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Kristjan Ragnarsson

  • PROFESSOR AND SYSTEM CHAIR Rehabilitation Medicine
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  • Physical Medicine & Rehabilitation

Clinical Focus


  • MD, University of Iceland

  • Internship, Various Depts.
    New Britain General Hospital

  • Residency, Physical Medicine & Rehabilitation
    New York University School of Medicine

  • Fellowship, Spinal Cord Injury
    New York University Medical Center


    Kristjan T. Ragnarsson, M.D.

    Dr. Ragnarsson graduated from the University of Iceland School of Medicine in 1969 and completed a residency in Physical Medicine and Rehabilitation and a clinical research fellowship in Spinal Cord Injury medicine at the New York University Medical Center, Rusk Institute of Rehabilitation Medicine in 1975. He was appointed to the faculty of the Department of Rehabilitation Medicine of NYU School of Medicine in 1976. He was involved with the New York SCI Model System of Care from its inception in 1973 and served as its Director from 1981 to 1986, when he was appointed Professor and Chairman of the Department of Rehabilitation Medicine at Mount Sinai School of Medicine, a position that he has held since.

    At Mount Sinai, Dr. Ragnarsson has been responsible for the growth of the Department of Rehabilitation Medicine's clinical and academic programs while serving Mount Sinai in various leadership roles, e.g., President of The Mount Sinai Hospital Medical Board (1995-1997), and Chair, Board of Governors of the Mount Sinai School of Medicine Faculty Practice Associates (1997-2003). His contributions to other organizations have included: President of the American Spinal Injury Association (1993-1995), Board Member, American Paraplegia Society (1997-1999), member of the US Department of Veterans' Affairs Scientific Merit Review Board (1984-2000), Chairman of the NIH Consensus Conference on "Rehabilitation of Persons with Traumatic Brain Injury" (1998), President, Association of Academic Physiatrists (2009-2011), Vice-President, Foundation for PM&R (2009-2011), Chairman, Marketing Task Force/Committee AAPMR (1995-2000).

    Dr. Ragnarsson has received numerous honors and awards for his work. He has consistently been named among "The Best Doctors in New York" and "America 's Top Doctors". His expertise includes evaluation and management of persons with physical disability due to SCI, spine disorders, brain injury, limb amputations and pain. He has been the projector director for the NIDRR funded Mount Sinai SCI Model System of Care since 1990.  He has served on the editorial boards of the Journal for Spinal Cord Medicine (1989-Present), Topics in Spinal Cord Medicine (1995-2005), Journal of Rehabilitation Research and Development and been a peer reviewer for 16 different professional journals.  He has conducted various research projects and been involved in the development and testing of high technology devices for persons with disability. He has published more than 160 articles and book chapters and made numerous presentations in his field of expertise locally, nationally and internationally.

    In The News

    Dr. Ragnarsson discusses treatments for spinal cord injuries in The Daily News feature The Daily Check Up. View the PDF.


  • 2009 -
    Best Doctors
    New York Magazine


Ragnarsson KT. Research Generated Knowledge Relating to Spinal Cord Injury, Traumatic Brain Injury and Burn Injury: 1999-2004. Am. J. Phys. Med. Rehab 2006; 85: 289-291.

Ragnarsson KT. Traumatic Brain Injury Research Since the 1998 NIH Consensus Conference: Accomplishments and Current Goals. J. Head Trauma Rehab 2006; 21: 379-387.

Ragnarsson KT. Functional Electrical Stimulation after Spinal Cord Injury: Current Use, Therapeutic Effects and Future Directions (Sir Ludwig Guttmann Lecture) . Spinal Cord 2008; 46: 255-274.

Industry Relationships

Physicians and scientists on the faculty of the Icahn School of Medicine at Mount Sinai often interact with pharmaceutical, device and biotechnology companies to improve patient care, develop new therapies and achieve scientific breakthroughs. In order to promote an ethical and transparent environment for conducting research, providing clinical care and teaching, Mount Sinai requires that salaried faculty inform the School of their relationships with such companies.

Below are financial relationships with industry reported by Dr. Ragnarsson during 2015 and/or 2016. Please note that this information may differ from information posted on corporate sites due to timing or classification differences.


  • DP Medical

Scientific Advisory Board:

  • Ă–ssur

Mount Sinai's faculty policies relating to faculty collaboration with industry are posted on our website. Patients may wish to ask their physician about the activities they perform for companies.

Insurance Information

Physicians who provide services at hospitals and facilities in the Mount Sinai Health System might not participate in the same health plans as those Mount Sinai hospitals and facilities (even if the physicians are employed or contracted by those hospitals or facilities).

Information regarding insurance participation and billing by this physician may be found on this page, and can also be obtained by contacting this provider directly. Because physicians insurance participation can change, the insurance information on this page may not always be up-to-date. Please contact this physician directly to obtain the most up-to-date insurance information.

Insurance and health plan networks that the various Mount Sinai Health System hospitals and facilities participate in can be found on the Mount Sinai Health System website.

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3 East 101st Street Floor 1st Room 110
New York, NY 10029

Tel: 212-824-8370
Fax: 212-348-5901
Faculty Practice Associates

Rehabilitation Medicine Associates, 6th Floor
5 East 98th Street, 6th Floor
New York, NY 10029

Tel: 212-824-8380
Fax: 212-348-5901
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Office Hours:
  • Tuesday 12:00pm - 5:00pm
  • Icelandic
Insurance Plans
  • BCBS Indemnity
  • Cigna - HMO
  • Empire BCBS Pathway X - Enhanced
  • Medicaid
  • Medicare
  • No Fault
  • Oxford (Medicare)
  • Oxford Health Plans
  • Oxford Liberty
  • Railroad Medicare
  • United Healthcare
  • United Healthcare Empire Plan
  • United Healthcare Medicare
  • Workers' Compensation
Payment Methods
  • Master Card
  • Visa
  • American Express
  • Personal Check
  • Cash