Makoto Tokiwa, MD

Renee A. Bloomfield, NP is a nurse practitioner specializing in shoulder, elbow, and sports medicine in New York, NY. With a focus on providing exceptional care, Renee offers a range of services to help patients manage their health and recover from injuries. With multiple locations, including the CUIMC Herbert Irving Pavilion and ColumbiaDoctors - Midtown, Renee A. Bloomfield, NP accepts a variety of insurance plans to ensure accessibility for patients seeking her expertise.Generated from the website

Dr. Alexander Neuwirth is an orthopedic surgeon specializing in advanced hip and knee reconstruction, with a focus on non-operative and surgical treatment of early, middle, and late-stage arthritic conditions of the hip and knee. For patients requiring surgical intervention, Dr. Neuwirth specializes in anterior approach hip replacement, knee replacements, as well as complex revision surgeries to treat failed hip and knee replacements. Dr. Neuwirth received his medical degree from Rutgers University-Robert Wood Johnson Medical School, where he also completed his undergraduate degree. Following medical school, Dr. Neuwirth trained as a resident in orthopedic surgery at the University of Pennsylvania, where he also spent a year as a postdoctoral research fellowship in the McKay Orthopaedic Research Laboratory. Dr. Neuwirth completed a fellowship in adult hip and knee reconstruction at Columbia University Irving Medical Center and currently serves as an Associate Professor of Orthopedic Surgery and Attending Physician for the Department of Orthopedic Surgery, within the Columbia University Vagelos College of Physicians and Surgeons. In addition to his clinical practice, Dr. Neuwirth is actively engaged in ongoing clinical outcomes research in the field of joint replacement and reconstruction. His primary research efforts are focused on the eradication of infection following hip and knee replacements.

Dr. Homma is the Margaret Milliken Hatch Professor of Medicine at Columbia University Medical Center, where he serves as the Deputy Chief of Cardiology Division, and the Director of Noninvasive Cardiac Imaging. For NewYork Quality Care, the ACO of NYPH/Columbia/Weill-Cornell, Dr. Homma is the Chief Medical Officer of NewYork Quality Care (Columbia) and Chief Executive Officer of Columbia Affiliate Physicians. Dr. Homma is a graduate of Dartmouth College and Albert Einstein College of Medicine. He completed internal medicine residency at the Montefiore Medical Center, and cardiology fellowships at Massachusetts General Hospital and Columbia-Presbyterian Medical Center. Dr. Homma is a founding board member of AHA Heritage affiliate and has served on the board of other organizations including American Society of Echocardiography where he headed up International Relations Committee. He serves or has served on various practice guideline committees including those for American Academy of Neurology, American Society of Echocardiography and European Heart Failure Society. Dr. Homma holds professorships at Tokyo Women’s Medical University, Tohoku University, and Kansai Medical University. He is credited with publishing more than 500 full-length manuscripts and has been continuously funded by NIH since 1989. His research interests center around echocardiographically detected embolic risk factors and treatment strategies for these findings. Dr. Homma has published extensively on such risk factors as PFO, aortic plaque and low cardiac ejection fraction. Most recently, he has been the Clinical PI for NIH-funded Warfarin Aspirin Reduced Cardiac Ejection Fraction Study (WARCEF), an 11-country, 168-center clinical trial to compare warfarin and aspirin in patients with reduced LVEF in sinus rhythm.