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Gan H. Dunnington, MD

Dr. Gan Dunnington is a board certified cardiothoracic surgeon, specializing in minimally invasive complex cardiac procedures such as the Hybrid Maze for treatment of atrial fibrillation, mitral valve repair and replacement, transcatheter aortic valve replacement as well as VATS lobectomy for the treatment of lung cancer. Dr. Dunnington received his medical degree from Medical College of Virginia. He completed his residency at Stanford University where he also served as Chief Resident of Surgery. In addition, he also completed a fellowship in cardiothoracic surgery at the University of Virginia.

Prior to joining Adventist Heart Institute, Dr. Dunnington was an assistant professor at Stanford University and assistant director of cardiothoracic surgery at El Camino Hospital—a Stanford University affiliate.

Monica S. Divakaruni, MD

Dr. Monica Divakaruni earned her medical degree from University of California San Francisco School of Medicine in San Francisco, CA. She completed her internship and residency in internal medicine at Stanford University Medical Center, where she served as Chief Resident. In addition, she completed a fellowship in cardiovascular disease and interventional cardiology at Stanford University Medical Center. She is board certified in internal medicine, cardiology and interventional cardiology.

Focusing on innovative treatment options, Dr. Divakaruni keeps at the forefront of new diagnostic testing and the most advanced cardiac catheterization techniques available, including transcatheter aortic valve replacement. She predominately uses the transradial approach for cardiac catheterization which provides patients with a shorter, more comfortable recovery and a reduced risk of bleeding.

Dr. Divakaruni is an expert in women’s heart disease and is passionate about providing all aspects of cardiac care – from education and prevention to diagnosis and treatment.

Kathleen Tong, MD

Dr. Kathleen Tong is a specialist in the management of heart failure patients, pulmonary hypertension patients and preventive cardiology and cardiac rehabilitation. She completed medical school at the Northwestern University Feinberg School of Medicine in Chicago and did her residency in internal medicine at UC Davis Medical Center. She later completed a cardiovascular medicine fellowship at UC Davis Medical Center and an advanced heart failure and heart transplantation fellowship at UC San Francisco Medical Center.

Dr. Tong served as the director of the heart failure program and director of the preventative cardiology and cardiac rehabilitation program at UC Davis Medical Center, where she conducted research on the effectiveness of multidisciplinary strategy in the transition of care of heart failure patients from the inpatient to the outpatient setting. She is board certified in advanced heart failure and cardiovascular medicine.