Jonathan Gil Dayan, M.D.

Assistant Professor, Division of Pediatric Cardiology

To see if Jonathan Gil Dayan is accepting new patients, or for assistance finding a UC Davis doctor, please call 800-2-UCDAVIS (800-282-3284).



Pediatric Cardiology



Locations and Contact

Pediatric Cardiac Surgery Clinic

2521 Stockton Blvd.
Sacramento, CA 95817

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4860 Y St.
Sacramento, CA 95817

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Additional Numbers

Clinic Fax


Physician Referrals

800-UCD-4-KIDS (800-823-4543)

Philosophy of Care

All children with known or suspected heart disease, along with their families, should be evaluated and treated with tenacity, ferver, and compassion.

Clinical Interests

Dr. Dayan is a pediatric cardiologist at UC Davis Children's Hospital. His clinical interests include the evaluation and management of all ranges of congenital and acquired heart disease, from the simplest murmur to the most complex anatomic variations. His focuses primarily on fetal diagnosis of congenital heart disease, cardiopulmonary exercise testing (CPET) in the pediatric population as well as pediatric heart failure and cardiomyopathies (heart muscle dysfunction).

Research/Academic Interests

In addition to his clinical interests, Dr. Dayan believes strongly in education on all levels. Career-long learning is a critical component of modern medicine. He also enjoys teaching fellows, residents, medical students, patients and families. Dr. Dayan participates in multi-disciplinary clinics and research, mostly in the field of pediatric heart failure and cardiomyopathies.


Fetal Care and Treatment Center
Pediatric Cardiology

Center/Program Affiliation

Pediatric Heart Center
UC Davis Children's Hospital

Undergraduate School

B.A., Molecular & Cell Biology, UC Berkeley, Berkeley CA 2004

Undergraduate School

B.A., Cognitive Science, UC Berkeley, Berkeley CA 2004

Medical School

M.D., Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel 2009


Pediatrics, Cohen Children's Medical Center, Long Island Jewish Medical Center, New Hyde Park NY 2009-2010


Pediatrics, Cohen Children's Medical Center, Long Island Jewish Med Center, New Hyde Park NY 2010-2012


Pediatric Cardiology, UC San Franciso, San Francisco CA 2012-2015

Golden Apple Teaching Award for Recognition of Outstanding Resident Education from the UC Davis Department of Pediatrics, 2020

Albert Einstein College of Medicine Teaching Award, 2010

Intern of the Month � Neonatal ICU, 2009

Dayan JG, Guenther BC. Elusive Taussig–Bing anomaly/aortic valve atresia: a rare case of congenital heart disease—correlation of fetal and neonatal echo images and direct anatomical photographs. Journal of Echocardiography. 2019;18:75-76(2020). doi:10.1007/s12574-018-0414-4. PMID:30600439.

Ling D, Dayan JG. In Utero Diagnoses of Strikingly Similar Presentations of Complete Atrioventricular Septal Defects in a Pair of Dizygotic Twins Concordant for Trisomy 21. Case Reports in Pediatrics. 2018;2018:6215675. doi:10.1155/2018/6215675. PMID: 30416835.

Escamilla D, Dayan J, Butani L. Complete Resolution of Severe Dilated Cardiomyopathy In A Pediatric Hemodialysis Patient Being Considered for a Combined Heart-Kidney Transplant. Clin Transplant. 2018 Sep;32(9):e13379. doi:10.1111/ctr.13379. Epub 2018 Aug 26.

Dayan JG, Peyvandi S, Moon-Grady AJ. Pulmonary Atresia with Intact Ventricular Septum with a Hypoplastic Left Ventricle in the Setting of D-Transposition of the Great Arteries – a Fetal Diagnosis. Journal of Ultrasound in Medicine. 2015 October 27. doi:10.7863/ultra.15.01074. PMID:26507698

Feldman T, Ing F, Goldner B, Dayan J. Bilateral Vascular Slings Formed by Aberrant Left and Right Subclavian Arteries. Poster Presentation at CHOP National Cardiology Conference. 2020 Feb 14.

Dayan J, Moore P, Meadows J. Risks of Non-Anesthesia Supported Pediatric and Congenital Cardiac Catheterizations. Oral Abstract Presentation at Society of Cardiac Angiography and Interventions. 2015 May 8.