Gregory S. Perens, MD
Accepting new patients

Gregory S. Perens, MD

  • Pediatric Cardiology
Children's Heart Center | 200 Medical Plaza, Suite 330, Los Angeles, CA 90095


Dr. Perens trained in pediatric cardiology at UCLA and has been a member of the cardiology staff since 2006. His clinical interests include Marfan syndrome and related aortopathies, 3-D printing and virtual reality assessment of congenital heart disease to plan surgery and cardiac catheterization, and echocardiography.

Dr. Perens has been involved with outreach missions in Peru, visiting there many times with Corazones Con Esperanza mission to provide cardiology care to children there ( He is also actively involved with Camp del Corazon, a free camp for children with heart disease.

Dr. Perens, along with Diagnostic Cardiovascular Imaging runs the Congenial Heart 3-D Printing and Virtual Reality team. He creates 3D models of complex congenital hearts for surgery and catheterization planning. 

He is the director of the Pediatric Marfan Clinic. This clinic offers screening and diagnosis for Marfan and related disorders. The cardiology team works closely with Genetics, Ophthalmology, Orthopedics, and Surgery to offer all needed care for these patients. Patients are transitioned to the UCLA Adult Congenital Heart Team after age 18 years.




Medical Board Certification

Pediatric Cardiology, American Board of Pediatrics, 2006


Pediatric Cardiology, UCLA School of Medicine, 2006


Pediatrics, UC Irvine School of Medicine, 2002


MD, Medical College of Virginia, 1999


  • Top Doctors, Los Angeles Magazine, 2022
  • Pediatric Cardiology Teaching Award, 2020
  • Pediatric Cardiology Teaching Award, 2017
  • See More


West Los Angeles

Children's Heart Center

Cardiology| Pediatric Cardiology| Congenital Cardiac Disease +3 more specialties

Hospital Affiliations



Link to Dr. Perens' PubMed publications

  1. Escobar AJ, Levi DS, Van Arsdell GS, Perens GS, Mohan UR. Apical muscular ventricular septal defect closure via hybrid approach using a right ventricular stay suture. Catheter Cardiovasc Interv. 2020 Nov 16.

  2. Perens G, Chyu J, McHenry K, Yoshida T, Finn JP. Three-Dimensional Congenital Heart Models Created With Free Software and a Desktop Printer: Assessment of Accuracy, Technical Aspects, and Clinical Use. World J Pediatr Congenit Heart Surg. 2020 Nov;11(6):797-801.

  3. Zhang Q, Hickey M, Drogalis-Kim D, Zheng Y, Gjertson D, Cadeiras M, Khuu T, Baas AS, Depasquale EC, Halnon NJ, Perens G, Alejos J, Cruz D, Ali N, Shemin R, Kwon M, Fishbein MC, Ardehali A, Deng M, Reed EF. Understanding the Correlation Between DSA, Complement Activation, and Antibody-Mediated Rejection in Heart Transplant Recipients. Transplantation. 2018 Oct;102(10):e431-e438

  4. Diana Drogalis-Kim, D.O., Roberto G Gallotti, M.D, Benjamin A Blais, M.D.; Gregory S Perens, M.D., Jeremy P. P. Moore, MD, MS, FHRS. Clinical and Electrophysiological Properties of Supraventricular Tachycardia after Pediatric Heart Transplantation. Pacing Clin Electrophysiol. 2018 Sep;41(9):1093-1100. doi: 10.1111/pace.13415. Epub 2018 Jul 11

