Dr. Jiwani received his medical degree from Sindh Medical College in Karachi, Pakistan in 1989. He completed his residency in Pediatrics at the Schneider Children's Hospital at Long Island Jewish Medical Center at the Albert Einstein College of Medicine in New Hyde Park, New York.

He went on to complete a fellowship in Pediatric Cardiology in 1998, as well as a fellowship in Pediatric Echocardiography in 1999 at Schneider Children's Hospital at Long Island Jewish Medical Center. After finishing these fellowships, he was promoted to the rank of Assistant Professor and Attending Pediatric Cardiologist for the Schneider Children's Hospital, the Jacobi Medical Center, and North Central Bronx Hospital of the Albert Einstein College of Medicine where he served until joining UTMB in 2006.

He was promoted to Associate Professor of Pediatrics in September 2012. Dr. Jiwani is board certified by the American Board of Pediatrics in both Pediatrics and Pediatric Cardiology. He sees patients with acquired and congenital heart diseases from the fetal life throughout adulthood. He enjoys teaching and believes in high quality patient care.

Dr. Prasad is working as a clinical cardiologist for UTMB. He is currently focused on developing cardiology practice in Angleton, TX area.

Dr. Prasad is strongly inclined towards preventive cardiology and thus guides his patients and their families to lead a healthy lifestyle. He believes in risk factor modification by providing patient centered comprehensive cardiovascular treatment options and focused education.

Dr. Prasad graduated from both Internal Medicine & Cardiology fellowship programs from Guthrie Robert Packer Hospital, Sayre, PA. During his training, he was awarded with “Resident of the year 2010” and “Teaching cardiology fellow of the year” continuously all three years in a row (2012 to 2015).

Dr. Arun Narayanan is a Clinical Electrophysiologist and an Assistant Professor of Medicine in the Division of Cardiology at UTMB. He completed his medical training at the American University of Antigua, followed by his residency in Internal Medicine at the University of Texas Health Science Center in Houston. His interest in cardiology led him to pursue a fellowship in Cardiovascular Disease at New York Presbyterian Brooklyn Methodist Hospital where he was Chief Fellow. He then completed his advanced fellowship training in Clinical Cardiac Electrophysiology at Tufts Medical Center in Boston.

Dr. Narayanan specializes in the diagnosis and management of cardiac arrhythmias, including catheter ablation for atrial fibrillation, supraventricular tachycardia, and ventricular tachycardia, as well as cardiac device implantation for treatment of slow heart rhythms and prevention of sudden cardiac death. He has published several manuscripts and presented at national conferences including Heart Rhythm Society, American College of Cardiology, and American Heart Association. His research interests include hypertrophic cardiomyopathy, sudden cardiac death, and subcutaneous implantable cardioverter-defibrillators.

Dr. Narayanan is a proud, native Texan. He loves traveling, Houston sports, and spending lazy weekends at home with his wife and son.

A Gulf Coast native raised in Port Lavaca, Texas, Dr. Staloch is thrilled to be back home practicing as a highly skilled cardiac electrophysiologist at UTMB following almost a decade in Atlanta, Georgia. After completing his fellowship training at Emory University’s nation-leading electrophysiology center, he strives to provide patient-centered, guideline-directed care at the cutting-edge of technologic advancements in electrophysiology. He has clinical interests in complex device implantation, high risk lead extraction, simple and complex ablation therapies, and left atrial appendage closure. He currently practices predominately at the UTMB Clear Lake and League City campuses, but extends his reach in the outpatient setting seeing patients at his UTMB Texas City clinic.

Dr. Alwash specializes in cardiology and practices in the Clinical Cardiac Catheterization Laboratory.

Dr. Alwash earned his MD degree from Baghdad University College of Medicine, Baghdad, Iraq (2009). He completed his residency in internal Medicine at Wayne State University-School of Medicine, Rochester, MI (2018), an advanced Heart Failure and Heart Transplant fellowship at UTMB (2019) and a fellowship in Cardiovascular Medicine at UTMB Hospital (2023). Then he completed a fellowship in Interventional Cardiology at UTMB (2024).

