Dr. Thomas Amidon

Oscar Briseno is a Cardiologist in Mount Vernon, Washington. Dr. Briseno is rated as a Distinguished provider by MediFind in the treatment of Familial Neurocardiogenic Syncope. His top areas of expertise are Cardiomyopathy, Coronary Heart Disease, Angina, and Atrial Fibrillation.

J. Susie Woo, MD, is a board-certified cardiologist. Her medical interests include preventive and diagnostic cardiology; echocardiography; cardiac risk assessment; and valvular and aortic disease.  She has specialized training in cardiac imaging and heart failure, with additional board certifications in Nuclear Cardiology and Advanced Heart Failure and Transplant Cardiology.Dr. Woo makes it a priority to listen and develop a strong patient-doctor relationship through education and open communication. She recognizes the need to understand each patient's differences and preferences, from the impact of genetics, race and gender to their reactions to medications and response to treatment.Dr. Woo was the Medical Director for Education and Outreach before taking on the role as Section Head for Cardiology at Virginia Mason in 2020.  She is a Fellow of the American College of Cardiology and was recognized by both Seattle Magazine and Seattle Met Magazine as a Top Doctor in 2021.Away from work, Dr. Woo enjoys music, reading, Pilates, cooking, the outdoors, and spending time with friends and family. Dr. Woo is rated as a Distinguished provider by MediFind in the treatment of Familial Neurocardiogenic Syncope. Her top areas of expertise are Heart Failure with Preserved Ejection Fraction (HFpEF), Coronary Heart Disease, Atrial Fibrillation, and Familial Ventricular Tachycardia.

"Mariko Harper, MD, FACC is a board-certified cardiologist who specializes in all aspects of adult cardiology including: coronary artery disease, hyperlipidemia, valvular heart disease, arrhythmias, genetic/infiltrative cardiomyopathy, hypertrophic cardiomyopathy (HCM) and heart failure. She has a special expertise in advanced heart failure and advanced cardiac imaging with additional training and board certifications in both echocardiography and nuclear cardiology.Dr. Harper serves as the Medical Director of The Hypertrophic Cardiomyopathy Center at Virginia Mason Franciscan Health. Under her direction, she has created a regional center providing an individualized approach to the diagnosis, genetic testing, advanced cardiac imaging and medical/surgical management of patients with HCM. Each patient is reviewed by a multidisciplinary team of physicians and treatment plans are designed with patient input, using a shared decision making model. The HCM Center offers comprehensive HCM treatments including: medical therapy, defibrillator implantation, alcohol septal ablation and surgical septal myectomy. The HCM Center is also one of the first centers in the PNW to offer the recently FDA-approved novel HCM medication mavacamten through a comprehensive drug safety program. She also serves as a principal investigator for ongoing HCM clinical trials.Dr. Harper has authored and published multiple peer reviewed articles and book chapters in a wide range of topics in cardiology. She has been an invited speaker at both national and regional meetings on topics including hypertrophic cardiomyopathy, hyperlipidemia, and preventive cardiology. Following her passion for patient education and cardiovascular disease prevention, she is also one of the course directors for the ""Food Is Medicine"" continuing medical education lecture series at Virginia Mason Franciscan Health. Dr. Harper believes in patient-centered and patient-driven care. She emphasizes the importance of shared clinical decision making, with open dialogue between the patient and the entirety of the patient's multidisciplinary care team.Dr. Harper has been recognized as aSeattle MetTop Doctor in 2021 and 2022.In her free time, she enjoys reading, gardening, running and spending time with her family.". Dr. Harper is rated as a Distinguished provider by MediFind in the treatment of Familial Neurocardiogenic Syncope. Her top areas of expertise are Hypertrophic Cardiomyopathy (HCM), Heart Failure with Preserved Ejection Fraction (HFpEF), Familial Hypertrophic Cardiomyopathy, and Cardiomyopathy.