

Orthopaedics
Stephen Nicholas, MD
New York, NY
Dr. Stephen J. Nicholas, MD, is a nationally recognized authority in sports medicine and orthopaedic surgery, serving as founder and current director of NY Orthopedics. He directs the Nicholas Institute of Sports Medicine and Athletic Trauma (NISMAT), the nation's first hospital-based facility dedicated to sports medicine research and training in sports medicine and physical therapy. His subspecialty focuses on sports-related injuries across professional, collegiate, and amateur athletes, with e
40+
Years in Practice
Credentials
Board Certifications
- Orthopaedic Surgery (American Board of Orthopaedic Surgery)
- Orthopaedic Sports Medicine (American Board of Orthopaedic Surgery)
Education & Training
- New York Medical College, Doctor of Medicine (1986)
- Harvard University (Bachelor’s)
- Hospital for Special Surgery, Residency in Orthopedic Surgery
- Lenox Hill Hospital, Fellowship in Sports Medicine
Peer Recognition
- Castle Connolly — Top Doctor
2002-2026 (25 years)
- New York Magazine — One of New York’s Best Doctors
- Super Doctors — Super Doctor
2008-2025 (18 years)
Clinical Focus
Subspecialties
Sports Medicine
Conditions & Treatments
Arthroscopic SurgerySports InjuriesACL & Ligament ReconstructionRotator Cuff & Shoulder RepairCartilage RestorationShoulder Disorders
Practice Details
Hospital Affiliations
- Lenox Hill Hospital
Languages
English, Greek, Spanish
Experience
40+ years in practice