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Daniel Beckles, M.D., PhD, Division Chief of Cardiothoracic Surgery at SUNY Downstate Medical Center

Daniel Beckles, M.D., PhD

Division Chief, CT Surgery

Department of Surgery, SUNY Downstate Medical Center

Tel: (718) 270-1981 | Fax: (718) 270-3843



Daniel Beckles, M.D., PhD, is a Clinical Professor of Surgery and a Chief of the Division of Cardiothoracic Surgery at SUNY Downstate Medical Center. He is board certified in general and thoracic surgery.

Dr. Beckles was born in Trinidad and Tobago and migrated to the USA at the age of 17. He earned his BS degree in Biochemistry and his MS degree in Chemistry from Stony Brook University and his Medical Degree at SUNY Downstate College of Medicine.  He stayed on to complete his general surgery internship, residency and chief residency along with his PhD in cardiovascular Molecular and Cellular Biology at SUNY Downstate Medical Center/Kings County Hospital Center. He completed his cardiovascular and thoracic surgery residency at the University of Texas Southwestern Medical Center in Dallas/Parkland Memorial Hospital and a thoracic surgery fellowship at the Brigham and Women’s Hospital-Harvard Medical School.

He is board certified in general and thoracic surgery and was the founding Director of Minimally Invasive Cardiac and Thoracic Surgery at the University of Texas Medical Branch (UTMB), a member of the Texas Medical Center in Houston.  During the last five years, he holds the record for performing numerous first, including the first robotically assisted minimally invasive cardiac surgery, minimally invasive aortic valve and mitral valve surgeries and had an active hybrid coronary revascularization program. His practice used minimally invasive and beating heart “off-pump” CABG for coronary revascularization and bilateral internal mammary arteries.  His practice emphasized collaboration and a multi-disciplinary approach to provide personalized patient care and offer minimally invasive surgery whenever possible without compromising outcomes.   He also performed the first video-assisted thoracoscopic (VATS) lobectomy, VATS bilobectomy, VATS pneumonectony, VATS thymectomy, robotic assisted lobectomy, cervical video mediastinoscopy, and the first minimally invasive esophagectomy (MIE) while at UTMB. 

He is a specialist in the care of end-stage heart disease and lung diseases. He was the United Network  for Organ Sharing (UNOS) certified surgical director of heart transplant and the previous co-director of lung transplantation.  He performed pediatric and adult ECMO and implantation of left ventricular assist devices (LVADs) for end-stage heart disease.  During this time, his institution obtained advanced certification in ventricular assist device for destination therapy from the Joint Commission in January 2012 and he served as a Principal Investigator for the Interagency Registry for Mechanically Assisted Circulatory Support (INTERMACS). As the surgical co-directorship of Lung transplantation his institution was certified by CMS for the first time in 2012 and awarded the national silver award by the U.S. Department of Health and Human Services.  Prior to moving to Texas, Dr. Beckles’s first academic appointments were as an Assistant Professor of Cardiothoracic Surgery and Surgical Director of the Lung Transplant Program at Mount Sinai Medical Center in New York City.

Dr. Beckles is an academic surgeon, researcher, educator and innovator with numerous peer reviewed clinical and basic science papers and abstracts, book chapters in cardiovascular surgery and cardiac molecular biology.  He is an inventor on 2 United States and international patents developed for heart diseases.  He is double boarded by the American Board of Surgery and the American Board of Thoracic Surgery. He is a fellow of the American College of Cardiology, the American College of Surgeons, American College of Chest Physicians, member of the Society of Thoracic Surgeons, the American Heart Association, International Society for Minimally Invasive Cardiothoracic Surgery and the International Society for Heart and Lung Transplantation.

He has numerous clinical, teaching, and research excellence awards and was elected into AOA, named in Guide to America’s Top Surgeons by Consumers Research Council 2010 - 2014, chosen as Texas Super Doctors Rising Stars in 2013, recognized as Top Doctors in Houstonia Magazine in 2013 and 2014 and recognized as a Houston Top Doctor in H Texas Magazine in 2014 by his peers. He is honored to be a part of the Department of Surgery in the Division of Cardiothoracic Surgery at Downstate Medical Center.


Siyamek Neragi, M.D. PhD, Clinical Assistant Professor of Surgery, Division of Cardiothoracic Surgery, SUNY Downstate Medical Center

Siyamek Neragi-Miandoab, M.D. PhD

Clinical Assistant Professor, Division of Cardiothoracic Surgery

Department of Surgery, SUNY Downstate Medical Center

Tel: (718) 270-1981 | Fax: (718) 270-3843

e-mail: siyamek.neragi@downstate.edu



Dr. Neragi earned his medical degree from Albert Ludwigs University of Freiburg, Germany, and defended a doctoral thesis. He received a research fellowship scholarship from Massachusetts General Hospital/Harvard Medical School focused on disorders of the heart and lung, including heart failure, lung cancer, and catheter based interventions. Following his research, Dr. Neragi completed his general surgery training at St. Vincent?s Medical Center in Manhattan and a cardiothoracic surgery residency at Montefiore Medical Center in New York City.

He then trained at the German Heart Center in Leipzig for 6 months under the tutelage of internationally known Dr. Friedrich-Wilhelm Mohr in TAVR, catheter-based interventions, and aortic surgery. Later on he returned to Montefiore Medical Center in NY City as an attending surgeon.

Dr. Neragi has published numerous abstracts, papers, and book chapters, and presently serves on the editorial board of multiple scientific journals.
Dr. Neragi?s interests are in cardiovascular surgery, including TEVAR (thoracic endovascular aneurysm repair), TAVR (transcatheter aortic valve repair), heart failure, and structural heart diseases including implantation of short and long-term mechanical circulatory support devices.