Thomas Marker, MD, FASNC

Providing quality, compassionate care for you and your family

Thomas Marker, MD, FASNC

Personal Biography:

Dr. Marker earned a medical degree from Michigan State University. He completed residency training at the Brackenridge Hospital in Austin, Texas, and a cardiovascular disease fellowship at Valley Medical Center in Fresno, Calif.

Dr. Marker is currently the director of Cardiac Rehabilitation and Echocardiography at Good Samaritan Regional Medical Center. He specializes in nuclear cardiovascular diagnostic studies and pacemaker insertion. He is a Fellow with the American Society of Nuclear Cardiology and is board certified in internal medicine, cardiovascular disease and nuclear cardiology.

Dr. Marker is an active athlete who enjoys music, reading and vegetable gardening. He is married and has three sons.

Medical Education and Training:

Medical degree: Michigan State University
Residency: Brackenridge Hospital
Fellowship: Valley Medical Center



  • Cardiology
    Cardiology is a medical specialty dealing with disorders of the heart. The field includes diagnosis and treatment of cardiac birth defects, coronary artery disease, heart failure, valvular heart disease and arrhythmias. Physicians specializing in this field of medicine are called cardiologists.