About Us

California Heart & Lung Surgery Medical Center


Dr. Alexander Marmureanu is the founder and CEO of California Heart & Lung Surgery Medical Center, located at 100 UCLA Medical Plaza, Ste 410, Los Angeles, CA.

Since its beginning in 2002, the center has provided top-quality medical care and offers the most advanced thoracic and cardiovascular surgical procedures currently available, with a proven track record.

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Mission and Values


At California Heart & Lung Surgery Medical Center, we are dedicated to providing quality patient care as well as innovative research that will enhance our patients' outcomes.

Alexander R. Marmureanu, MD


Dr. Alexander Marmureanu is a prominent board-certified thoracic and cardiovascular surgeon, with special expertise in the field of minimally invasive surgery where he pioneered and developed several techniques and procedures. In his 30 years of practice, he has been able to successfully treat some of the most complex and challenging heart and lung conditions with high rates of success.

Dr. Marmureanu completed his General Surgery Residency and a Research Fellowship at New York University Medical Center (NYU) in New York City.

He then continued his surgical training at Mount Sinai Medical Center in New York City, where he was actively involved in the field of thoracic and cardiovascular surgery research.

He completed his Cardiothoracic Surgery Fellowship at the University of California Los Angeles (UCLA) in 2002.

He continued to practice as UCLA Faculty, before joining Cedars-Sinai Medical Center and also becoming Director of several Cardiothoracic Surgery Programs in Los Angeles.

Dr. Marmureanu is nationally and internationally recognized in the field of thoracic and cardiovascular surgery and has authored numerous research papers and clinical publications. Active in both local and international charitable causes, Alexander donates his time by traveling around the world to train local surgeons and perform pro-bono procedures.

He has appeared as a guest speaker on numerous TV and radio shows, where he discussed the benefits of cutting-edge surgical techniques as well as the advantages of minimally invasive surgery for thoracic and cardiovascular patients.

Dr. Marmureanu maintains a busy and active cardiothoracic surgery practice in several hospitals, where he performs over 400 surgical cases per year with outstanding results.

He is a member of well-recognized organizations, boards, and committees, as well as an invited speaker/visiting professor both nationally and internationally.

Specialty & Board Certifications


Thoracic and Cardiovascular Surgery

Board Certified in Cardiothoracic Surgery and General Surgery

Surgical Training


Cardiothoracic Surgery Fellow

UCLA Medical Center

Division of Cardiothoracic Surgery,

University of California, Los Angeles

Chief Resident, Dept. of Surgery

Mount Sinai School of Medicine

Mount Sinai - NYU Medical Center

New York, New York

Senior Resident, Dept. of Surgery

Mount Sinai School of Medicine

Mount Sinai - NYU Medical Center

New York, New York

Postdoctoral Research Fellow

Laboratory of Developmental Biology and Repair

Institute of Reconstructive Plastic Surgery

NYU Medical Center, New York, New York

Junior Resident, Dept. of Surgery

New York University School of Medicine

Mount Sinai - NYU Medical Center

New York, New York

General Surgery Intern, Dept. of Surgery

New York University School of Medicine

Mount Sinai - NYU Medical Center

New York, New York

Faculty Positions Held


Clinical Instructor, Division of Cardiothoracic Surgery

UCLA Medical Center

University of California, Los Angeles

Teaching Assistant in General Surgery

New York University School of Medicine

Mount Sinai - NYU Medical Center

New York, New York

Teaching Assistant in Plastic Surgery

New York University School of Medicine

Mount Sinai - NYU Medical Center

New York, New York