About Dr. Brewer

Dr. Zachary Brewer is a board-certified cardiothoracic surgeon with Central Valley Doctors Health System, practicing primarily at Doctors Medical Center in Modesto, California. He previously served as Chairman of Cardiovascular Services and Director of Cardiac Surgery at Mercy San Juan Medical Center in Carmichael, California, during his tenure with Mercy Medical Group in Sacramento.

Dr. Brewer brings a broad and advanced surgical skill set to his practice, with expertise in coronary revascularization, valve repair and replacement, complex aortic surgery, reoperative procedures, and surgical treatment of atrial fibrillation.

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A native of North Carolina, Dr. Brewer was recognized as an All-American lacrosse player in high school before attending the Massachusetts Institute of Technology. At MIT, he was a four-year starting goalkeeper for the Engineers lacrosse team and earned dual degrees in Chemical-Biological Engineering and Biology. He completed his medical education at Vanderbilt University School of Medicine, where his interest in cardiac surgery first took root.

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Dr. Brewer matched into the prestigious Integrated Cardiothoracic Surgery Residency Program at Stanford University—the first of its kind in the United States. He was among the program’s earliest and youngest graduates, benefiting from a more focused training experience. His training at Stanford equipped him with exceptional proficiency across all domains of adult cardiac surgery.

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Since completing his training in 2017, Dr. Brewer has developed a high-volume, high-acuity cardiac surgery practice in Northern and Central Valley California. In addition to his clinical work, he serves as a volunteer faculty member in the Department of Cardiac  Surgery at the University of California, Davis School of Medicine, where he contributes to the education of future cardiac surgeons.

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In his spare time, he enjoys spending time with his family, including twin boys in addition to snowboarding and hiking.