When it comes to exceptional healthcare, Columbia Surgery continues to lead the way. More than 40 surgeons from the Department of Surgery have been named Castle Connolly Top Doctors for 2026.
Castle Connolly Top Doctors represent the top 7% of practicing physicians in the United States. This highly selective honor is based on peer nominations and a rigorous, physician-led research and vetting process that evaluates clinical excellence, professional reputation, and commitment to patient care.
About Castle Connolly Top Doctors
- Peer Nominated: Physicians must first be nominated by fellow licensed physicians. In 2025 alone, Castle Connolly received more than 47,000 peer nominations nationwide.
- Rigorous Research Process: Each nomination is thoroughly reviewed by Castle Connolly’s physician-led research team to ensure candidates meet the organization’s exacting standards.
- Top 7% Nationwide: In 2026, more than 72,000 physicians were recognized from a pool of over 1.1 million U.S. doctors, underscoring the significance of this achievement.
Year after year, Columbia surgeons are recognized not only by Castle Connolly, but also by the patients and communities they serve. The Department of Surgery extends its sincere congratulations to the following faculty members honored as 2026 Castle Connolly Top Doctors:
Abdominal Organ Transplantation
Bariatric Surgery
Bariatric and General Surgery (at NewYork-Presbyterian Westchester)
Breast Surgery
Cardiac Surgery
- Michael Argenziano, MD
- Arnar Geirsson, MD
- Isaac George, MD
- Craig R. Smith, MD
- Hiroo Takayama, MD
- Koji Takeda, MD
Cardiac Surgery (Pediatric & Adult Congenital)
Colorectal Surgery
General Surgery
General Surgery (Abdominal Wall)
GI/Endocrine Surgery
Plastic Surgery
Pediatric Surgery
Thoracic Surgery
- Frank D'Ovidio, MD
- Mark E. Ginsburg, MD
- Lyall A. Gorenstein, MD
- Michael I. Ebright, MD
- Joshua R. Sonett, MD
Transplant Hepatology (Adult)
Transplant Hepatology (Pediatric)
Vascular Surgery
These surgeons collaborate closely with colleagues across NewYork-Presbyterian/Columbia, where more than 400 physicians were also recognized as 2026 Castle Connolly Top Doctors. Together, they provide comprehensive, multidisciplinary expertise spanning diagnostic radiology, cardiology, oncology, gastroenterology, endocrinology, pediatrics, and more.
Explore the complete list of Castle Connolly’s Top Doctors, featuring specialists from NewYork-Presbyterian/Columbia, NewYork-Presbyterian/Westchester, and Morgan Stanley Children’s Hospital, and learn more about the full directory of surgeons at Columbia Surgery.
