Peachtree Dunwoody Road, Suite 300 Sandy Springs, GA 30328
Phone
678-320-3600Fax
404-614-1174
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.
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
Specialties
Cardiology
Gender
Male
Languages
English
Mandarin
None
Education
Hunan Medical University (now Central South University Xiangya Medical School
Medical Education, 1991
UMASS Memorial Health Care-University Campus
Residency, Internal Medicine, 2002
UMKC School of Medicine Program
Fellowship, Cardiovascular Disease, 2009
Ecfmg
Medical Education
Certifications
American Board of Internal Medicine - Cardiovascular Disease
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
936 ratings,
363 reviews
1/10/2026
He's a wonderful physician, caring and explains things well.
1/10/2026
He is very nice and very helpful.
1/10/2026
He was thorough, honest, and informative.
1/9/2026
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
12/24/2025
I didn't see dr sun. I had an ECHO. The technician was Good.
Insurance Coverage
Note:Please contact the practice directly to confirm your health plan is in network.
Aetna
Aetna Medicare Advantage
AIDS Healthcare Foundation (Ryan White Part A)
Alliant Health Plans SoloCare (including Core & Select)
Alliant SimpleCare/4Corners
Ambetter (including Core & Select)
Anthem
Anthem MediBlue
BCBS
Beech Street
CareSource
CareSource Dual Advantage (HMO D-SNP only)
CareSource Medicaid
Cigna
Georgia Health Advantage
Humana
Humana Medicare Advantage
Kaiser
Kaiser Medicare Advantage
LifeWell (HealthScope)
Medicare
Peach State
PHCS/MultiPlan
Pruitt Health Premier (AllyAlign)
Sonder
Tricare Prime (referral required)
Tricare Select
United Healthcare
United Healthcare Marketplace Exchange
United Healthcare Medicare Advantage
Wellcare
Map & Directions
Piedmont Heart of Perimeter
6115 Peachtree Dunwoody Road, Suite 300 Sandy Springs, GA 30328