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Meet Your Arrhythmia Team

Gan H. Dunnington

Gan Dunnington, MD

Cardiothoracic Surgeon  |  Medical Director

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.

Peter Chang-Sing

Peter Chang-Sing, MD, FACC, FHRS, CCDS

Cardiac Electrophysiologist

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.

Daniel Kaiser

Daniel Kaiser, MD

Cardiac Electrophysiologist

Dr. Kaiser is a board certified clinical cardiac electrophysiologist, specializing in innovative ablative procedures for arrhythmias, including the Hybrid Maze procedure. Having earned his medical degree from Vanderbilt University School of Medicine, he continued on to complete a combined internal medicine and cardiology fellowship before being recruited by Stanford University for a second fellowship in clinical cardiac electrophysiology. Dr. Kaiser holds several patents for medical devices and has launched a full-scale research initiative as part of the Arrhythmia Center.

In his spare time, Dr. Kaiser enjoys water sports including wakeboarding and water skiing. He is an avid Duke University basketball fan and a self-proclaimed “Cameron Crazy”.

L. Bing Liem

L. Bing Liem, DO, FHRS, FACC

Cardiac Electrophysiologist

Dr. Liem is a board certified cardiac electrophysiologist with a special interest in device-based therapy for arrhythmia and heart failure and in the overall treatment of complex arrhythmias. Dr. Liem earned his medical degree from Michigan State University College of Osteopathic Medicine where he received the Zandos Award for Outstanding Academic Achievement. He completed his internship and residency in internal medicine and cardiology in Michigan, and furthered his training with a fellowship in cardiology and electrophysiology at Stanford University Medical Center in Stanford, CA. He then became a faculty member at Stanford University for 15 years before pursuing a career in private practice. He is board certified in internal medicine, cardiovascular disease and earned a special competency in cardiac electrophysiology.

Throughout his career, Dr. Liem has held many leadership titles including Medical Director of the Arrhythmia Program at Stanford University. He currently belongs to the Board of Directors for the Heart and Vascular Institute and the Scientific Advisory Board for the Genomic Institute at El Camino Hospital. He has been an investigator in over 60 clinical trials and published peer-reviewed scientific papers. He has also been involved in the development of many medical devices in Silicon Valley. Dr. Liem has been successfully performing complex cardiac ablations for over 30 years and has been involved in over 50 hybrid maze procedures for the treatment of atrial fibrillation.

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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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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