Gregory S. DiFelice, MD

Gregory S. DiFelice, MD Specialties: Sports Medicine, Surgery, Orthopedic Surgery, Trauma, Oral and Maxillofacial Surgery

Gregory S. DiFelice, MD
Specialties: Sports Medicine, Surgery, Orthopedic Surgery, Trauma, Oral and Maxillofacial Surgery
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520 East 70th Street
New York, NY 10021

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About Gregory S. DiFelice, MD

Dr. Gregory S. DiFelice is a fellowship-trained orthopedic surgeon specializing in sports traumatology and joint reconstruction surgery at Hospital for Special Surgery (HSS) and NewYork-Presbyterian Hospital. He also holds an appointment at Weill Cornell Medical College as an associate professor. Regional interests include the knee, shoulder and hip. He has particular interests in ligament reconstruction of the knee with extensive experience in multi-ligament reconstructions, cartilage and meniscal repair of the knee, arthroscopic shoulder surgery including labral and rotator cuff repairs, and arthroplasty of the knee, shoulder and hip. He frequently lectures on these interests both domestically and internationally.Dr. DiFelice was born and raised in northern New Jersey. He completed his undergraduate degree at Princeton University while simultaneously earning 3 Varsity letters playing football. He then continued on to New Jersey Medical School where he graduated as a member of the Alpha Omega Alpha Medical Honor Society. He did his residency in orthopedic surgery at HSS. He then completed a fellowship in sports medicine at Washington University in St. Louis in 2000. While there, he worked as an assistant to the team physicians for the St. Louis Rams, the St. Louis Blues and the St. Louis Cardinals.Since finishing his training, Dr. DiFelice has been the creator and Director for the Division of Sports Medicine and Joint Reconstruction Surgery for the North Bronx Healthcare Network, as well as an assistant professor of orthopedic surgery at the Albert Einstein College of Medicine. Prior to his recent return to HSS, he worked in conjunction with the Ranawat Orthopaedic Center at Lenox Hill Hospital.Among his many accolades, Dr. DiFelice is also a member of numerous state and national medical societies. His athletic accomplishments are also numerous and range from Division I collegiate football to the US Rugby Super League and international rugby competitions. As such, patients of his can take comfort in knowing that they are not only being treated by an esteemed physician, but a fellow athlete as well.

Hospital Affiliations

  • NewYork-Presbyterian / Weill Cornell Medical Center


  • Arthritis of Hip

  • Arthroscopic Knee Surgery

  • Arthroscopy

  • Cartilage Surgery

  • Disorder of Ligament

  • Meniscal Surgery

  • Rotator Cuff Injury

  • Rotator Cuff Surgery

  • Shoulder Arthroscopy


  • Fellowship: Barnes Jewish Hospital
  • Internship: Santa Barbara Cottage Hospital
  • Medical School: University of Medicine and Dentistry of New Jersey
  • Residency: Hospital for Special Surgery

Board Certifications

  • Orthopedic Sports Medicine
  • Orthopedic Surgery