Meet Your Arrhythmia Team

Gan H. Dunnington

Gan H. Dunnington, MD

Cardiothoracic Surgery  |  Medical Director

Napa and Mendocino Counties  •  (707) 963-7200

Dr. Dunnington is a boardcertified cardiothoracic surgeon, specializing in minimally invasive complex cardiac procedures, such as the Hybrid Maze for atrial fibrillation. 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 and founding the Arrhythmia Center, Dr. Dunnington was an assistant professor at Stanford University and assistant director of cardiothoracic surgery at El Camino Hospital—a Stanford University affiliate.

In treating patients with arrhythmia, Dr. Dunnington performs radiofrequency and cryotherapy ablation techniques. His surgical training allows him to treat patients with certain cancers of the lungs and esophagus as well as complex cardiac operations such as minimally invasive valve repair and replacement.

Aaron Kime

Aaron Kime, MD

Cardiothoracic Surgery

Napa County  •  (707) 963-7200

Dr. Kime, is a board-certified cardiothoracic surgeon through the American Board of Thoracic Surgery. His interests include aortic surgery both open and endovascular, coronary surgery, valve repair and replacement and ECMO. Dr. Kime received his medical degree from Rush Medical College in Chicago. He completed his internship and residencies at University of Southern California where he served as the Administrative Chief Resident for Integrated Cardiothoracic Surgery. Dedicated to his field, Dr. Kime is a member of the Society of Thoracic Surgeons and has engaged in research and academics with articles, editorials and poster presentations. Offering advanced care to address complex cardiovascular conditions, Dr. Kime looks forward to partnering with you in the care of your patients.

Matt Cain

Matt Cain, MD

Cardiac Electrophysiologist

Napa County  •  (707) 963-7200

Dr. Matthew Cain, MD, FHRS, is a dedicated board-certified cardiac electrophysiologist committed to improving patients' lives by addressing complex cardiac conditions. With a focus on diagnosing and treating heart rhythm disorders, Dr. Cain offers procedures like pacemaker insertion, cardiac ablation, and defibrillation, alongside medication management. His extensive medical background includes a medical degree from Jefferson Medical College, residency at the University of Chicago, and fellowships in cardiovascular disease and cardiac electrophysiology at the University of Texas Southwestern. Certified by the American Board of Internal Medicine in cardiac disease and electrophysiology, Dr. Cain is also a Fellow of the Heart Rhythm Society (FHRS). Throughout his career, he has shared his expertise as a clinical instructor and medical director, while contributing to peer-reviewed journals and medical conferences. Dr. Cain finds fulfillment in the immediate impact he makes on patients' lives every day.

Susan Judith Eisenberg, MD

Cardiac Electrophysiologist

Napa County  •  (707) 963-7200

Dr. Susan Eisenberg is a board-certified cardiac electrophysiologist specializing in innovative ablative procedures for arrhythmias. Dr. Eisenberg has nearly three decades of experience and is highly respected by her peers for her skill and collaborative and individualized approach to patient care.

Dr. Eisenberg earned her medical degree from New York Medical College and continued on to do her internship and residency at University of California San Francisco, where she later completed a fellowship. She has published research and presented internationally on atrial fibrillation and cardiac care.

Dr. Eisenberg is board-certified by the American Board of Internal Medicine in clinical cardiac electrophysiology. Before joining the Adventist Heart & Vascular Institute she served as medical director of the John Muir Health Cardiac Rhythm Center.

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