11/09/2026 | Press release | Distributed by Public on 11/09/2026 15:49
Concord Hospital Cardiovascular Institute is pleased to welcome Steven King, APRN, Abigail "Abby" Blake, APRN and Jeanwoo Yoo, DO, to the team providing cardiovascular care across Concord Hospital Health System (CHHS).
Together, the three providers bring experience spanning inpatient and outpatient cardiology, cardiac catheterization, emergency and acute care, and cardiac electrophysiology.
Jeanwoo Yoo, DO, joins the Cardiovascular Institute as a cardiac electrophysiologist. Dr. Yoo completed a clinical cardiac electrophysiology fellowship at Mayo Clinic Florida following a cardiovascular disease fellowship at Albany Medical Center, where he also served as chief cardiology fellow. He completed his internal medicine residency at Stony Brook University Hospital and earned his Doctor of Osteopathic Medicine from New York Institute of Technology College of Osteopathic Medicine.
Dr. Yoo brings specialized training in diagnosing and treating heart rhythm disorders. His research has included atrial fibrillation and flutter, cardiac ablation and other areas of electrophysiology, with work presented at national meetings including the Heart Rhythm Society and American College of Cardiology.
Abigail "Abby" Blake, MSN, APRN, AGNP-C, joins the Cardiovascular Institute with experience caring for patients with coronary artery disease, heart failure, arrhythmias, valvular disease, cardiomyopathies and complex medical conditions. Most recently, she served as a cardiovascular medicine nurse practitioner at Dartmouth-Hitchcock Medical Center & Clinics, providing inpatient cardiology care and consultations, overseeing cardiac nuclear stress testing, and providing outpatient follow-up and chronic disease management.
Prior to becoming a nurse practitioner, Blake worked as a registered nurse in cardiac catheterization and electrophysiology, post-cardiothoracic surgical and medical-surgical settings. She earned her Master of Science in Nursing as an adult-gerontology primary care nurse practitioner from Russell Sage College.
Steven King, APRN, brings more than a decade of nursing experience in emergency, telemetry and cardiovascular procedural care. Most recently, he worked in the cardiac catheterization laboratory and emergency setting at Exeter Hospital, where he performed cardiac catheterization, pacemaker and defibrillator procedures, cardioversion and other advanced cardiovascular procedures. His earlier nursing experience at Anna Jaques Hospital included caring for patients experiencing cardiac arrest, stroke, trauma, and other acute conditions.
King earned his Master of Science in Nursing with a focus in adult-gerontology acute care from Saint Joseph's College of Maine in 2024. He previously earned a Bachelor of Science in Nursing from Massachusetts General Hospital Institute of Health Professions and a bachelor's degree in athletic training and physical education from Plymouth State University.
"Adding three providers with such complementary backgrounds strengthens our ability to care for patients throughout their cardiovascular journey," said CHHS Cardiovascular Institute and Specialty Practices Administrative Director, Somer Andrews. "Dr. Yoo brings highly specialized expertise in electrophysiology, while Abby and Steven bring strong clinical experience caring for patients with cardiovascular disease in a variety of settings. We are excited to welcome all three to our team and expand the expertise available to our patients."
The Concord Hospital Cardiovascular Institute provides comprehensive cardiovascular services, bringing together specialists and care teams to diagnose, treat and manage cardiovascular conditions.
For more information about Concord Hospital Cardiovascular Institute, visit https://www.concordhospital.org/medical-services/cardiac-care/.