Heart & Vascular Institute Specialists

​The Heart & Vascular Institute at Adventist Health Glendale (AHGL) is proud to work with some of the best physicians in our community, with expertise, certifications and training in various disciplines of heart and vascular care.

Our physicians practice in a 4,500-square-foot state-of-the-art facility, featuring 10 exam rooms, a nuclear camera and a treadmill/echocardiogram room, all in one convenient location on the medical center campus.

Hours of operation:
Mon - Thurs 8:30AM -5PM (12PM-1PM closed for lunch)
Fri 8:00AM - 4:00PM (12PM-1PM closed for lunch)

Meet Our Specialists

Hed AhmadpourHed Ahmadpour, MD
Interventional Cardiology

Dr. Ahmadpour is committed to developing and advancing heart treatments so patients have the best chance at surviving heart disease and other cardiac conditions. He is board-certified in interventional cardiology, cardiovascular disease and internal medicine and is a fellow of the American College of Cardiology. He is also a member of the American Heart Association and the American College of Chest Physicians.

Eli CapouyaEli Capouya, MD
Cardiac Surgery

Dr. Capouya is a board-certified thoracic surgeon who specializes in adult cardiac and thoracic surgery. His goal is to advance the techniques of cardiothoracic surgery to help patients get back on their feet more quickly. He is a fellow of the American College of Surgeons and the American College of Cardiology and is a member of the Society of Thoracic Surgeons, Western Thoracic Surgical Association and the International Society for Heart and Lung Transplantation.

Chadi Chahin Chadi Chahin, MD
Interventional Radiology

Dr. Chahin is fellowship-trained in advanced minimally invasive techniques for vascular and interventional radiology. He is board-certified by the American Board of Radiology and is a member of the Society of Interventional Radiology and the American College of Radiology. He is passionate about his patient's health, reducing their pain and treating their diseases, as well as staying abreast of the latest techniques in vascular and interventional radiology.

Chadi Chahin Sarkis Kiramijyan, MD, FACC, FSCAI
Interventional Cardiology

Dr. Sarkis Kiramijyan is an interventional, structural, valvular and endovascular cardiology specialist; the Medical Director of the Cardiac STEMI Program and Founder and Director of the Structural Heart Disease Program at Adventist Health White Memorial. He has been practicing since 2011. He graduated from George Washington University/School of Medicine and Health Sciences in 2008 and specializes in interventional cardiology. He has also completed fellowship programs at Yale New Haven Hospital, as well as Medstar- Georgetown University Hospital. Dr. Kiramijyan conducts Transcatheter Aortic Valve Replacement (TAVR) procedures and specializes in mitral valve repair, peripheral vascular intervention, coronary angioplasty and stent treatments.

LawrenceRobert O'Connor, MD Robert O'Connor, MD
Cardiovascular Disease

The ability to give patients a second chance at life inspires Dr. Lawrence O’Connor in his work as an interventional cardiologist every day. Whether he’s providing superb cardiac care or opening a blocked coronary artery with a minimally invasive procedure, Dr. O’Connor first uses all available tools to thoroughly understand his patients’ condition. Pinpointing the cause of their cardiac illness results in a clear diagnosis, correct treatment and patients who come back to say they’re now living their best, most authentic life.

Robert O'Connor, MD Armand Rostamian, MD

Dr. Armand Rostamian’s continued research and publication in cardiology means that his patients benefit from the best and most up-to-date information in the field. His particular training and experience in cardiac imaging enable him to understand his patients’ medical condition from various viewpoints and offer a comprehensive and efficient approach to treatment. In his practice, Dr. Rostamian is careful to give his patients time to speak. “We work together to discuss their options then choose the treatment plan that is best for them and their unique wishes and lifestyle,” he says.

Son DennisDennis Son, MD
Interventional Radiology

Dr. Son specializes in vascular and interventional radiology. He is fellowship-trained in interventional radiology and magnetic resonance imaging and is board-certified by the American Board of Radiology. Dr. Son's background in mechanical engineering helps him provide solutions for patients who need minimally invasive procedures to treat heart disease and other cardiac conditions.

Yung-HsiRobert O'Connor, MD Joseph Wen, MD
Cardiovascular Disease

Helping people with cardiovascular disease live longer and feel better is Dr. Joseph Wen’s personal mission as a physician.
Dr. Wen provides a full range of cardiology care, including angiography, angioplasty and coronary stenting, pacemaker implants, education, prevention and management of chronic heart disease. He considers all potential treatment options for each heart patient, based on their unique needs, and works with each person to make sure he or she understands their care choices. Dr. Wen strives to make a difference in the life of each patient who entrusts their care to him.

For more information, or to book your appointment with one of our Heart & Vascular Institute physicians, call (844) 21-HEART or (818) 863-4099.