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.

Armin Kiankhooy

Armin Kiankhooy, MD

Cardiothoracic Surgery

Napa and Mendocino Counties  •  (707) 963-7200

Dr. Armin Kiankhooy is a board-certified cardiothoracic surgeon specializing in the most advanced treatments for heart and lung failure and minimally-invasive surgical treatments for atrial fibrillation such as the Hybrid Maze procedure.

Dr. Kiankhooy completed his general surgery residency at the University of Vermont and a cardiothoracic surgery fellowship at the University of Virginia. He later completed an advanced heart and lung failure fellowship at Cedars-Sinai Medical Center, with a focus on heart and lung transplantation and mechanical circulatory support, including the total artificial heart.

Dr. Kiankhooy most recently treated patients and was a member of the faculty at the Keck School of Medicine of the University of Southern California, where he served as director of MCS/VAD/ECMO and surgery director of wellness. Dr. Kiankhooy is active in research and publishes frequently. He is the recipient of the Etz Chiam Milgrom Award and the Richard J. Hurvitz Excellence in Teaching Award from USC.

Peter Chang-Sing

Peter Chang-Sing, MD, FACC

Cardiac Electrophysiology

Napa County  •  (707) 963-7200

Dr. Peter Chang-Sing has been in clinical practice in cardiology in Santa Rosa since 1991. He received his B.S. in Biological Sciences and M.S. in Electrical Engineering from Stanford University and was then concurrently enrolled in the M.D. program at Yale Medical School and the PhD program at Harvard Medical School where he also taught. He completed his internship in Internal Medicine at New York University Medical Center and his residency in Internal Medicine and fellowships in Cardiology and Clinical Cardiac Electrophysiology at Cedars-Sinai Medical Center in Los Angeles. He is certified by the American Board of Internal Medicine in Internal Medicine, Cardiovascular Disease and Clinical Cardiac Electrophysiology. He is a Fellow of the American College of Cardiology and a Fellow of the Heart Rhythm Society. He is Chief of Cardiovascular Disease and Cardiac Surgery and Medical Director of the Cardiac Electrophysiology Lab at Santa Rosa Memorial Hospital and St. Helena Hospital.

Dr. Chang-Sing’s practice consists of consultative as well as procedural cardiology, with interests in congestive heart failure, arrhythmia management and coronary artery disease. He has performed close to 5000 Catheter Ablations including over 1000 curative ablations for atrial fibrillation. Dr. Chang-Sing has been involved in over 50 Hybrid Maze procedures for atrial fibrillation. He enjoys spending time with his wife and two children, traveling, hiking, fishing and Stanford football.

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.

Carrie Pierce

Carrie Pierce, RN

Nurse Navigator

At the heart of our arrhythmia center is our dedicated nurse navigator, Carrie Pierce. Carrie will work with you to navigate you through your entire experience, including pre and post-operative instructions.

Start living. Heart healthy.

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To talk with someone immediately, call (888) 529-9018

The Adventist Heart Institute values your privacy and handles your personal information with care. Your email address and information is secure, confidential and will not be sold to any third party sources.

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