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Cardio Redwood Location

Dignity Health Sequoia

Cardiovascular Surgery - Dignity Health Medical Group - Redwood City, CA


2900 Whipple Ave, Ste 140

Redwood City, CA 94062



8:30 AM - 5:00 PM


8:30 AM - 5:00 PM


8:30 AM - 5:00 PM


8:30 AM - 5:00 PM


8:30 AM - 5:00 PM

Sat Closed

Sun Closed

Led by Luis Castro, MD and Adam Harmon, MD, the Sequoia Cardiovascular Services team is committed to delivering the highest-quality surgical care to each life they touch, and providing world-class outcomes with a hands-on “concierge” approach to patient care.

Dr. Castro and Dr. Harmon choose to practice exclusively at Sequoia Hospital in Redwood City, where Dr. Castro serves as the Director of Cardiac Surgery. Their skills are complimented by an expert team of nurses and other clinical staff who have worked with them for more than two decades. They are leaders in complex cardiac procedures and minimally invasive heart valve surgeries. Patients are referred to these surgeons from throughout the state of California and the nation. Dr. Castro and Dr. Harmon play an integral role in the success of the Sequoia Hospital Heart and Vascular Institute, which is now affiliated with the Cleveland Clinic Heart and Vascular Institute.

Cardiovascular surgeries 

Cardiology conditions treated

Our cardiology experts never miss a heartbeat for your cardiovascular health. Here are some of the conditions our cardiologists treat:

  • Hypertension
  • Dyslipidemia
  • Heart attack
  • Heart failure
  • Coronary artery disease
  • Arrhythmia
  • Tachycardia
  • Atherosclerosis
  • Congenital disabilities
  • Cardiomyopathy
  • Heart infection
  • Heart valve disease

Cardiovascular services offered

Meet our cardiovascular surgery team

Dr. Luis Castro received his medical degree at Stanford University School of Medicine, completing his internship and residency in general surgery at Stanford as well. Dr. Castro completed his cardiovascular surgery residency at the University of Southern California; he is board certified in surgery and thoracic surgery. Dr. Castro has been involved in or performed more than 5,000 cardiac operations; he has particular interest in mitral valve repair and aortic root reconstruction.

Dr. Castro has also enjoyed medical research – being published in numerous publications and presenting multiple times at scientific sessions. Dr. Castro is a member of the American College of Surgeons, the Western Thoracic Surgical Association and the Society of Thoracic Surgery. He has served as a consultant for Medtronic and St. Jude Medical, Inc. He is fluent in Spanish. Watch the YouTube video to hear Dr. Castro describe minimally invasive valve repair. Read Dr. Castro's Ask the Expert: The Impact of Cancer, Radiation Therapy & Heart Valve Function blog entry on

Dr. Sarkeshik has published over 12 book chapters and over a dozen articles in various surgical journals. He enjoys writing and contributing to the betterment of my speciality as a whole with the aim of optimizing the care provided to his patients. His clinical interests include surgical therapy for acquired cardiac disease, ascending and aortic arch aneurysm, thoracic endovascular aortic repair and complex hybrid aortic repair therapies.

Taemin Surh, PA is a board certified Physician Assistant.

"By using the most innovative evidence based medicine, I treat my patients using the best of my ability, knowledge and experience."

Care when you need it

With clinics throughout California, a Dignity Health Medical Foundation physician is right around the corner, waiting to assist you along your wellness journey.