You are using an outdated browser. For the best experience, please upgrade to a newer browser.

Arthur H. Loussararian, MD

Accepting New Patients
4.8 | 66 Reviews
Mission Heritage Mission Viejo - Cardiology Suite 120
26800 Crown Valley Parkway, Suite 120
Mission Viejo, CA 92691
Speaks: Spanish and English

Book an Appointment

You will be sent to a different website to schedule with this provider.

Are you covered?

Check to see if your insurance is accepted by this provider.
Please contact your insurance provider to confirm if your health plan is accepted.

About Arthur H. Loussararian

Dr. Loussararian received his undergraduate degree in Chemistry at the University of California, Los Angeles, and his medical degree at the UCLA School of Medicine. He completed his residency in Internal Medicine, and fellowship in cardiology at Harbor-UCLA Medical Center, and fellowship in Interventional Cardiology at Good Samaritan Hospital in Los Angeles.

During his medical training, Dr. Loussararian also studied at the Centro Cuore Columbus cardiology research laboratory in Milan, Italy. He has participated in volunteer community activities in Los Angeles County, serving as attending cardiologist at the Venice Family Clinic. Dr. Loussararian joined Mission Internal Medical Group in 1998. He is Board Certified in Internal Medicine, Cardiology, Interventional Cardiology and Vascular Medicine.

He is a Fellow of the American College of Cardiology (FACC) and of the Society of Cardiovascular Angiography and Intervention (FSCAI).

Dr. Loussararian is active in clinical research and has served as Principal Investigator in multiple national clinical trials encompassing cardiology and peripheral vascular disease. He serves as Clinical Instructor of Medicine at the UCLA School of Medicine. He is also the Director of Clinical Research for MHMG.

Dr. Loussararian is an Interventional Cardiologist with an interest in coronary angioplasty, valvular heart disease, patent foramen ovale, atrial septal defect. He also has a special area of interest in endovascular therapy for peripheral arterial disease, carotid artery disease, aortic aneurysm, and venous insufficiency. He is the Director of the Vascular Lab and the Coumadin Anticoagulation Clinic, and Co-Director of the Vein Center.

Medical School

University of California- Los Angeles- School of Medicine


Harbor- UCLA Medical Center- GME


Harbor- UCLA Medical Center - GME


Good Samaritan Hospital


Harbor- UCLA Medical Center - GME

Board Certifications

  • American Board of Internal Medicine, Internal Medicine
Mission Heritage Mission Viejo - Cardiology Suite 120
26800 Crown Valley Parkway, Suite 120
Mission Viejo, CA 92691
Affiliated Locations

Mission Hospital, Laguna Beach
St. Joseph Hospital, Orange
Mission Hospital, Mission Viejo