Mark Williams Cocalis, MD

Dr. Mark Cocalis is a cardiovascular disease specialist with additional expertise in critical care medicine. He earned his medical degree from University of California, Los Angeles David Geffen School of Medicine and completed both his residency training and fellowship programs at the same prestigious institution. With 42 years of experience in cardiovascular medicine, Dr. Cocalis has developed deep expertise in treating complex heart conditions. He speaks English with his patients.

Dr. Cocalis practices at multiple locations throughout California, including Stockton, San Francisco, and Modesto, and maintains hospital affiliations with Doctors Medical Center Of Modesto. His clinical focus includes treating congenital heart disease, Eisenmenger syndrome, and heart failure. He performs specialized cardiac procedures such as fetal echocardiograms, dobutamine stress echocardiograms, and Doppler echocardiograms. Patients consistently rate Dr. Cocalis highly for his care, giving him an …average rating of 4.9 out of 5 stars.