UCI Health will see you now: Welcome to our new co-workers and patients from Fountain Valley, Lakewood, Los Alamitos and Placentia Linda! 

Byron J Allen

Byron J. Allen, MD


Cardiovascular Disease

Clinical Interests

arrhythmia, congestive heart failure therapy, coronary artery disease, lipid disorders, preventive cardiology

MyChart patient portal offers a convenient and secure way to manage your healthcare online. Use MyChart to schedule appointments, request prescription renewals, send messages to your care team and more.
Medical Services
  • American Board of Internal Medicine, Cardiovascular Disease
  • American Board of Internal Medicine, Internal Medicine
  • English
Medical School
David Geffen School of Medicine at UCLA
UCI School of MedicineInternal Medicine
UCI School of MedicineCardiology
UCI School of MedicineInternal Medicine
Professional Positions
  • Professor — Division of Cardiology, Department of Medicine, UCI School of Medicine
Awards and Recognition
  • Physicians of Excellence, Orange County Medical Association — 2014-2019
  • America's Top Doctors (Congestive Heart Failure, Preventive Cardiology), Castle Connolly Medical Ltd., 2013
More Information

Dr. Byron J. Allen is a board-certified UCI Health cardiologist who specializes in heart diseases and disorders. His clinical interests include congestive heart failure, coronary artery disease, arrhythmia and preventive cardiology.

He earned his medical degree at the David Geffen School of Medicine at UCLA. He completed residencies in internal medicine and cardiology at the UCI School of Medicine.

Allen sees patients at the UCI Health Cardiovascular Center in Orange.

UCI Health Cardiovascular Center
101 The City Drive South, Pavilion 4
Building 25
Orange, CA 92868
Phone: 714-456-6699
Fax: 855-209-8413