Overview
Dr. Caldera completed his Vascular Medicine and Interventional Cardiology Fellowship Training at Massachusetts General Hospital, Harvard Medical School, and completed his Cardiovascular Medicine Fellowship Training at Baylor College of Medicine in Houston, TX. Dr. Caldera's areas of clinical and research interest include Vascular Medicine, Interventional Cardiology, Structural and Valvular Heart Disease and Vascular Medicine. He specializes in Transcatheter Aortic Valve Replacement ( TAVR) He has several publications in peer-reviewed journals and is an active voting member of the Peripheral Arterial Disease Committee of the Society for Cardiovascular Angiography and Interventions (SCAI). Dr. Caldera has been recognized as a Top Doc 2020, 2021, 2022, 2023, 2024, and 2025 by Austin Monthly Magazine. Winners are nominated by their peers as among the best in their region/nation in their medical specialty.
Dr. Caldera is rated as a Distinguished provider by MediFind in the treatment of Arrhythmias. His top areas of expertise are Sick Sinus Syndrome, Familial Hypertension, Angina, Transcatheter Aortic Valve Replacement (TAVR), and Aortic Valve Replacement.
His clinical research consists of co-authoring 7 peer reviewed articles and participating in 2 clinical trials. MediFind looks at clinical research from the past 15 years.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- OTHER COMMERCIAL
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- PPO
- HMO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- HMO
- INDEMNITY
- POS
- PPO
- OTHER MANAGED MEDICAID
- OTHER MEDICAID
- STATE MEDICAID
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE PART D
- EPO
- HMO
- MANAGED MEDICAID PLAN
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
302 University Blvd, Round Rock, TX 78665
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
2 Clinical Trials
St Davids Heart And Vascular PLLC
John Burkhardt is a Cardiac Electrophysiologist and a Cardiologist in Austin, Texas. Dr. Burkhardt is rated as an Elite provider by MediFind in the treatment of Arrhythmias. His top areas of expertise are Atrial Fibrillation, Ectopic Heartbeat, Ventricular Tachycardia, Cardiac Ablation, and Pacemaker Implantation. Dr. Burkhardt is currently accepting new patients.
St Davids Heart And Vascular PLLC
Amin Al-Ahmad is a Cardiac Electrophysiologist and a Cardiologist in Austin, Texas. Dr. Al-Ahmad is rated as an Elite provider by MediFind in the treatment of Arrhythmias. His top areas of expertise are Atrial Fibrillation, Arrhythmias, Ectopic Heartbeat, Cardiac Ablation, and Pacemaker Implantation. Dr. Al-Ahmad is currently accepting new patients.
Baylor Scott & White Clinic - Round Rock 302 University
Dr. Vijay Divakaran is a board-certified cardiologist with an interest in coronary and peripheral interventions. Dr. Divakaran is a member of the American College of Cardiology. With a career dedicated to advancing cardiovascular care, Dr. Divakaran combines cutting-edge interventional techniques with a deep commitment to tailoring treatments to individual patient profiles. His expertise extends from complex coronary interventions to pioneering personalized approaches that integrate genetic, lifestyle, and environmental factors into comprehensive care plans. His approach ensures that each patient receives care that is both scientifically rigorous and uniquely suited to their individual needs. Dr. Divakaran has been recognized as a Top Doc 2020, 2021, 2022, 2023, 2024, and 2025 by Austin Monthly Magazine. Winners are nominated by their peers as among the best in their region/nation in their medical specialty. He is also the 2025 recipient of The Internal Medicine Clerkship Faculty Member of the Year Award presented by Texas A&M University Health Science Center. In his spare time, Dr. Divakaram enjoys travel, reading and spending time with his family. Dr. Divakaran is rated as a Distinguished provider by MediFind in the treatment of Arrhythmias. His top areas of expertise are Sick Sinus Syndrome, Arrhythmias, Angina, Angioplasty, and Heart Valve Repair.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Distinguished
- AnginaDr. Caldera isDistinguished. Learn about Angina.
- Aortic RegurgitationDr. Caldera isDistinguished. Learn about Aortic Regurgitation.
- Aortic Valve StenosisDr. Caldera isDistinguished. Learn about Aortic Valve Stenosis.
- ArrhythmiasDr. Caldera isDistinguished. Learn about Arrhythmias.
- Atrial FibrillationDr. Caldera isDistinguished. Learn about Atrial Fibrillation.
- Coronary Heart DiseaseDr. Caldera isDistinguished. Learn about Coronary Heart Disease.
- Advanced
- Aortic Valve ReplacementDr. Caldera isAdvanced. Learn about Aortic Valve Replacement.
- ApoplexyDr. Caldera isAdvanced. Learn about Apoplexy.
- Arrhythmogenic Right Ventricular Cardiomyopathy
- Arterial EmbolismDr. Caldera isAdvanced. Learn about Arterial Embolism.
- AtherosclerosisDr. Caldera isAdvanced. Learn about Atherosclerosis.
- Atrial Septal Defect (ASD)Dr. Caldera isAdvanced. Learn about Atrial Septal Defect (ASD).
- Experienced
- Abdominal Aortic Aneurysm (AAA)Dr. Caldera isExperienced. Learn about Abdominal Aortic Aneurysm (AAA).
- Acute Coronary SyndromeDr. Caldera isExperienced. Learn about Acute Coronary Syndrome.
- Adenosine Deaminase 2 DeficiencyDr. Caldera isExperienced. Learn about Adenosine Deaminase 2 Deficiency.
- AngioplastyDr. Caldera isExperienced. Learn about Angioplasty.
- Anomalous Left Coronary Artery from the Pulmonary Artery
- Arterial InsufficiencyDr. Caldera isExperienced. Learn about Arterial Insufficiency.