Heather Sun, M.D.


3020 Children's Way
MC 5004
San Diego, CA 92123




Rady Children's Specialists of San Diego

Medical Group / IPA

Rady Children's Specialists

Medical School

Rush Medical College


New York Presbyterian Hospital


New York Presbyterian Hospital


Lucile Salter Packard Childrens Hospital -Stanford, Lucile Salter Packard Childrens Hospital -Stanford

Board Certifications

Pediatric Cardiology, Pediatrics




Dr. Heather Sun is a board-certified pediatric cardiologist at Rady Children's Hospital-San Diego and a clinical assistant professor at UC San Diego School of Medicine.

She specializes in echocardiography and fetal cardiology.

Dr. Sun earned her bachelor of science in computer science at the University of Michigan, Ann Arbor, and her medical degree at Rush Medical College. She completed her pediatric residency training at the Children's Hospital of New York-Presbyterian at Columbia University, followed by a pediatric cardiology fellowship and advanced fellowship training in pediatric and fetal echocardiography at Lucile Packard Children's Hospital at Stanford University.

Dr. Sun's clinical and research interests include improved prenatal diagnosis and management of fetal congenital heart disease and non-traditional methods of functional cardiac assessment. She is actively involved in mentoring and teaching medical students, residents and fellows in pediatric cardiology.


Unusual consequence of a fetal atrial septal aneurysm.
Sun HY, Fripp RR, Printz BF

Fetal MRI correlates with postnatal CT angiogram assessment of pulmonary anatomy in tetralogy of Fallot with absent pulmonary valve.
Sun HY, Boe J, Rubesova E, Barth RA, Tacy TA

Coronary sinus obstruction after atrioventricular canal defect repair.
Peng DM, Sun HY, Hanley FL, Olson I, Punn R

Pediatric plastic bronchitis: case report and retrospective comparative analysis of epidemiology and pathology.
Kunder R, Kunder C, Sun HY, Berry G, Messner A, Frankovich J, Roth S, Mark J

Decremental left ventricular deformation after pulmonary artery band training and subsequent repair in ventriculoarterial discordance.
Sun HY, Behzadian F, Punn R, Tacy TA

Transcatheter device closure of a congenital aortic-left atrial tunnel.
Sun HY, Buccola KJ, Punn R, Silverman NH, Peng LF, Perry SB, Balasubramanian S

Myocardial deformation in the fetal single ventricle.
Truong UT, Sun HY, Tacy TA

Outcomes of children following a first hospitalization for dilated cardiomyopathy.
Hollander SA, Bernstein D, Yeh J, Dao D, Sun HY, Rosenthal D

See the full listing of this physician's publications on PubMed, a service of the National Library of Medicine.

PubMed is a third-party website and not affiliated with Rady Children's Hospital-San Diego.