Foot Ankle Surgery, New York

Welcome to my Website!

Dr. John G Kennedy, Foot Ankle Orthopaedic SurgeonLife is Movement – Movement is Life! While this is true for everyone, it is especially true for athletes. My aim is to provide the highest quality patient care, improve mobility, enhance the quality of life for all my patients, and to advance the science of orthopedic surgery through research and education. I specialize in sports related issues and injuries of the lower extremities. Our approach is ‘Integrative’, drawing upon multiple medical and holistic disciplines, providing you with a comprehensive solution and state of the art options for your treatment and recovery.

My practice is based in New York's Hospital for Special Surgery  (www.hss.edu).

The Hospital for Special Surgery is the oldest orthopedic hospital in the United States, presently ranked as the #1 Orthopedic Hospital in the U.S.A.

Our interactive multimedia option is highly informative and designed to help you understand very specifically – the exact nature of your injury and situation. Please bear in mind that the information on our website is provided to support and reinforce the advice you receive from your own doctors. It is not intended to replace discussions with your doctor. That being said, I hope you find my website both informative and helpful.

Should you have any further questions, please do not hesitate to contact me ...

Click here to find out more about John G Kennedy MD FRCS.


Current Events

May 11, 2015 - Dr. Kennedy and his team have the pleasure of working with visiting researchers and surgeons who routinely visit from all over the world to learn from Dr. Kennedy and his colleagues at the Hospital for Special Surgery. Over the past several years alone, scholars have visited from South America, Canada, Italy, The Netherlands, Egypt, Japan, China and Australia.

The picture shows recent researchers who are working with Dr.Kennedy, including Pim van Dijk from the Academic Medical Center in Amsterdam (left), Dr. Laura Ramponi from the Rizzoli Institute in Bologna, Italy (center).  Ms. Van Dijk spent 2 months on Dr. Kennedy's team at Hospital for Special Surgery after being awarded the Pau Golano Research Fellowship from the ESSKA Ankle and Foot Associates, while Dr. Ramponi visited for 3 months as part of a surgical observership and research fellowship.  Also included in the picture is Ms. Arianna Gianakos (right), who as a medical student has spent the past year working with both Dr. Kennedy and Dr. Joseph Lane at Hospital for Special Surgery.  All in all, these outstanding individuals among many others have performed important research studies, the results of which will be published in peer-reviewed journals in the coming months.  Congratulations!

Among them, the below picture shows recent researchers who are working with Dr.Kennedy, including Pim van Dijk from the Academic Medical Center in Amsterdam (left), Dr. Laura Ramponi from the Rizzoli Institute in Bologna, Italy (center).  Ms. Van Dijk spent 2 months on Dr. Kennedy's team at Hospital for Special Surgery after being awarded the Pau Golano Research Fellowship from the ESSKA Ankle and Foot Associates, while Dr. Ramponi visited for 3 months as part of a surgical observership and research fellowship.  Also included in the picture is Ms. Arianna Gianakos (right), who as a medical student has spent the past year working with both Dr. Kennedy and Dr. Joseph Lane at Hospital for Special Surgery.  All in all, these outstanding individuals among many others have performed important research studies, the results of which will be published in peer-reviewed journals in the coming months.  Congratulations!


May 10, 2015 - Dr. Kennedy was an invited faculty member at the 12th World Congress of the International Cartilage Repair Society on May 8-11. Dr. Kennedy organized and co-moderated the foot and ankle session, during which he gave a lecture titled "Good clinical evidence for biologics in the treatment of osteochondral lesions of the talus." This session was brought together leaders in the field in a debate style format to discuss cartilage treatment of the foot and ankle. Also in the same meeting members of Dr. Kennedy's team including Dr. Ethan Fraser from Sydney, Australia and Mr. Andrew Ross of the Touro College of Medicine, presented their research in podium presentation sessions.


May 5, 2015 - As an alumnus of the Royal College of Surgeons in Ireland, Dr. Kennedy recently attended RCSI's inaugural North American alumni engagement event, which took place in the Irish Consul General's Residence in New York on the 5th of May.

Image (left to right): Peter Fogarty, Professor Barbara Murphy, Dr. David Crooks and Dr. John Kennedy (class of 1989)


Apr 11-13, 2015 - Dr. Kennedy was an invited faculty member of the Football Medicine Strategies for Player Care in the heart of downtown London on April 11-12, 2015. This meeting is organized annually by the Isokinetic Medical Group in collaboration with FIFA as a discussion based meeting specific for soccer related injuries including cartilage injury, ankle sprains, muscle sprains, etc., where top world leaders attend to participate. Dr. Kennedy lectured on "Return to sport post ankle injuries - Osteochondral autograft transfer system technique."