  5. A novel association of biventricular cardiac noncompaction and diabetic embryopathy: case report and review of the literature. Woo JS, Perez-Rosendahl M, Haydel D, Perens G, Fishbein MC. Pediatr Dev Pathol. 2015 Jan-Feb;18(1):71-5. doi: 10.2350/14-07-1532-CR.1. Epub 2014 Nov 11. Review. PMID: 25386687 Similar articles. Select item 25108499
  6. Posterolateral hypertrophic cardiomyopathy: a rare, but clinically significant variant of hypertrophic cardiomyopathy. Seki A, Perens G, Fishbein MC. Cardiovasc Pathol. 2014 Nov-Dec;23(6):381-2. doi: 10.1016/j.carpath.2014.07.002. Epub 2014 Jul 15. PMID: 25108499 Similar articles. Select item 23518027
  7. Primary endocardial fibroelastosis: an underappreciated cause of cardiomyopathy in children. Seki A, Patel S, Ashraf S, Perens G, Fishbein MC. Cardiovasc Pathol. 2013 Sep-Oct;22(5):345-50. doi: 10.1016/j.carpath.2013.02.003. Epub 2013 Mar 19. PMID: 23518027. Similar articles. Select item 23696469
  8. First report of a de novo 18q11.2 microdeletion including GATA6 associated with complex congenital heart disease and renal abnormalities. Bui PH, Dorrani N, Wong D, Perens G, Dipple KM, Quintero-Rivera F. Am J Med Genet A. 2013 Jul;161A(7):1773-8. doi: 10.1002/ajmg.a.35974. Epub 2013 May 21. PMID: 23696469 Similar articles. Select item 22475572
  9. Canonical Wnt/β-catenin signaling in epicardial fibrosis of failed pediatric heart allografts with diastolic dysfunction. Ye B, Ge Y, Perens G, Hong L, Xu H, Fishbein MC, Li F. Cardiovasc Pathol. 2013 Jan-Feb;22(1):54-7. doi: 10.1016/j.carpath.2012.03.004. Epub 2012 Apr 2. PMID: 22475572 Free PMC Article. Similar articles. Select item 21640617
  10. Diverse morphologic manifestations of cardiac allograft vasculopathy: a pathologic study of 64 allograft hearts. Lu WH, Palatnik K, Fishbein GA, Lai C, Levi DS, Perens G, Alejos J, Kobashigawa J, Fishbein MC. J Heart Lung Transplant. 2011 Sep;30(9):1044-50. doi: 10.1016/j.healun.2011.04.008. Epub 2011 Jun 2. PMID: 21640617 Similar articles. Select item 20224752
  11. Initial Experience with Sildenafil, Bosentan, and Nitric Oxide for Pediatric Cardiomyopathy Patients with Elevated Pulmonary Vascular Resistance before and after Orthotopic Heart Transplantation. Daftari B, Alejos JC, Perens G. J Transplant. 2010;2010:656984. doi: 10.1155/2010/656984. Epub 2010 Mar 10. PMID: 20224752 Free PMC Article. Similar articles. Select item 19017288
  12. Clinico-pathologic findings in end-stage pediatric heart transplant grafts. Perens G, Li F, Meier S, Kaur R, Alejos JC, Fishbein M. Pediatr Transplant. 2009 Nov;13(7):887-91. doi: 10.1111/j.1399-3046.2008.01087.x. Epub 2008 Oct 31. PMID: 19017288 Similar articles. Select item 19660618
  13. The corrected QT interval before and after heart transplantation. Moore JP, Alejos JC, Perens G, Wong S, Shannon KM. Am J Cardiol. 2009 Aug 15;104(4):596-601. doi: 10.1016/j.amjcard.2009.04.024. Epub 2009 Jun 18. PMID: 19660618. Similar articles. Select item 18466430
  14. Growth and weight gain of prepubertal children after cardiac transplantation. Peterson RE, Perens GS, Alejos JC, Wetzel GT, Chang RK. Pediatr Transplant. 2008 Jun;12(4)436-41. doi: 10.1111/j.1399-3046.2007.00826.x. PMID: 18466430


  • Aetna
  • Anthem Blue Cross
  • Blue Shield of California
  • Centivo
  • Cigna
  • First Health
  • Health Net of California
  • Interplan (part of HealthSmart)
  • L.A. Care
  • MultiPlan
  • UFCM Health System
  • Prime Health Services
  • Private Healthcare Systems (PHCS)
  • UnitedHealthcare

The list of health care plans above may not be comprehensive and could change. 
Please contact your benefits coordinator or health insurance company directly to verify coverage.

Visit our health insurance information page for more details.


  • Top Doctors, Los Angeles Magazine, 2022
  • Pediatric Cardiology Teaching Award, 2020
  • Pediatric Cardiology Teaching Award, 2017
  • Pediatric Cardiology Teaching Award, 2015
  • Pediatric Cardiology Teaching Award, 2011