Dr. Richard Chang

John Laird is an Interventional Cardiologist in Saint Helena,, California. Dr. Laird is rated as a Distinguished provider by MediFind in the treatment of Retinopathy Arteriosclerotic. His top areas of expertise are Peripheral Artery Disease, Carotid Artery Disease, Atherosclerosis, Angioplasty, and Atherectomy.

David Roberts is an Interventional Cardiologist in Sacramento, California. Dr. Roberts is rated as a Distinguished provider by MediFind in the treatment of Retinopathy Arteriosclerotic. His top areas of expertise are Aortic Valve Stenosis, Rheumatic Fever, Vasculitis, Transcatheter Aortic Valve Replacement (TAVR), and Aortic Valve Replacement. Dr. Roberts is currently accepting new patients.

Dr. Sheehan was born in Bakersfield, California and hails from the California Central Valley. He joined interventional pioneer Dr. John Simpson in 1983 at Cardiovascular Medicine and Coronary Interventions out of his fellowship at Loma Linda Medical Center. He is an interventional cardiologist at Sequoia Hospital and volunteers on the Stanford Volunteer Clinical faculty teaching medical students. He has special interests in the treatment of lipid disorders and cardiovascular sports assessment, and was the former San Jose Sharks' cardiologist. An active sportsman, Dr. Sheehan played for Stanford Championship Rose Bowl teams in 1971 and 1972. He has volunteered regularly for many local youth sports programs. In addition to consulting for Silicon Valley medical start-ups, he is dedicated to world healthcare and volunteers in Central and South America medical charities. In the local community, he enjoys volunteering for youth team sports.The Dignity Health Medical Group - Sequoia Cardiovascular Medicine and Coronary Interventions team evaluates and cares for patients with all types of cardiovascular conditions including hypertension, high cholesterol, cardiac prevention, valvular heart disease, congestive heart failure, arrhythmias, peripheral and coronary artery disease. We strive for the very highest level of personal service. If your health requires a hospital stay, our physicians will be there, guiding and managing your care every step of the way. Our nurses and staff are friendly, professional and supportive. We are connected with Sequoia Hospital's Heart and Vascular Institute, one of the nation's leading providers of cardiovascular care, which is now also afilliated with the renownedCleveland Clinic Heart & Vascular Institute – the only affiliation of its kind in Northern California. Dr. Sheehan is rated as an Advanced provider by MediFind in the treatment of Retinopathy Arteriosclerotic. His top areas of expertise are High Cholesterol, Vitamin D Deficiency, Familial Combined Hyperlipidemia, and Xanthoma.