Vaikom Mahadevan


Structural cardiology specialist
Director, Adult Congenital Heart Disease (ACHD) Intervention Program

Dr. Vaikom Mahadevan is a world-renowned expert in interventional cardiology for treating adult congenital heart disease (ACHD) and structural heart disease. He has extensive experience in performing adult congenital and transcatheter valve procedures, including replacing all four of the heart's valves. He also has a strong interest in intracardiac echocardiography (ultrasound imaging inside the heart). He serves as director of the Adult Congenital Heart Disease and Structural Heart Intervention programs.

Mahadevan's research interests include transcatheter valve implantation and pulmonary hypertension in ACHD.

Mahadevan earned his medical degree from Stanley Medical College in Chennai, India, and received further training in internal medicine and cardiology in the United Kingdom. He completed a fellowship in adult congenital heart disease and intervention at the Royal Brompton Hospital in London, followed by a fellowship in the same specialties at Toronto General Hospital.

Before joining UCSF, Mahadevan served as a cardiology consultant and interventionist at the Manchester Royal Infirmary, part of Central Manchester University Hospitals. He was director of the ACHD and transcatheter aortic valve replacement program in Manchester, and he directed the ACHD interventional program for northwestern England. He also established and led the adult congenital pulmonary hypertension service for this region.

Recently, Dr. Mahadevan was selected to serve as a member of the NCDR IMPACT Registry Research & Publications Subcommittee, which is through the American College of Cardiology (ACC). Dr. Mahadevan is recognized as a leader in the College.

  • Education

    Stanley Medical College, 1994

  • Residencies

    Doncaster, 1997

  • Fellowships

    Royal Brompton Hospital, Adult Congenital Heart Disease and Intervention, 2004

    Toronto General Hospital, Adult Congenital Heart Disease and Intervention, 2005

  • Academic Title


Clinics I work with

Adult Congenital Heart Disease Clinic

535 Mission Bay Blvd. South
San Francisco, CA 94158

Heart Valve Disease Clinic

535 Mission Bay Blvd. South
San Francisco, CA 94158

Interventional Cardiology Program

See both San Francisco locations and learn more about our program.

San Mateo Primary and Specialty Care

1100 Park Place, Suite 100
San Mateo, CA 94403

My reviews


Overall Experience
109 Reviews
Explained things in a way that was easy to understand
108 Reviews
Did the doctor pay attention to your concerns
108 Reviews
Gave easy to understand instructions about taking care of health problems or concerns
107 Reviews
Knew the important information about your medical history
109 Reviews
The provider showed respect for what you had to say
108 Reviews
The provider spent enough time with me
109 Reviews
Decorative Caduceus

COMPASSION S3 - Evaluation of the SAPIEN 3 Transcatheter Heart Valve in Patients With Pulmonary...

Defined as a non-hierarchical composite of: RVOT reintervention, Moderate or greater total pulmonary regurgitation (PR) via Transthoracic Echocardiography (TTE), Mean RVOT gradient > 40 mmHg via TTE


Decorative Caduceus

Beating Heart Mitral Valve Repair With the HARPOON™ System

Composite safety endpoint, defined as freedom-from all-cause mortality, stroke, acute kidney injury (AKI), major bleeding, new permanent pace-maker implantation, deep sternal wound infection (DSWI) or wound infection requiring sur...


Decorative Caduceus

AMPLATZER PFO Occluder Post Approval Study

5 year rate of recurrent ischemic stroke


Decorative Caduceus

Clinical Trial to Evaluate the Safety and Effectiveness of Using the Tendyne Mitral Valve Syste...

Survival free of heart failure hospitalization at 12 months post index procedure


Decorative Caduceus

BioVentrix Revivent TC™ System Clinical Study

Composite primary safety endpoint of all cause death, placement of a mechanical support device intra or post-op (IABP, VAD, ECMO or catheter based), emergent cardiac surgery including reoperation for bleeding or tamponade, prolong...