Dr. Tony Tran is an Assistant Professor of Medicine in the Department of Internal Medicine, Division of Cardiology. His educational background includes a BS in Biology from the University of Houston - Honors College in 1993. While doing his undergraduate studies, he was involved in various research programs, including an undergraduate internship in the Department of Biology at Argonne National Laboratory in Illinois as well as a summer research fellowship in the Eukaryotic Transcriptional Regulation Section of the National Cancer Institute in Maryland. He also worked in the Division of Biochemistry at the University of Houston for his Senior Honors Thesis.

Dr. Tran completed his MD at UT Southwestern Medical School in Dallas, during which time he was a research fellow twice in the Biomedical Sciences Exchange Program-Deutscher Akademischer Austauschdienst (BMEP-DAAD) and worked at the Institut Biochimie, Charity Hospital/Humboldt University in 1994 and Max Delbrück Center for Molecular Medicine in 1997, both in Berlin, Germany.

He completed the Medical Research Investigator Track (MeRIT) clinical investigator pathway in Internal Medicine at Baylor College of Medicine in 2002, during which time he was involved in basic science research in Dr. Douglas Mann's heart failure laboratory. He also completed his fellowship in Cardiology at Baylor College of Medicine 2004.

Dr. Tran's interests include medical student and resident education as well as patient care. His research interests are in diastolic dysfunction and cardiac imaging. Dr. Tran sees patients at University Cardiology Clinic, Mainland Pavilion Center.

Dr. Cai completed his residency in internal medicine at Geisinger Medical Center in Pennsylvania. Then he completed his fellowship in cardiology at UTMB and The Methodist DeBakey Heart & Vascular Center in Houston. Dr. Cai joined UTMB Angleton Danbury Campus as an Assistant Professor and medical director in 2014.

Dr. Cai's professional interests include cardiac imaging, clinical cardiology, medical education, and quality improvement in cardiac care. He is board certified in cardiovascular diseases, internal medicine, echocardiography, nuclear cardiology, cardiac CT, and vascular ultrasound. He is a fellow of the American College of Cardiology and the American College of Physicians.

Dr. Cai has been involved in multiple clinical studies and research projects. He has published extensively and serves as a reviewer for a number of medical journals.

Dr. Cai serves cardiac and vascular patients including those with any established cardiovascular diseases. He also provides risk factor management and preoperative evaluation.

Dr. Shalaby graduated with honors from the University of Cairo, Egypt. After moving to USA, he completed his Residency in Internal Medicine from the University of Miami Regional Campus in 2012. He began his academic career as an assistant professor of Medicine at Case Western Reserve University in Cleveland, Ohio, where he also received an award for Teaching Excellence. Thereafter, Dr. Shalaby pursued fellowship training in Cardiovascular Diseases at UTMB from 2015-2018. After fellowship graduation he joined UTMB as an Assistant Professor in Invasive Cardiology.

His professional interests include cardiac imaging, clinical cardiology, congenital heart diseases and medical education. He is board certified in Echocardiography, Nuclear Cardiology, and Internal Medicine. Dr. Shalaby sees patients at the UTMB Primary & Specialty Care Clinic in Texas City and at the UTMB Clear Lake Campus Clinic Building in Webster, TX.

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Dr. Sabayon is an established and highly skilled Cardiac Electrophysiologist. His work was informed by his fellowship training at Emory University's nation-leading electrophysiology center. He is skilled in cutting-edge technology and Cardiac Electrophysiology procedures with demonstrated success in complex device implantation and extraction therapies, simple and complex ablation therapies, and left atrial appendage closure therapies. He is a member of the Heart Rhythm Society and has been a keynote speaker on multiple medical platforms. He currently practices at UTMB Clear Lake and League City Campuses and is the Electrophysiology Lab Director at the UTMB Clear Lake Campus and Interim Electrophysiology Lab Director at the UTMB Galveston Campus.