Dr. Kennedy was an invited faculty member of the Football Medicine Strategies for Player Care in the heart of downtown London on April 11-12, 2015. This meeting is organized annually by the Isokinetic Medical Group in collaboration with FIFA as a discussion based meeting specific for soccer related injuries including cartilage injury, ankle sprains, muscle sprains, etc., where top world leaders attend to participate. Dr. Kennedy lectured on "Return to sport post ankle injuries - Osteochondral autograft transfer system technique."   Dr. Kennedy was an invited faculty member of the Football Medicine Strategies for Player Care in the heart of downtown London on April 11-12, 2015. This meeting is organized annually by the Isokinetic Medical Group in collaboration with FIFA as a discussion based meeting specific for soccer related injuries including cartilage injury, ankle sprains, muscle sprains, etc., where top world leaders attend to participate. Dr. Kennedy lectured on "Return to sport post ankle injuries - Osteochondral autograft transfer system technique."Dr. Kennedy was an invited faculty member of the Football Medicine Strategies for Player Care in the heart of downtown London on April 11-12, 2015. This meeting is organized annually by the Isokinetic Medical Group in collaboration with FIFA as a discussion based meeting specific for soccer related injuries including cartilage injury, ankle sprains, muscle sprains, etc., where top world leaders attend to participate. Dr. Kennedy lectured on "Return to sport post ankle injuries - Osteochondral autograft transfer system technique."


March 24, 2015 - Dr. Kennedy will be participating in the the American Academy of Orthoapedic Surgeons (AAOS) Annual Meeting in Las Vegas, NV on March 24-27, 2015.

Dr. Kennedy will participate in an instructional course lecture titled "Management of Complex Foot and Ankle Injuries in the Athlete," which will feature in depth discussion from some of the most renowned orthopaedic foot and ankle surgeons in the USA, including Dr. James Nunley (Duke), Dr. Annunziato Amendola (Iowa), Dr. Robert Anderson (North Carolina) and Dr. John Kennedy. The focus of the course will be on treating injuries in the athlete with a description of the unique mechanism, surgical management and rehabilitation of various injuries and conditions, including stress fractures, ligament injuries, Achilles and peroneal tendon disorders, syndemosis injuries and cartilage and osteochondral injuries of the foot and ankle.

The AAOS is the largest and most prestigious annual meeting in the USA.


March 10, 2014 - Rapping About IRAP And BMC

Recently I attended a meeting entitled “Baltimore Fellows Foot & Ankle Meeting” held at Vail, CO in the middle of February. I previously described some of the interesting presentations, but would like to follow up on comments made by Dr. John Kennedy (Hospital for Special Surgery, NYC, NY). Specifically, he spoke about results from a study he was participating in at HSS in which the levels of IRAP (interleukin-1 receptor antagonist protein) were surprisingly high in bone marrow samples analyzed in the study. IRAP, as its name implies, is a protein that binds to the IL-1 receptor. When IRAP binds to its receptor it is able to block the binding of IL-1 (in the ß form, mostly), which is a molecule that has been identified as a major contributor to a pro-inflammatory environment (see this link for more information). Due to its ability to modulate IL-1ß activity, and the role IL-1ß plays in osteoarthritis progression, IRAP has been evaluated as a possible therapeutic agent for treating OA.

Read more


October 31, 2014 - Dr Kennedy and his research group recently presented their most recent research at the Eastern Orthopedic Association (EOA), which was held at Amelia Island, Florida.

We would like to thank the EOA for allowing our group to present out work, which represents advances in foot and ankle surgical techniques and the use of biologic adjuncts such as platelet-rich plasma and stem cells in orthopedic pathologies.

Pictured are Dr Kennedy's Research Fellow's: Lorraine Boakye
Ethan Fraser
Arianna Gianakos
John Pinski
Youichi Yasui

Dr Kennedy and his research group recently presented their most recent research at the Eastern Orthopedic Association (EOA), which was held at Amelia Island, Florida. Dr Kennedy and his research group recently presented their most recent research at the Eastern Orthopedic Association (EOA), which was held at Amelia Island, Florida.
Dr Kennedy and his research group recently presented their most recent research at the Eastern Orthopedic Association (EOA), which was held at Amelia Island, Florida. Dr Kennedy and his research group recently presented their most recent research at the Eastern Orthopedic Association (EOA), which was held at Amelia Island, Florida.
Dr Kennedy and his research group recently presented their most recent research at the Eastern Orthopedic Association (EOA), which was held at Amelia Island, Florida.  


October 27, 2014 - Dr Kennedy was recently asked to be involved in a media event discussing the cutting edge research in cartilage repair in orthopaedic surgery. The session was held by Cornell University in association with Prof Lisa Fortier surgeon at Cornell College of Veterinary Medicine and Ruffian Equine Specialists. See below for a link to the session:

Dr Kennedy and Prof Fortier discuss how new surgical procedures benefiting animals are revolutionizing the ways surgeons repair humans.


October 14, 2014 - Dr Kennedy would like to congratulate one of his patients who completed the Montauk Ironman, crossing the line in an impressive 7 hours!

Dr Kennedy is extremely pleased that he has recovered so well from his surgery earlier this year and is back competing at such an impressive level.

Dr Kennedy would like to congratulate one of his patients who completed the Montauk Ironman, crossing the line in an impressive 7 hours!   Dr Kennedy would like to congratulate one of his patients who completed the Montauk Ironman, crossing the line in an impressive 7 hours!Dr Kennedy would like to congratulate one of his patients who completed the Montauk Ironman, crossing the line in an impressive 7 hours!


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Sports Medicine
Repair of Osteochondral  Defects
Posterior Tibial Tendon  Reconstruction
Toe Disorders
Ankle Instability
Foot & Ankle Tumors
Bunion Surgery
Arthroscopic Surgery
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