Robert Denyer is a Cardiologist in Georgetown,, Texas. Dr. Denyer is rated as an Advanced provider by MediFind in the treatment of Pulmonary Hypertension. His top areas of expertise are Coronary Heart Disease, Aortic Regurgitation, Atherosclerosis, and Glucocorticoid-Remediable Aldosteronism.

Ryan Mack is a Cardiologist in Georgetown, Texas. Dr. Mack is rated as an Advanced provider by MediFind in the treatment of Pulmonary Hypertension. His top areas of expertise are Aortic Regurgitation, Pediatric Myocarditis, Necrosis, and Vasculitis.

Paul Katigbak is a Cardiologist in Georgetown, Texas. Dr. Katigbak is rated as an Experienced provider by MediFind in the treatment of Pulmonary Hypertension. His top areas of expertise are Long QT Syndrome, Long QT Syndrome 3, Long QT Syndrome 5, and Jervell Lange-Nielsen Syndrome (JLNS).

Sanjay Pandya is an Interventional Cardiologist in Georgetown, Texas. Dr. Pandya is rated as an Advanced provider by MediFind in the treatment of Pulmonary Hypertension. His top areas of expertise are Venous Insufficiency, Stasis Dermatitis and Ulcers, Angina, Heart Bypass Surgery, and Transcatheter Aortic Valve Replacement (TAVR).

Dr. Goraya has been recognized as a Top Doc 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. Goraya is rated as an Experienced provider by MediFind in the treatment of Pulmonary Hypertension. His top areas of expertise are Emphysema, Bullae, Lung Metastases, Gastrostomy, and Endoscopy.

Dr. Hernandez-Montfort grew up watching his parents – both physicians – work, and learning early the art of medicine and communication. He has pioneered programs in advanced cardiopulmonary disease and recovery across the globe with the goal of translating research to educational initiatives that help couple improved patient experience and longitudinal outcome. He is thrilled to now serve the Central Texas community and help improve their well-being. He is interested in advanced heart disease translational and clinical research with a focus on early recognition and early staging of cardiogenic shock, mechanical circulatory support, ventricular unloading and transitions to recovery, replacement and/or palliation. Dr. Hernandez-Montfort enjoys soccer, spending time with his family, talking about The Savage Detectives, and watching his kids grow in multiple dimensions. Connect with Dr. Hernandez-Montfort: Dr. Hernandez-Montfort on Doximity Jaime Hernandez-Montfort, MD, MPH, MSc | LinkedIn. Dr. Hernandez is rated as an Experienced provider by MediFind in the treatment of Pulmonary Hypertension. His top areas of expertise are Cardiogenic Shock, Heart Attack, Heart Failure, Heart Transplant, and Endoscopy.

Naveen Tyagi is an Intensive Care Medicine specialist and a Pulmonary Medicine provider in Round Rock, Texas. Dr. Tyagi is rated as an Experienced provider by MediFind in the treatment of Pulmonary Hypertension. His top areas of expertise are Lung Metastases, Chronic Obstructive Pulmonary Disease (COPD), Emphysema, Bullae, and Gastrostomy. He is board certified in Critical Care Medicine- American Board Of Internal Medicine, Pulmonary Disease- American Board Of Internal Medicine, and Internal Medicine- American Board Of Internal Medicine.

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 an Experienced provider by MediFind in the treatment of Pulmonary Hypertension. His top areas of expertise are Sick Sinus Syndrome, Arrhythmias, Angina, Angioplasty, and Heart Valve Repair.

Raymond Perkins is an Internal Medicine specialist and a Sleep Medicine provider in Round Rock, Texas. Dr. Perkins is rated as an Experienced provider by MediFind in the treatment of Pulmonary Hypertension. His top areas of expertise are Emphysema, Bullae, Obstructive Sleep Apnea, Lung Adenocarcinoma, and Gastrostomy.

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 an Experienced provider by MediFind in the treatment of Pulmonary Hypertension. His top areas of expertise are Sick Sinus Syndrome, Familial Hypertension, Angina, Transcatheter Aortic Valve Replacement (TAVR), and Aortic Valve Replacement.

Dr. Jacobo Vazquez is a board-certified cardiologist who specializes in cardiovascular disease prevention, treatment and monitoring. His areas of interest also include echocardiography, lipid disorders and medical education. With a focus on prevention, Dr. Vazquez works with patients to take the necessary steps to prevent cardiovascular disease before it happens. For those who have heart disease, he prioritizes monitoring and treating their condition. Whether it’s preventing or treating a cardiovascular condition, his goal is to partner with patients so they can achieve their maximum health potential and enjoy life and family. In his free time, Dr. Vazquez enjoys woodworking, healthy living, foreign languages and contemporary American history. Dr. Vazquez has been recognized as a Top Doc 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. Vazquez is rated as an Experienced provider by MediFind in the treatment of Pulmonary Hypertension. His top areas of expertise are Heart Failure with Preserved Ejection Fraction (HFpEF), Angina, Coronary Heart Disease, Aortic Valve Replacement, and Transcatheter Aortic Valve Replacement (TAVR).

