A Commitment to World-Class Heart and Vascular Care

Dr. Hammad Khan has been Cardiovascular Disease board certified since 2009 and Interventional Cardiology board certified since 2010. He has an impressive background, which includes a trial to Assess the OMEGA Coronary Stent System for the Treatment of a Single De Novo Coronary Artery Lesion Four, U.S. Post-Approval Study of the PROMUS Element Plus, a Platinum Chromium Coronary Stent System and Treatment Patterns and Events after Acute Coronary Syndrome, Co-PI on behalf of Loma Linda University Medical Center for ongoing multicenter observational study led by ACCF and Duke Clinical Research Institute. His career started at the Aga Khan University Medical College in Pakistan in 2000, where he graduated at the top 10th decile on the Cardiac Disease Board Exam, the top 9th decile on the Internal Medicine Board Exam, and in the top 4th percentile on USMLE steps 1 and 2. Dr. Khan expanded his experience through fellowships at the University of Texas Health Science Center in Houston, Texas and the University of South Florida College of Medicine, and he also served as an Assistant Professor of Medicine in the Division of Cardiology at Loma Linda University School of Medicine in Tampa, Florida. Dr. Khan’s research experience includes the study of Coronary Artery Dissection After Blunt Chest Trauma, Biological Correlates, and Clinical Implication of Angiographically Detected Coronary Artery Calcification.

Dr. Roger Duber’s sterling career spans nearly 40 years. He is board certified and specializes in cardiovascular diseases. Dr. Duber was recently recognized by the American Osteopathic Association (A.O.A. 2015) and San Antonio Regional Hospital (2017) as Physician of the Year. He has served on a range of educational and legislative committees, including the Ethics and Peer Review Committee (2009 - present), Chairman of Critical Care Committee, Chairman of Quality Assurance Committee, and is the current Chairman of Cardiology for San Antonio Regional Hospital. Dr. Duber has consistently expressed care for those in need, especially by conducting missions to Bolivia to administer pacemaker and rheumatic heart disease therapies. Dr. Duber has conducted various lectures for the Osteopathic Physician and Surgeons of California, addressing “Congestive Heart Failure,” “Update on Pacemaker Therapy,” “Cardiovascular- Early Detection,” and “Sudden Death in Young Athletes.” Dr. Duber takes great pride in providing excellence in cardiology care, by applying the latest in technology in a state-of-the-art and compassionate environment.

Dr. Suraj Rasania completed his Internal Medicine residency training at Seton Hall University in New Jersey, followed by a Geriatric Medicine fellowship at Harvard Medical School in Boston. Subsequently, he went to Geisinger Health System in Pennsylvania to complete a Cardiovascular fellowship followed by an Interventional Cardiology fellowship under Dr. Samin Sharma (highest volume operator for complex coronary lesions in the U.S.) at Mount Sinai Medical Center/Icahn School of Medicine in New York City. Within General Cardiology, he has an interest in treatment of CAD, preventive cardiology, arrhythmias including atrial fibrillation, valvular heart diseases, managing heart failure, as well as complexities of management and treatment decisions that go into taking care of elderly patients. Dr. Rasania has significant training in performing complex coronary interventions and utilizing the latest available diagnostic tools, including IVUS, iFR, FFR, and OCT along with a special skill set for therapies such as Impella assisted PCIs and cardiogenic shock therapies like LV assist devices (IABP and Impella). He treats calcified lesions with various atherectomy equipment, including rotational, orbital, and laser devices and intervenes on left main, bifurcation/trifurcation lesions, and chronic total occlusions (CTOs). Dr. Rasania also performs peripheral diagnostic and interventional procedures, along with structural heart procedures such as balloon aortic valvuloplasties and assists with TAVRs.  

Dr. Larry Chan, the most recent addition to our group, has finished an Advanced Structural Interventional Cardiology Fellowship at Cedars-Sinai Medical Center in Los Angeles, California. He is a native of Hong Kong and was raised in Akron, Ohio. Dr. Chan attended Ohio University in Athens, where he received his dual undergraduate degrees in Biological Sciences and Microbiology. He then attended Tulane University in New Orleans, Louisiana where he obtained a Master’s of Science degree. Dr. Chan received his medical degree from Lake Erie College of Medicine in Erie, Pennsylvania and then completed his Internal Medicine Residency, General Cardiology Fellowship, and Advanced Interventional Cardiology Fellowship at Plaza Medical Center in Fort Worth, Texas. Dr. Chan is board certified in Internal Medicine, General Cardiology, and Interventional Cardiology. Due to his extensive training, he is able to offer non-invasive, invasive, interventional, and structural cardiology services, including Transcatheter Aortic Valve Replacement (TAVR) and Watchman Left Atrial Appendage Occluder Implantation. In addition, he is trained in peripheral arterial and venous procedures, including transcatheter atherectomy and embolectomy for deep vein thrombosis, pulmonary emboli, and venous compression disease.

Dr. Samir Samarany is a cardiovascular specialist. He was born and raised in Lebanon and is trilingual in English, French, and Lebanese. He is a very thorough and caring physician and believes in the value of patient education. He also has personal interest in information technology and electronic devices, and he is always looking for ways to better utilize and improve patient care and medical practices. Outside of medicine, he enjoys spending time with his family, playing soccer, and exploring new places. He has two daughters, Chloe and Zoe, and is married to a lovely French lady, Danielle, who carries a major in interior architecture. 

His clinical interests and experience include evaluation and advanced treatment of structural heart disease with non surgical interventions (TAVR, Mitral clip, Tricuspid clip , TMVR, Watchman device, Valve in valve, PFO closure), evaluation and treatment of peripheral arterial disease, chronic venous insufficiency and veno-occlusive disease, and evaluation and treatment of pulmonary hypertension. Dr. Samarany has a strong background in care management and treatment, including advanced therapies of heart failure. He is a specialist in cardiac CT, cardiac MRI , echocardiogram 2D/3D, nuclear imaging and vascular imaging. Dr. Samarany’s training includes advanced cardiac imaging at Yale University Hospital in New Haven, a cardiology fellowship at Yale University Hospital, an internal medicine residency and chief residency at St. Raphael Hospital in New Haven, and medical school at Lebanese University in Beirut, Leba.

Shuchi Parikh is a a board certified Family Nurse Practitioner who completed her RN degree at Mount San Antonio College in 2009, followed by completing her Masters and NP degree at the top of her class at Western University of Health Sciences in 2017. She is a Critical Care Educator at Key Medical Resources and a Clinical Instructor for medical students at Western University of Health Sciences. Shuchi’s experience is in Cardiology, and her NP certification included rotations in primary care, family medicine, pediatrics, OBGYN, nephrology, and pulmonology. This rich background gives her a deeper understanding about acute and chronic diseases and their affect on our body systems, and the importance of formulating a plan to stabilize and treat each medical condition while encouraging positive outcomes. Shuchi is an active member of the California Association for Nurse Practitioners, the American Association of Nurse Practitioners, and the American Association of Critical Care Nurses. “Working in the coronary care unit at San Antonio Regional Hospital for eight years helped me develop an extensive background in critical care medicine, where I had the opportunity to take care of the most critical patients admitted to San Antonio Regional Hospital. It helped me understand the importance of primary care, preventive care, stabilizing, and treating medical conditions. In our interaction, you will find that I will treat your medical ailments from a holistic outlook that is not exclusive to cardiac conditions, and I hope that we can develop a trusting and lifelong relationship." In her free time, Shuchi enjoys spending time with her family, traveling, cooking, singing, doing yoga, and being out in nature.