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Our Administration


Clinical Cardiologist

Dr. Marc Petein

Dr. Marc A. Petein has been serving the Sun City area since 1985 as a Clinical Cardiologist and has become Medical Director. He received his medical degree from the University of Louvain in Belgium. Dr. Petein obtained his postgraduate training in Internal Medicine and Invasive Cardiology both in Belgium and the United States. While at the University of Minnesota Dr. Petein held a position of Assistant Professor of Medicine. He then returned to private practice and relocated to the Sun City area in 1985. Dr. Petein is board certified in Internal medicine and Cardiovascular disease. He offers clinical cardiology services part-time in both Sun City and Sun City West area hospitals.

Practice Administrator

Tracie Cobos

Tracie Cobos is our Practice Administrator who graduated from the University of Phoenix in 2003 with a Bachelor of Science Degree in Business Accounting. Tracie joined Cardiac Care in 1998 and has been the Office Manager since 2003. She is a member of the American College of Cardiology and the Society for Human Resource Management.

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