Hiroo Takayama, MD, PhD

George J. Florakis, M.D., is the Malcolm P. Aldrich Professor of Ophthalmology at CUMC and Director of Columbia Ophthalmology in Westchester. Dr. Florakis is an expert in corneal surgery and consultation. He specializes in management techniques for corneal transplants, endothelial keratoplasty (DMEK, DSAEK), corneal dystrophies, and anterior segment trauma and reconstruction. A national leader in corneal diseases, Dr. Florakis is a Fellow of the American Academy of Ophthalmology, a member of the National Eye Bank Association of America, a longtime member of the medical advisory board of the Eye-Bank for Sight Restoration in New York, the New York Ophthalmological Society, New York State Medical Society, and the Northeast Cornea Society, as well as many other professional organizations. Dr. Florakis has authored many book chapters and peer-reviewed articles, and lectures extensively both nationally and internationally. Dr. Florakis received his undergraduate and medical degrees from Columbia University. Following his ophthalmology residency training at Columbia’s Edward S. Harkness Eye Institute, Dr. Florakis completed a fellowship in corneal and external eye diseases under the preceptorship of Jay Krachmer, MD, at the University of Iowa. Dr. Florakis sees patients in Westchester and in the Harkness Eye Institute at Columbia University Irving 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.

Justin K. Greisberg, MD, is an orthopedic surgeon specializing in foot and ankle reconstruction and complex musculoskeletal trauma. Dr. Greisberg is Chief of Foot & Ankle Orthopedics, Chief of Orthopedic Trauma, at NewYork-Presbyterian-Lawrence Division, and Professor of Orthopedic Surgery, Columbia University. Dr. Greisberg is an expert on complex reconstructive surgeries, limb realignment, diabetic reconstruction, Achilles tendon injuries, stress fractures, and total ankle replacement. His practice leverages advanced minimally invasive arthroscopic techniques, combined with the latest medications, braces, and orthotics to ensure accelerated recovery times. Following medical school and residency training, Dr. Greisberg completed advanced fellowship training in both foot and ankle surgery and orthopedic trauma. As chief of the foot and ankle service at Columbia University Irving Medical Center, Dr. Greisberg's practice – based in Manhattan and Westchester County – is supported by the full resources of the NewYork-Presbyterian Hospital system, and he frequently receives emergency trauma cases from across the region. In addition to his clinical practice, Dr. Greisberg is also a highly respected scholar who is conducting several research trials on foot and ankle procedures and trauma surgery. He co-authored a textbook, Core Knowledge in Orthopedics: Foot and Ankle, and numerous peer-reviewed articles that have appeared in professional medical journals. Dr. Greisberg is actively involved in the education of medical students and orthopedic residents and is frequently invited to lecture on complex problems of the foot and ankle at major medical conferences.