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Jo A. Hannafin

Jo A. Hannafin, MD, PhD, Medical Director, HSS Stamford Outpatient Center


HSS Orthopedics

About Me

Dr. Jo Hannafin is a board-certified orthopedic surgeon that specializes in sports medicine. She sees patients in NYC and at the HSS Stamford Outpatient Center.

Dr. Hannafin has been a lifelong athlete She’s a prior national team lightweight rower and a current Masters rower and cyclist. Her passion for sports naturally led her to her medical career. She’s worked with every level of athlete — from high school students to professional athletes and even Olympians. She currently serves as Team Physician for the New York Liberty (WNBA) and United States Rowing Team.

She has been recognized for excellence throughout her career. Her recent awards include:

  • Castle Connolly Physician of the Year Award for Clinical Excellence (2013)
  • Hospital for Special Surgery Lifetime Achievement Award (2014)
  • O’Donoghue Award for Excellence in Research from American Orthopaedic Society for Sports Medicine (2014)
  • Irish American Magazine, Healthcare and Life Sciences Top 50 (2014)

In addition to providing outstanding inpatient and outpatient care, Dr. Hannafin participates in the development of her field. Throughout her career, she’s been heavily involved in research. She’s a professor of orthopedic surgery at Weill Medical College of Cornell University. She has also published many scientific articles and book chapters. In 2007, Dr. Hannafin co-authored a book, Say Goodbye to Knee Pain.



Special Interests

Sports Medicine


  • Orthopedic Surgery
  • Orthopedic Sports Medicine


Medical School

Albert Einstein College of Medicine


Montefiore Medical Center


Hospital for Special Surgery

Board Certifications

  • Orthopaedic Sports Medicine - American Board of Orthopaedic Surgery
  • Orthopaedic Surgery - American Board of Orthopaedic Surgery


  • American Academy of Orthopaedic Surgeons
  • American Orthopaedic Society for Sports Medicine
  • AOA
  • Orthopaedic Research Society
  • Ruth Jackson Orthopaedic Society
  • Herodicus Society
  • American Medical Association
  • American Medical Women’s Association
  • New York State Medical Society
  • Women’s Medical Association of New York
  • United States Rowing Sports Medicine Society

Academic Appointment

Professor of Orthopaedic Surgery at Weill Medical College of Cornell University (2005 to present)

If you are in need of emergency care, call 911.

The majority of the physicians on the Stamford Hospital Medical Staff are not employees or agents of the Hospital. They are independent practitioners who have been granted the privilege of using the Hospital's facilities for the care and treatment of their patients. This includes, but is not limited to, emergency department physicians, anesthesiologists, radiologists, surgeons, cardiologists, obstetricians, pathologists and other consultants who may treat patients.

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