Dr. Abou Hassan gets tremendous satisfaction from meeting with his patients, providing guidance and comfort and walking them through all the steps of care and treatment. He is thrilled to serve the Central Texas community and bring his experience to patients. He enjoys soccer, spending time with his family, and following major sports events. Dr. Hassan is rated as an Experienced provider by MediFind in the treatment of Pulmonary Hypertension. His top areas of expertise are Pericarditis, Restrictive Cardiomyopathy (RCM), Sitosterolemia, and Heart Failure.

Dr. Stancoven 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. Stancoven is rated as an Experienced provider by MediFind in the treatment of Pulmonary Hypertension. Her top areas of expertise are Angina, Coronary Heart Disease, Heart Attack, Transcatheter Aortic Valve Replacement (TAVR), and Aortic Valve Replacement.

Dr. Leticia Castillo Kontak is a board-certified cardiologist with a particular interest in echocardiography, transesophageal echocardiography, stress testing, screening and primary prevention of cardiovascular disease and wellness. Dr. Castillo Kontak focuses on a wide range of cardiovascular disorders, including screening and management of coronary artery disease, valvular disease and arrhythmias. She provides transesophageal echocardiography imaging for percutaneous valve interventions including transcatheter edge-to-edge repair and left atrial appendage occlusion devices. As a clinical educator, she teaches in the cardiovascular disease fellowship program. Dr. Castillo Kontak holds a professional membership with the American College of Cardiology. She treats adult patients and is fluent in both English and Spanish. Outside of work, Dr. Castillo Kontak enjoys traveling internationally with her family, spending time at music festivals, cycling and strength training. Dr. Kontak has been recognized as a Top Doc 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. Kontak is rated as an Experienced provider by MediFind in the treatment of Pulmonary Hypertension. Her top areas of expertise are Heart Murmurs, Angina, Coronary Heart Disease, Transcatheter Aortic Valve Replacement (TAVR), and Aortic Valve Replacement.

Rafael Gonzalez is a Cardiologist and an Interventional Cardiologist in Round Rock, Texas. Dr. Gonzalez is rated as an Experienced provider by MediFind in the treatment of Pulmonary Hypertension. His top areas of expertise are Angina, Sick Sinus Syndrome, Coronary Heart Disease, Angioplasty, and Transcatheter Aortic Valve Replacement (TAVR).

Michael Lenis is a Cardiologist in Round Rock, Texas. Dr. Lenis is rated as an Advanced provider by MediFind in the treatment of Pulmonary Hypertension. His top areas of expertise are Apoplexy, Pulmonary Veno-Occlusive Disease, Pulmonary Hypertension, and Heart Attack.

Joseph Szczytowski is a Cardiologist in Round Rock, Texas. Dr. Szczytowski is rated as an Advanced provider by MediFind in the treatment of Pulmonary Hypertension. His top areas of expertise are Coronary Heart Disease, Glucocorticoid-Remediable Aldosteronism, Hypertension, and Angina.

Dominic Dekeratry is a Pulmonary Medicine specialist and an Intensive Care Medicine provider in Georgetown, Texas. Dr. Dekeratry is rated as an Experienced provider by MediFind in the treatment of Pulmonary Hypertension. His top areas of expertise are Lung Metastases, Pneumonia, Chronic Obstructive Pulmonary Disease (COPD), Gastrostomy, and Endoscopy. Dr. Dekeratry is currently accepting new patients.

Esther Fields is a Pulmonary Medicine specialist and an Intensive Care Medicine provider in Georgetown, Texas. Dr. Fields is rated as an Experienced provider by MediFind in the treatment of Pulmonary Hypertension. Her top areas of expertise are Pneumonia, Lung Metastases, Emphysema, Gastrostomy, and Endoscopy. Dr. Fields is currently accepting new patients.

Audrey Nguyen is a Pulmonary Medicine specialist and an Intensive Care Medicine provider in Georgetown, Texas. Dr. Nguyen is rated as an Experienced provider by MediFind in the treatment of Pulmonary Hypertension. Her top areas of expertise are Emphysema, Pneumonia, Bullae, Gastrostomy, and Endoscopy. Dr. Nguyen is currently accepting new patients.