Kevin An, MD

Steven Landau, MD is a gastroenterologist / internist based in White Plains with an interest in inflammatory bowel disease. Dr. Landau completed medical school at New York University in 1981 and awarded membership to the medical honor society, Alpha Omega Alpha. He completed his residency in Internal Medicine in 1984 at the Bronx Municipal Hospital campus of Albert Einstein College of Medicine and went on to complete a fellowship in gastroenterology at the Mount Sinai Hospital in New York City. Dr. Landau opened a practice in internal medicine and gastroenterology in White Plains, New York in 1986 and maintained an academic affiliation as a clinical assistant professor first at Albert Einstein Medical School where he taught endoscopy and taught medical students at New York Medical College. Dr. Landau joined Cardiology Consultants of Westchester as their gastroenterologist in 2009 and joined ColumbiaDoctors in the 2011.

Dr. Hiroo Takayama is Chief of Adult Cardiac Surgery at NewYork-Presbyterian/Columbia University Irving Medical Center. He has more than 20 years of experience in treating patients with heart and vascular problems. As the Director of the Aortic Surgery Program and co-Director of the Aortic Center, the Hypertrophic Cardiomyopathy Center, and the Marfan Clinic at NYP/Columbia, Dr. Takayama has contributed to the care of over 4,000 patients by performing a variety of aortic and cardiac surgical procedures, approximately 300-350 operations every year. Dr. Takayama is internationally recognized for his work on complex aortic surgery (minimally invasive aortic surgery, valve-sparing aortic root replacement, aortic valve repair, aortic arch and thoracoabdominal aneurysm repair), hybrid aortic surgery (thoracic endovascular aneurysm repair), myectomy for obstructive hypertrophic cardiomyopathy, and heart failure surgery. He is a leader in outcome research in aortic diseases and heart failure. He has published more than 300-350 manuscripts in prestigious, peer-reviewed journals and has authored numerous book chapters about heart disease. Dr. Takayama attended University of Tokyo for Medical School, did his internship at University of Tokyo, general surgery residency in University of Washington Medical Center, and cardio-thoracic surgery fellowship in New-York Presbyterian/Columbia University Medical Center.

ColumbiaDoctors Medical Group is one of the largest multi-specialty practices in New York State, comprised of an experienced group of physicians specializing in Cardiology, Vascular Disease, Internal Medicine and Gastroenterology. The physicians at ColumbiaDoctors Medical Group are specialists in many areas of medicine, including: Congenital Heart Failure, Cardiac Transplantation, Cardiovascular Disease, Peripheral Vascular Disease, Pulmonary Hypertension, Arrhythmias, Cardiac Catheterization, Internal Medicine, Gastroenterology, Pulmonary Medicine and Nutrition & Wellness. ColumbiaDoctors Medical Group physicians are faculty members at New York Presbyterian/Columbia University Medical Center and actively participate in advanced research, in an effort to offer patients with complex illnesses access to therapies not readily available elsewhere. Some of the current cardiology protocols include: non-surgical treatments for valvular disease, new treatments for atrial fibrillation, methods to avoid use of blood thinners, as well as modalities to treat blood pressure with less medication. The physicians at ColumbiaDoctors Medical Group practice in several Westchester County locations include Hawthorne, White Plains, Eastchester, Hartsdale, Mount Vernon, Scarsdale, and Somers. Orange County locations include Goshen and Port Jervis New York.