With over 30 years of practice and experience, Dr. Marmureanu has successfully performed thousands of thoracic and cardiovascular procedures.

Dr. Marmureanu performs over 500 surgeries annually. In addition to relentlessly dedicating his time and effort to ensuring the best outcome for each surgery he performs, Dr. Marmureanu provides all of his patients with complete, individualized and comprehensive surgical plans, as well as attentive preoperative and postoperative care. The rate of success for the numerous surgeries performed by Dr. Marmureanu is amazing: over 99% of his patients are extremely satisfied with his exceptional medical services and appreciate his compassionate and professional attitude.

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Coronary Artery Bypass

Coronary artery bypass surgery is a medical procedure aimed at improving blood flow to the heart when one of the coronary arteries is obstructed.

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Beating Heart Bypass

Beating heart bypass surgery is a recent innovative surgical procedure which is significantly less invasive that the traditional open-heart intervention.

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Vessel Harvesting

Vessel harvesting is a procedure required for coronary artery bypass surgery.

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Valve Surgery

Valve surgery can be employed for a wide variety of conditions affecting your heart’s valves, including aortic stenosis and mitral valve prolapse.

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Arrhythmia Surgery

Arrhythmia can be effectively cured by undergoing MAZE surgery, an ablation procedure which will restore the normal rhythm of your heartbeat.

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Minimally Invasive Cardiovascular Surgery

Minimally invasive surgery is an innovative, video-assisted, minimally invasive treatment procedure which can be performed for numerous heart-related conditions.

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VATS

Video-assisted thoracoscopic surgery is a minimally invasive diagnostic and treatment procedure for conditions affecting the organs and tissues in the chest cavity.

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Lung Cancer Surgery

Lobectomy is the most commonly performed surgery for lung cancer, along with VATS, a minimally invasive alternative treatment.

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Hyperhidrosis Surgery

Hyperhidrosis, a condition characterized by excessive sweating, can be efficiently treated by undergoing endoscopic thoracic sympathectomy.

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Minimally Invasive Thoracic Surgery

Minimally invasive surgery is an innovative treatment procedure which can be performed for conditions affecting the organs and tissues in the thoracic cavity.

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Lung Volume Reduction

Lung volume reduction surgery is most commonly performed for treating emphysema, a chronic obstructive pulmonary disease.

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Carotid Endarterectomy

Carotid endarterectomy refers to the surgical treatment of a moderately or severely blocked carotid artery.

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Abdominal Aortic Aneurysm Surgery

Prompt surgical treatment of large aortic aneurysm is crucial, as the rupturing of the aorta can lead to death in a very short time.

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Lower Extremity Bypass

Lower extremity bypass surgery can successfully treat peripheral artery disease.

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Venous Disease Surgery

Surgical treatment is necessary when the patient experiences severe or distressing symptoms but can also be employed for cosmetic reasons.

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Thoracic Aortic Aneurysm Surgery

Thoracic aortic surgery can treat a wide range of conditions affecting the upper portion of the aorta, the main artery in the human body.

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Balloon Angioplasty

The purpose of balloon angioplasty involving vascular stenting is to remove the blockage from the artery.

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Endovenous Laser Therapy

As a minimally invasive procedure, endovenous laser therapy is performed to treat varicose veins, which develop in approximately 25% of adults.

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Radiofrequency Ablation

Radiofrequency ablation is another minimally invasive procedure whose purpose is to treat varicose veins.

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Endovascular Reconstruction

Endovascular reconstruction implies the usage of a catheter that is placed through the iliac vein.

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Hemodialysis Access

A vascular access is required for hemodialysis treatment, which people with chronic kidney disease or acute kidney injury often need.

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(310) 208-4400

Why choose Alexander R. Marmureanu MD?


  • Dr. Alexander Marmureanu has a vast practice experience of over 30 years as a cardiothoracic surgeon, having performed thousands of challenging and complex surgical procedures such as quadruple bypass heart surgery. He is permanently available and has promptly intervened numerous times when patients needed emergency surgery, thereby saving their lives.
  • He is an expert in minimally invasive surgery. Dr. Marmureanu is a highly skilled surgeon who has performed hundreds of robot-assisted surgeries with the innovative da Vinci Surgical System. Robotic surgery entails a series of considerable advantages: minimal tissue scarring due to the small incisions it involves, a shorter recovery period and a significantly reduced risk of postoperative complications.
  • The cardiothoracic surgeon has been affiliated with internationally acclaimed hospitals and medical centers in California, including California Heart & Lung Surgery Medical Center, founded by Dr. Marmureanu in 2002, St. Vincent Medical Center, Marina Del Rey Hospital, Cedars Sinai Medical Center, St. John’s Health Center and Hollywood Presbyterian Medical Center. All hospitals in L.A. allow him to perform heart and lung surgery without further ado.
  • The surgical procedures he performs have an incredible rate of success of over 99%. Nearly all of his patients are very satisfied with the outcome of their surgeries and consider Dr. Marmureanu an excellent surgeon and a caring medical professional.
  • Dr. Alexander Marmureanu is univocally trusted by all celebrities in L.A. and Hollywood area, including Leonardo Di Caprio, Warren Beatty and Paris Hilton. He is Jack Nicholson’s and Steven Spielberg’s cardiologist and has treated numerous other celebrities over the course of his outstanding medical career.


Research Experience


Research in Minimally Invasive Cardiothoracic Surgery

California Heart & Lung Surgery Medical Center

Los Angeles, California

Research Fellowship Focused on Mammalian Foregut Development

Laboratory of Developmental Biology and Repair,

Institute Of Reconstructive Plastic Surgery,

New York University , NY

Research Focused on Robotics in Cardiac Surgery

Minimally Invasive Surgery Center Mount Sinai School of Medicine

New York, New York