Our Team

Our team brings together experts in heart surgery, vascular surgery, cardiology and more to deliver comprehensive care no matter how complex or severe your aortic condition may be. Call (844) 792-6782 or fill out our appointment request form to meet our team today.

Our Surgeons

Hiroo Takayama, MD, PhD | Cardiac Surgeon | Co-Director, Aortic Center

Virendra I. Patel, MD, MPH | Vascular Surgeon | Co-Director, Aortic Center

Isaac George, MD | Cardiac Surgeon


Craig R. Smith, MD | Cardiac Surgeon | Chair, Department of Surgery

Our Cardiologists

David J. Engel, MD



Daniel S. O'Connor, MD, PhD



Gregg F. Rosner, MD



Our Support Team

Annie C. Yu, ANP

As an experienced surgical nurse practitioner, Annie coordinates care for our Aortic Center patients.  She ensures that all recommended treatment plans are carried out, and sees patients for continued follow-up visits, promoting long-term quality care.

Elizabeth Wist, MS, PA-C

Elizabeth Wist is a physician’s assistant specializing in Cardiothoracic Surgery. She collaborates with physicians in the inpatient and outpatient care of patients to ensure they receive the best treatment possible.

Michelle Castro

Michelle Castro, financial coordinator, works with every patient to secure presurgical approval and coverage by patients' insurance companies.

Our team is here to help you, whether it’s for diagnosis, treatment, or a second opinion. Call (844) 792-6782 or fill out our appointment request form to get started, or learn more about our programs and services.